<div> <div> <p> AN INTERACTIVE REFERENCE TABLE</p> <p>This Interactive Periodic Table of the Elements is found in <a style="font-size: 1em; line-height: 1.6em;" href="/courses/MITx/3.091x/2013_Spring/periodic_table/"> 3.091x: Introduction to Solid State Chemistry</a>. The table reveals the detailed properties of each element as you mouse over them. By using digital tools such as this, the learning process is easier and more fun than by traditional learning! </p> </div> <div id="periodic-table-wrapper"> <link href="/static/periodic-table.css" type="text/css" rel="stylesheet" /> <link href="/static/periodic-table-colors.css" type="text/css" rel="stylesheet" /> <table id="periodic-table" class="atomic_weight"> <tr class="header"> <td class="cell"><dl class="filler"/></td> <td class="filler" rowspan="2"/> <td class="showcase" colspan="4" rowspan="4"> <dl> <dd class="value" data-id="atomic_number"> 1 </dd> <dd class="value" data-id="symbol"> H </dd> <dd class="value" data-id="name"> Hydrogen </dd> <dd class="property"> <span class="value" data-id="atomic_weight"> 1.00794 </span> <span class="units"> g/mol </span> </dd> </dl> </td> <td class="properties" colspan="6" rowspan="4"> <dl> <dt class="name active" data-id="atomic_weight" data-name="Atomic Weight" data-units="g/mol" data-min="" data-max=""> Atomic Weight </dt> <dd> <span class="value" data-id="atomic_weight"> 1.00794 </span> <span class="units"> g/mol </span> </dd> <dt class="name " data-id="atomic_volume" data-name="Atomic Volume" data-units="cm³/mol" data-min="" data-max=""> Atomic Volume </dt> <dd> <span class="value" data-id="atomic_volume"> 14.1 </span> <span class="units"> cm³/mol </span> </dd> <dt class="name " data-id="ionic_radius" data-name="Ionic Radius" data-units="pm" data-min="" data-max=""> Ionic Radius </dt> <dd> <span class="value" data-id="ionic_radius"> - </span> <span class="units"> pm </span> </dd> <dt class="name " data-id="density" data-name="Density" data-units="g/cm³" data-min="" data-max=""> Density </dt> <dd> <span class="value" data-id="density"> 0.0899 </span> <span class="units"> g/cm³ </span> </dd> <dt class="name " data-id="melting_point" data-name="Melting Point" data-units="C" data-min="" data-max=""> Melting Point </dt> <dd> <span class="value" data-id="melting_point"> -259.34 </span> <span class="units"> C </span> </dd> <dt class="name " data-id="boiling_point" data-name="Boiling Point" data-units="C" data-min="" data-max=""> Boiling Point </dt> <dd> <span class="value" data-id="boiling_point"> -252.87 </span> <span class="units"> C </span> </dd> <dt class="name " data-id="polarizability" data-name="Polarizability" data-units="" data-min="" data-max=""> Polarizability </dt> <dd> <span class="value" data-id="polarizability"> 0.667 </span> <span class="units"> </span> </dd> <dt class="name " data-id="electronegativity" data-name="Electronegativity" data-units="" data-min="" data-max=""> Electronegativity </dt> <dd> <span class="value" data-id="electronegativity"> 2.2 </span> <span class="units"> </span> </dd> <dt class="name " data-id="first_ionization_potential" data-name="First Ionization Potential" data-units="eV" data-min="" data-max=""> First Ionization Potential </dt> <dd> <span class="value" data-id="first_ionization_potential"> 13.598 </span> <span class="units"> eV </span> </dd> <dt class="name " data-id="crystal_structure" data-name="Crystal Structure" data-units="" data-min="" data-max=""> Crystal Structure </dt> <dd> <span class="value" data-id="crystal_structure"> Hex </span> <span class="units"> </span> </dd> <dt class="name " data-id="oxidation_states" data-name="Oxidation States" data-units="" data-min="" data-max=""> Oxidation States </dt> <dd> <span class="value" data-id="oxidation_states"> 1 </span> <span class="units"> </span> </dd> <dt class="name " data-id="electronic_configuration" data-name="Electronic Configuration" data-units="" data-min="" data-max=""> Electronic Configuration </dt> <dd> <span class="value" data-id="electronic_configuration"> 1s¹ </span> <span class="units"> </span> </dd> <dt class="name " data-id="enthalpy_of_fusion" data-name="Enthalpy of Fusion" data-units="kJ/mol" data-min="" data-max=""> Enthalpy of Fusion </dt> <dd> <span class="value" data-id="enthalpy_of_fusion"> 0.0586 </span> <span class="units"> kJ/mol </span> </dd> <dt class="name " data-id="enthalpy_of_vaporization" data-name="Enthalpy of Vaporization" data-units="kJ/mol" data-min="" data-max=""> Enthalpy of Vaporization </dt> <dd> <span class="value" data-id="enthalpy_of_vaporization"> 0.449 </span> <span class="units"> kJ/mol </span> </dd> <dt class="name " data-id="covalent_radius" data-name="Covalent Radius" data-units="Å" data-min="" data-max=""> Covalent Radius </dt> <dd> <span class="value" data-id="covalent_radius"> 0.32 </span> <span class="units"> Å </span> </dd> <dt class="name " data-id="thermal_conductivity" data-name="Thermal Conductivity" data-units="W⋅cm⁻¹⋅K⁻¹" data-min="" data-max=""> Thermal Conductivity </dt> <dd> <span class="value" data-id="thermal_conductivity"> 0.001815 </span> <span class="units"> W⋅cm⁻¹⋅K⁻¹ </span> </dd> <dt class="name " data-id="specific_heat_capacity" data-name="Specific Heat Capacity" data-units="J⋅g⁻¹⋅K⁻¹" data-min="" data-max=""> Specific Heat Capacity </dt> <dd> <span class="value" data-id="specific_heat_capacity"> 14.304 </span> <span class="units"> J⋅g⁻¹⋅K⁻¹ </span> </dd> <dt class="name " data-id="enthalpy_of_atomization" data-name="Enthalpy of Atomization" data-units="kJ/mol" data-min="" data-max=""> Enthalpy of Atomization </dt> <dd> <span class="value" data-id="enthalpy_of_atomization"> 217.57 </span> <span class="units"> kJ/mol </span> </dd> </dl> </td> <td class="filler" colspan="5" rowspan="2"/> <td class="cell"><dl class="filler"/></td> </tr> <tr class="row-1"> <td class="cell element"> <dl class="row-1 column-1" itemscope itemid="H"> <dd itemprop="name">Hydrogen</dd> <dd itemprop="symbol">H</dd> <dd itemprop="atomic_number">1</dd> <dd class="active" itemprop="atomic_weight">1.00794</dd> <dd itemprop="atomic_volume">14.1</dd> <dd itemprop="density">0.0899</dd> <dd itemprop="melting_point">-259.34</dd> <dd itemprop="boiling_point">-252.87</dd> <dd itemprop="first_ionization_potential">13.598</dd> <dd itemprop="electronegativity">2.2</dd> <dd itemprop="electronic_configuration">1s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">0.667</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">0.0586</dd> <dd itemprop="enthalpy_of_vaporization">0.449</dd> <dd itemprop="covalent_radius">0.32</dd> <dd itemprop="thermal_conductivity">0.001815</dd> <dd itemprop="specific_heat_capacity">14.304</dd> <dd itemprop="enthalpy_of_atomization">217.57</dd> <dd itemprop="row">1</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-1 column-18" itemscope itemid="He"> <dd itemprop="name">Helium</dd> <dd itemprop="symbol">He</dd> <dd itemprop="atomic_number">2</dd> <dd class="active" itemprop="atomic_weight">4.002602</dd> <dd itemprop="atomic_volume">31.8</dd> <dd itemprop="density">0.1785</dd> <dd itemprop="melting_point">-272.2</dd> <dd itemprop="boiling_point">-268.93</dd> <dd itemprop="first_ionization_potential">24.587</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">1s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">0.205</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">0.0829</dd> <dd itemprop="covalent_radius">0.31</dd> <dd itemprop="thermal_conductivity">0.00152</dd> <dd itemprop="specific_heat_capacity">5.193</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">1</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-2"> <td class="cell element"> <dl class="row-2 column-1" itemscope itemid="Li"> <dd itemprop="name">Lithium</dd> <dd itemprop="symbol">Li</dd> <dd itemprop="atomic_number">3</dd> <dd class="active" itemprop="atomic_weight">6.941</dd> <dd itemprop="atomic_volume">13</dd> <dd itemprop="density">0.534</dd> <dd itemprop="melting_point">180.5</dd> <dd itemprop="boiling_point">1342</dd> <dd itemprop="first_ionization_potential">5.392</dd> <dd itemprop="electronegativity">0.98</dd> <dd itemprop="electronic_configuration">[He]2s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">24.3</dd> <dd itemprop="ionic_radius">76</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">3.00</dd> <dd itemprop="enthalpy_of_vaporization">134.68</dd> <dd itemprop="covalent_radius">1.23</dd> <dd itemprop="thermal_conductivity">0.848</dd> <dd itemprop="specific_heat_capacity">3.582</dd> <dd itemprop="enthalpy_of_atomization">160.67</dd> <dd itemprop="row">2</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-2" itemscope itemid="Be"> <dd itemprop="name">Beryllium</dd> <dd itemprop="symbol">Be</dd> <dd itemprop="atomic_number">4</dd> <dd class="active" itemprop="atomic_weight">9.012182</dd> <dd itemprop="atomic_volume">4.88</dd> <dd itemprop="density">1.8477</dd> <dd itemprop="melting_point">1287</dd> <dd itemprop="boiling_point">2471</dd> <dd itemprop="first_ionization_potential">9.322</dd> <dd itemprop="electronegativity">1.57</dd> <dd itemprop="electronic_configuration">[He]2s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">5.6</dd> <dd itemprop="ionic_radius">27</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">11.72</dd> <dd itemprop="enthalpy_of_vaporization">294.66</dd> <dd itemprop="covalent_radius">0.89</dd> <dd itemprop="thermal_conductivity">2.01</dd> <dd itemprop="specific_heat_capacity">1.825</dd> <dd itemprop="enthalpy_of_atomization">326.35</dd> <dd itemprop="row">2</dd> <dd itemprop="column">2</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-13" itemscope itemid="B"> <dd itemprop="name">Boron</dd> <dd itemprop="symbol">B</dd> <dd itemprop="atomic_number">5</dd> <dd class="active" itemprop="atomic_weight">10.811</dd> <dd itemprop="atomic_volume">4.68</dd> <dd itemprop="density">2.31</dd> <dd itemprop="melting_point">2075</dd> <dd itemprop="boiling_point">4000</dd> <dd itemprop="first_ionization_potential">8.298</dd> <dd itemprop="electronegativity">2.04</dd> <dd itemprop="electronic_configuration">[He]2s²p¹</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">3.03</dd> <dd itemprop="ionic_radius">11</dd> <dd itemprop="crystal_structure">Rhom</dd> <dd itemprop="enthalpy_of_fusion">22.18</dd> <dd itemprop="enthalpy_of_vaporization">480</dd> <dd itemprop="covalent_radius">0.82</dd> <dd itemprop="thermal_conductivity">0.274</dd> <dd itemprop="specific_heat_capacity">1.026</dd> <dd itemprop="enthalpy_of_atomization">573.21</dd> <dd itemprop="row">2</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-14" itemscope itemid="C"> <dd itemprop="name">Carbon</dd> <dd itemprop="symbol">C</dd> <dd itemprop="atomic_number">6</dd> <dd class="active" itemprop="atomic_weight">12.011</dd> <dd itemprop="atomic_volume">5.34</dd> <dd itemprop="density">2.25</dd> <dd itemprop="melting_point">4492</dd> <dd itemprop="boiling_point">3825</dd> <dd itemprop="first_ionization_potential">11.26</dd> <dd itemprop="electronegativity">2.55</dd> <dd itemprop="electronic_configuration">[He]2s²p²</dd> <dd itemprop="oxidation_states">2,+/-4</dd> <dd itemprop="polarizability">1.76</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">104.60</dd> <dd itemprop="enthalpy_of_vaporization">716.72</dd> <dd itemprop="covalent_radius">0.77</dd> <dd itemprop="thermal_conductivity">1.2-1.5</dd> <dd itemprop="specific_heat_capacity">0.709</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">2</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-15" itemscope itemid="N"> <dd itemprop="name">Nitrogen</dd> <dd itemprop="symbol">N</dd> <dd itemprop="atomic_number">7</dd> <dd class="active" itemprop="atomic_weight">14.00674</dd> <dd itemprop="atomic_volume">17.3</dd> <dd itemprop="density">1.25046</dd> <dd itemprop="melting_point">-210</dd> <dd itemprop="boiling_point">-195.79</dd> <dd itemprop="first_ionization_potential">14.534</dd> <dd itemprop="electronegativity">3.04</dd> <dd itemprop="electronic_configuration">[He]2s²p³</dd> <dd itemprop="oxidation_states">2,+/-3,4,5</dd> <dd itemprop="polarizability">1.1</dd> <dd itemprop="ionic_radius">146</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">0.3605</dd> <dd itemprop="enthalpy_of_vaporization">2.79</dd> <dd itemprop="covalent_radius">0.75</dd> <dd itemprop="thermal_conductivity">0.0002598</dd> <dd itemprop="specific_heat_capacity">1.040</dd> <dd itemprop="enthalpy_of_atomization">472.79</dd> <dd itemprop="row">2</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-16" itemscope itemid="O"> <dd itemprop="name">Oxygen</dd> <dd itemprop="symbol">O</dd> <dd itemprop="atomic_number">8</dd> <dd class="active" itemprop="atomic_weight">15.9994</dd> <dd itemprop="atomic_volume">14</dd> <dd itemprop="density">1.429</dd> <dd itemprop="melting_point">-218.79</dd> <dd itemprop="boiling_point">-182.95</dd> <dd itemprop="first_ionization_potential">13.618</dd> <dd itemprop="electronegativity">3.44</dd> <dd itemprop="electronic_configuration">[He]2s²p⁴</dd> <dd itemprop="oxidation_states">-2</dd> <dd itemprop="polarizability">0.802</dd> <dd itemprop="ionic_radius">138</dd> <dd itemprop="crystal_structure">SC</dd> <dd itemprop="enthalpy_of_fusion">0.2224</dd> <dd itemprop="enthalpy_of_vaporization">3.41</dd> <dd itemprop="covalent_radius">0.73</dd> <dd itemprop="thermal_conductivity">0.0002575</dd> <dd itemprop="specific_heat_capacity">0.918</dd> <dd itemprop="enthalpy_of_atomization">249.37</dd> <dd itemprop="row">2</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-17" itemscope itemid="F"> <dd itemprop="name">Fluorine</dd> <dd itemprop="symbol">F</dd> <dd itemprop="atomic_number">9</dd> <dd class="active" itemprop="atomic_weight">18.9984032</dd> <dd itemprop="atomic_volume">17.1</dd> <dd itemprop="density">1.69</dd> <dd itemprop="melting_point">-219.62</dd> <dd itemprop="boiling_point">-188.12</dd> <dd itemprop="first_ionization_potential">17.422</dd> <dd itemprop="electronegativity">3.98</dd> <dd itemprop="electronic_configuration">[He]2s²p⁵</dd> <dd itemprop="oxidation_states">-1</dd> <dd itemprop="polarizability">0.557</dd> <dd itemprop="ionic_radius">131</dd> <dd itemprop="crystal_structure">SC</dd> <dd itemprop="enthalpy_of_fusion">0.255</dd> <dd itemprop="enthalpy_of_vaporization">3.31</dd> <dd itemprop="covalent_radius">0.72</dd> <dd itemprop="thermal_conductivity">0.000279</dd> <dd itemprop="specific_heat_capacity">0.824</dd> <dd itemprop="enthalpy_of_atomization">79.08</dd> <dd itemprop="row">2</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-2 column-18" itemscope itemid="Ne"> <dd itemprop="name">Neon</dd> <dd itemprop="symbol">Ne</dd> <dd itemprop="atomic_number">10</dd> <dd class="active" itemprop="atomic_weight">20.1797</dd> <dd itemprop="atomic_volume">16.8</dd> <dd itemprop="density">0.9002</dd> <dd itemprop="melting_point">-248.59</dd> <dd itemprop="boiling_point">-246.08</dd> <dd itemprop="first_ionization_potential">21.564</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[He]2s²p⁶</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">0.396</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">0.3347</dd> <dd itemprop="enthalpy_of_vaporization">1.71</dd> <dd itemprop="covalent_radius">0.71</dd> <dd itemprop="thermal_conductivity">0.000493</dd> <dd itemprop="specific_heat_capacity">1.03</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">2</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-3"> <td class="cell element"> <dl class="row-3 column-1" itemscope itemid="Na"> <dd itemprop="name">Sodium</dd> <dd itemprop="symbol">Na</dd> <dd itemprop="atomic_number">11</dd> <dd class="active" itemprop="atomic_weight">22.989768</dd> <dd itemprop="atomic_volume">23.7</dd> <dd itemprop="density">0.97</dd> <dd itemprop="melting_point">97.72</dd> <dd itemprop="boiling_point">883</dd> <dd itemprop="first_ionization_potential">5.139</dd> <dd itemprop="electronegativity">0.93</dd> <dd itemprop="electronic_configuration">[Ne]3s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">23.6</dd> <dd itemprop="ionic_radius">102</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">2.594</dd> <dd itemprop="enthalpy_of_vaporization">89.04</dd> <dd itemprop="covalent_radius">1.54</dd> <dd itemprop="thermal_conductivity">1.42</dd> <dd itemprop="specific_heat_capacity">1.228</dd> <dd itemprop="enthalpy_of_atomization">108.37</dd> <dd itemprop="row">3</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-2" itemscope itemid="Mg"> <dd itemprop="name">Magnesium</dd> <dd itemprop="symbol">Mg</dd> <dd itemprop="atomic_number">12</dd> <dd class="active" itemprop="atomic_weight">24.305</dd> <dd itemprop="atomic_volume">13.97</dd> <dd itemprop="density">1.74</dd> <dd itemprop="melting_point">650</dd> <dd itemprop="boiling_point">1090</dd> <dd itemprop="first_ionization_potential">7.646</dd> <dd itemprop="electronegativity">1.31</dd> <dd itemprop="electronic_configuration">[Ne]3s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">10.6</dd> <dd itemprop="ionic_radius">72</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">11.72</dd> <dd itemprop="enthalpy_of_vaporization">294.66</dd> <dd itemprop="covalent_radius">1.36</dd> <dd itemprop="thermal_conductivity">1.56</dd> <dd itemprop="specific_heat_capacity">1.023</dd> <dd itemprop="enthalpy_of_atomization">148.53</dd> <dd itemprop="row">3</dd> <dd itemprop="column">2</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-13" itemscope itemid="Al"> <dd itemprop="name">Aluminum</dd> <dd itemprop="symbol">Al</dd> <dd itemprop="atomic_number">13</dd> <dd class="active" itemprop="atomic_weight">26.981539</dd> <dd itemprop="atomic_volume">9.99</dd> <dd itemprop="density">2.702</dd> <dd itemprop="melting_point">660.32</dd> <dd itemprop="boiling_point">2519</dd> <dd itemprop="first_ionization_potential">5.986</dd> <dd itemprop="electronegativity">1.61</dd> <dd itemprop="electronic_configuration">[Ne]3s²p¹</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">6.8</dd> <dd itemprop="ionic_radius">54</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">10.669</dd> <dd itemprop="enthalpy_of_vaporization">293.72</dd> <dd itemprop="covalent_radius">1.18</dd> <dd itemprop="thermal_conductivity">2.37</dd> <dd itemprop="specific_heat_capacity">0.897</dd> <dd itemprop="enthalpy_of_atomization">322.17</dd> <dd itemprop="row">3</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-14" itemscope itemid="Si"> <dd itemprop="name">Silicon</dd> <dd itemprop="symbol">Si</dd> <dd itemprop="atomic_number">14</dd> <dd class="active" itemprop="atomic_weight">28.0855</dd> <dd itemprop="atomic_volume">12.05</dd> <dd itemprop="density">2.33</dd> <dd itemprop="melting_point">1414</dd> <dd itemprop="boiling_point">3265</dd> <dd itemprop="first_ionization_potential">8.151</dd> <dd itemprop="electronegativity">1.9</dd> <dd itemprop="electronic_configuration">[Ne]3s²p²</dd> <dd itemprop="oxidation_states">4</dd> <dd itemprop="polarizability">5.38</dd> <dd itemprop="ionic_radius">40</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">46.44</dd> <dd itemprop="enthalpy_of_vaporization">439</dd> <dd itemprop="covalent_radius">1.11</dd> <dd itemprop="thermal_conductivity">1.49</dd> <dd itemprop="specific_heat_capacity">0.705</dd> <dd itemprop="enthalpy_of_atomization">439.32</dd> <dd itemprop="row">3</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-15" itemscope itemid="P"> <dd itemprop="name">Phosphorus</dd> <dd itemprop="symbol">P</dd> <dd itemprop="atomic_number">15</dd> <dd class="active" itemprop="atomic_weight">30.973762</dd> <dd itemprop="atomic_volume">17</dd> <dd itemprop="density">1.82</dd> <dd itemprop="melting_point">44.15</dd> <dd itemprop="boiling_point">277</dd> <dd itemprop="first_ionization_potential">10.486</dd> <dd itemprop="electronegativity">2.19</dd> <dd itemprop="electronic_configuration">[Ne]3s²p³</dd> <dd itemprop="oxidation_states">+/-3,4,5</dd> <dd itemprop="polarizability">3.63</dd> <dd itemprop="ionic_radius">17</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">0.628</dd> <dd itemprop="enthalpy_of_vaporization">12.43</dd> <dd itemprop="covalent_radius">1.06</dd> <dd itemprop="thermal_conductivity">0.00236</dd> <dd itemprop="specific_heat_capacity">0.769</dd> <dd itemprop="enthalpy_of_atomization">314.64</dd> <dd itemprop="row">3</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-16" itemscope itemid="S"> <dd itemprop="name">Sulfur</dd> <dd itemprop="symbol">S</dd> <dd itemprop="atomic_number">16</dd> <dd class="active" itemprop="atomic_weight">32.066</dd> <dd itemprop="atomic_volume">15.5</dd> <dd itemprop="density">2.07</dd> <dd itemprop="melting_point">115.21</dd> <dd itemprop="boiling_point">444.6</dd> <dd itemprop="first_ionization_potential">10.36</dd> <dd itemprop="electronegativity">2.58</dd> <dd itemprop="electronic_configuration">[Ne]3s²p⁴</dd> <dd itemprop="oxidation_states">+/-2,4,6</dd> <dd itemprop="polarizability">2.9</dd> <dd itemprop="ionic_radius">184</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">1.72</dd> <dd itemprop="enthalpy_of_vaporization">9.62</dd> <dd itemprop="covalent_radius">1.02</dd> <dd itemprop="thermal_conductivity">0.00270</dd> <dd itemprop="specific_heat_capacity">0.71</dd> <dd itemprop="enthalpy_of_atomization">278.65</dd> <dd itemprop="row">3</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-17" itemscope itemid="Cl"> <dd itemprop="name">Chlorine</dd> <dd itemprop="symbol">Cl</dd> <dd itemprop="atomic_number">17</dd> <dd class="active" itemprop="atomic_weight">35.4527</dd> <dd itemprop="atomic_volume">18.7</dd> <dd itemprop="density">3.214</dd> <dd itemprop="melting_point">-101.5</dd> <dd itemprop="boiling_point">-34.04</dd> <dd itemprop="first_ionization_potential">12.967</dd> <dd itemprop="electronegativity">3.16</dd> <dd itemprop="electronic_configuration">[Ne]3s²p⁵</dd> <dd itemprop="oxidation_states">+/-1,3,5,7</dd> <dd itemprop="polarizability">2.18</dd> <dd itemprop="ionic_radius">181</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">3.38</dd> <dd itemprop="enthalpy_of_vaporization">10.21</dd> <dd itemprop="covalent_radius">0.99</dd> <dd itemprop="thermal_conductivity">0.000089</dd> <dd itemprop="specific_heat_capacity">0.479</dd> <dd itemprop="enthalpy_of_atomization">121.75</dd> <dd itemprop="row">3</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-3 column-18" itemscope itemid="Ar"> <dd itemprop="name">Argon</dd> <dd itemprop="symbol">Ar</dd> <dd itemprop="atomic_number">18</dd> <dd class="active" itemprop="atomic_weight">39.948</dd> <dd itemprop="atomic_volume">24.2</dd> <dd itemprop="density">1.784</dd> <dd itemprop="melting_point">-189.35</dd> <dd itemprop="boiling_point">-185.85</dd> <dd itemprop="first_ionization_potential">15.759</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Ne]3s²p⁶</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">1.64</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">1.176</dd> <dd itemprop="enthalpy_of_vaporization">6.43</dd> <dd itemprop="covalent_radius">0.98</dd> <dd itemprop="thermal_conductivity">0.0001772</dd> <dd itemprop="specific_heat_capacity">0.52</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">3</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-4"> <td class="cell element"> <dl class="row-4 column-1" itemscope itemid="K"> <dd itemprop="name">Potassium</dd> <dd itemprop="symbol">K</dd> <dd itemprop="atomic_number">19</dd> <dd class="active" itemprop="atomic_weight">39.0983</dd> <dd itemprop="atomic_volume">45.46</dd> <dd itemprop="density">0.86</dd> <dd itemprop="melting_point">63.38</dd> <dd itemprop="boiling_point">759</dd> <dd itemprop="first_ionization_potential">4.341</dd> <dd itemprop="electronegativity">0.82</dd> <dd itemprop="electronic_configuration">[Ar]4s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">43.4</dd> <dd itemprop="ionic_radius">138</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">2.32</dd> <dd itemprop="enthalpy_of_vaporization">77.5</dd> <dd itemprop="covalent_radius">2.03</dd> <dd itemprop="thermal_conductivity">1.025</dd> <dd itemprop="specific_heat_capacity">0.757</dd> <dd itemprop="enthalpy_of_atomization">89.54</dd> <dd itemprop="row">4</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-2" itemscope itemid="Ca"> <dd itemprop="name">Calcium</dd> <dd itemprop="symbol">Ca</dd> <dd itemprop="atomic_number">20</dd> <dd class="active" itemprop="atomic_weight">40.078</dd> <dd itemprop="atomic_volume">26.02</dd> <dd itemprop="density">1.54</dd> <dd itemprop="melting_point">842</dd> <dd itemprop="boiling_point">1484</dd> <dd itemprop="first_ionization_potential">6.113</dd> <dd itemprop="electronegativity">1</dd> <dd itemprop="electronic_configuration">[Ar]4s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">22.8</dd> <dd itemprop="ionic_radius">100</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">8.54</dd> <dd itemprop="enthalpy_of_vaporization">150</dd> <dd itemprop="covalent_radius">1.74</dd> <dd itemprop="thermal_conductivity">2.01</dd> <dd itemprop="specific_heat_capacity">0.647</dd> <dd itemprop="enthalpy_of_atomization">184</dd> <dd itemprop="row">4</dd> <dd itemprop="column">2</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-3" itemscope itemid="Sc"> <dd itemprop="name">Scandium</dd> <dd itemprop="symbol">Sc</dd> <dd itemprop="atomic_number">21</dd> <dd class="active" itemprop="atomic_weight">44.95591</dd> <dd itemprop="atomic_volume">15.04</dd> <dd itemprop="density">2.989</dd> <dd itemprop="melting_point">1541</dd> <dd itemprop="boiling_point">2830</dd> <dd itemprop="first_ionization_potential">6.54</dd> <dd itemprop="electronegativity">1.36</dd> <dd itemprop="electronic_configuration">[Ar]3d¹4s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">17.8</dd> <dd itemprop="ionic_radius">75</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">14.1</dd> <dd itemprop="enthalpy_of_vaporization">314.2</dd> <dd itemprop="covalent_radius">1.44</dd> <dd itemprop="thermal_conductivity">0.158</dd> <dd itemprop="specific_heat_capacity">0.568</dd> <dd itemprop="enthalpy_of_atomization">343</dd> <dd itemprop="row">4</dd> <dd itemprop="column">3</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-4" itemscope itemid="Ti"> <dd itemprop="name">Titanium</dd> <dd itemprop="symbol">Ti</dd> <dd itemprop="atomic_number">22</dd> <dd class="active" itemprop="atomic_weight">47.88</dd> <dd itemprop="atomic_volume">10.64</dd> <dd itemprop="density">4.5</dd> <dd itemprop="melting_point">1668</dd> <dd itemprop="boiling_point">3287</dd> <dd itemprop="first_ionization_potential">6.82</dd> <dd itemprop="electronegativity">1.54</dd> <dd itemprop="electronic_configuration">[Ar]3d²4s²</dd> <dd itemprop="oxidation_states">3,4</dd> <dd itemprop="polarizability">14.6</dd> <dd itemprop="ionic_radius">67</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">15.481</dd> <dd itemprop="enthalpy_of_vaporization">429</dd> <dd itemprop="covalent_radius">1.32</dd> <dd itemprop="thermal_conductivity">0.219</dd> <dd itemprop="specific_heat_capacity">0.523</dd> <dd itemprop="enthalpy_of_atomization">468.61</dd> <dd itemprop="row">4</dd> <dd itemprop="column">4</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-5" itemscope itemid="V"> <dd itemprop="name">Vanadium</dd> <dd itemprop="symbol">V</dd> <dd itemprop="atomic_number">23</dd> <dd class="active" itemprop="atomic_weight">50.9415</dd> <dd itemprop="atomic_volume">8.55</dd> <dd itemprop="density">5.96</dd> <dd itemprop="melting_point">1910</dd> <dd itemprop="boiling_point">3407</dd> <dd itemprop="first_ionization_potential">6.74</dd> <dd itemprop="electronegativity">1.63</dd> <dd itemprop="electronic_configuration">[Ar]3d³4s²</dd> <dd itemprop="oxidation_states">2,3,4,5</dd> <dd itemprop="polarizability">12.4</dd> <dd itemprop="ionic_radius">64</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">17.573</dd> <dd itemprop="enthalpy_of_vaporization">458.6</dd> <dd itemprop="covalent_radius">1.22</dd> <dd itemprop="thermal_conductivity">0.307</dd> <dd itemprop="specific_heat_capacity">0.489</dd> <dd itemprop="enthalpy_of_atomization">514.63</dd> <dd itemprop="row">4</dd> <dd itemprop="column">5</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-6" itemscope itemid="Cr"> <dd itemprop="name">Chromium</dd> <dd itemprop="symbol">Cr</dd> <dd itemprop="atomic_number">24</dd> <dd class="active" itemprop="atomic_weight">51.9961</dd> <dd itemprop="atomic_volume">7.78</dd> <dd itemprop="density">7.2</dd> <dd itemprop="melting_point">1907</dd> <dd itemprop="boiling_point">2671</dd> <dd itemprop="first_ionization_potential">6.766</dd> <dd itemprop="electronegativity">1.66</dd> <dd itemprop="electronic_configuration">[Ar]3d⁵4s¹</dd> <dd itemprop="oxidation_states">2,3,6</dd> <dd itemprop="polarizability">11.6</dd> <dd itemprop="ionic_radius">62</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">15.31</dd> <dd itemprop="enthalpy_of_vaporization">348.8</dd> <dd itemprop="covalent_radius">1.18</dd> <dd itemprop="thermal_conductivity">0.939</dd> <dd itemprop="specific_heat_capacity">0.449</dd> <dd itemprop="enthalpy_of_atomization">397.48</dd> <dd itemprop="row">4</dd> <dd itemprop="column">6</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-7" itemscope itemid="Mn"> <dd itemprop="name">Manganese</dd> <dd itemprop="symbol">Mn</dd> <dd itemprop="atomic_number">25</dd> <dd class="active" itemprop="atomic_weight">54.93805</dd> <dd itemprop="atomic_volume">7.35</dd> <dd itemprop="density">7.47</dd> <dd itemprop="melting_point">1246</dd> <dd itemprop="boiling_point">2061</dd> <dd itemprop="first_ionization_potential">7.435</dd> <dd itemprop="electronegativity">1.55</dd> <dd itemprop="electronic_configuration">[Ar]3d⁵4s²</dd> <dd itemprop="oxidation_states">2,3,4,6,7</dd> <dd itemprop="polarizability">9.4</dd> <dd itemprop="ionic_radius">65</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">14.644</dd> <dd itemprop="enthalpy_of_vaporization">219.7</dd> <dd itemprop="covalent_radius">1.17</dd> <dd itemprop="thermal_conductivity">0.0781</dd> <dd itemprop="specific_heat_capacity">0.479</dd> <dd itemprop="enthalpy_of_atomization">280.33</dd> <dd itemprop="row">4</dd> <dd itemprop="column">7</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-8" itemscope itemid="Fe"> <dd itemprop="name">Iron</dd> <dd itemprop="symbol">Fe</dd> <dd itemprop="atomic_number">26</dd> <dd class="active" itemprop="atomic_weight">55.847</dd> <dd itemprop="atomic_volume">7.11</dd> <dd itemprop="density">7.86</dd> <dd itemprop="melting_point">1538</dd> <dd itemprop="boiling_point">2861</dd> <dd itemprop="first_ionization_potential">7.87</dd> <dd itemprop="electronegativity">1.83</dd> <dd itemprop="electronic_configuration">[Ar]3d⁶4s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">8.4</dd> <dd itemprop="ionic_radius">78</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">14.9</dd> <dd itemprop="enthalpy_of_vaporization">351.04</dd> <dd itemprop="covalent_radius">1.17</dd> <dd itemprop="thermal_conductivity">0.804</dd> <dd itemprop="specific_heat_capacity">0.449</dd> <dd itemprop="enthalpy_of_atomization">414.2</dd> <dd itemprop="row">4</dd> <dd itemprop="column">8</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-9" itemscope itemid="Co"> <dd itemprop="name">Cobalt</dd> <dd itemprop="symbol">Co</dd> <dd itemprop="atomic_number">27</dd> <dd class="active" itemprop="atomic_weight">58.9332</dd> <dd itemprop="atomic_volume">6.61</dd> <dd itemprop="density">8.92</dd> <dd itemprop="melting_point">1495</dd> <dd itemprop="boiling_point">2927</dd> <dd itemprop="first_ionization_potential">7.86</dd> <dd itemprop="electronegativity">1.88</dd> <dd itemprop="electronic_configuration">[Ar]3d⁷4s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">7.5</dd> <dd itemprop="ionic_radius">75</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">15.23</dd> <dd itemprop="enthalpy_of_vaporization">382.4</dd> <dd itemprop="covalent_radius">1.16</dd> <dd itemprop="thermal_conductivity">1.00</dd> <dd itemprop="specific_heat_capacity">0.421</dd> <dd itemprop="enthalpy_of_atomization">426.77</dd> <dd itemprop="row">4</dd> <dd itemprop="column">9</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-10" itemscope itemid="Ni"> <dd itemprop="name">Nickel</dd> <dd itemprop="symbol">Ni</dd> <dd itemprop="atomic_number">28</dd> <dd class="active" itemprop="atomic_weight">58.6934</dd> <dd itemprop="atomic_volume">6.59</dd> <dd itemprop="density">8.9</dd> <dd itemprop="melting_point">1455</dd> <dd itemprop="boiling_point">2913</dd> <dd itemprop="first_ionization_potential">7.635</dd> <dd itemprop="electronegativity">1.91</dd> <dd itemprop="electronic_configuration">[Ar]3d⁸4s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">6.8</dd> <dd itemprop="ionic_radius">69</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">17.57</dd> <dd itemprop="enthalpy_of_vaporization">371.8</dd> <dd itemprop="covalent_radius">1.15</dd> <dd itemprop="thermal_conductivity">0.909</dd> <dd itemprop="specific_heat_capacity">0.444</dd> <dd itemprop="enthalpy_of_atomization">422.58</dd> <dd itemprop="row">4</dd> <dd itemprop="column">10</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-11" itemscope itemid="Cu"> <dd itemprop="name">Copper</dd> <dd itemprop="symbol">Cu</dd> <dd itemprop="atomic_number">29</dd> <dd class="active" itemprop="atomic_weight">63.546</dd> <dd itemprop="atomic_volume">7.11</dd> <dd itemprop="density">8.94</dd> <dd itemprop="melting_point">1084.62</dd> <dd itemprop="boiling_point">2562</dd> <dd itemprop="first_ionization_potential">7.726</dd> <dd itemprop="electronegativity">1.9</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s¹</dd> <dd itemprop="oxidation_states">1,2</dd> <dd itemprop="polarizability">6.1</dd> <dd itemprop="ionic_radius">65</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">13.012</dd> <dd itemprop="enthalpy_of_vaporization">304.6</dd> <dd itemprop="covalent_radius">1.17</dd> <dd itemprop="thermal_conductivity">4.01</dd> <dd itemprop="specific_heat_capacity">0.385</dd> <dd itemprop="enthalpy_of_atomization">338.9</dd> <dd itemprop="row">4</dd> <dd itemprop="column">11</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-12" itemscope itemid="Zn"> <dd itemprop="name">Zinc</dd> <dd itemprop="symbol">Zn</dd> <dd itemprop="atomic_number">30</dd> <dd class="active" itemprop="atomic_weight">65.39</dd> <dd itemprop="atomic_volume">9.16</dd> <dd itemprop="density">7.14</dd> <dd itemprop="melting_point">419.53</dd> <dd itemprop="boiling_point">907</dd> <dd itemprop="first_ionization_potential">9.394</dd> <dd itemprop="electronegativity">1.65</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">7.1</dd> <dd itemprop="ionic_radius">74</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">7.32</dd> <dd itemprop="enthalpy_of_vaporization">115.5</dd> <dd itemprop="covalent_radius">1.25</dd> <dd itemprop="thermal_conductivity">1.16</dd> <dd itemprop="specific_heat_capacity">0.388</dd> <dd itemprop="enthalpy_of_atomization">129.7</dd> <dd itemprop="row">4</dd> <dd itemprop="column">12</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-13" itemscope itemid="Ga"> <dd itemprop="name">Gallium</dd> <dd itemprop="symbol">Ga</dd> <dd itemprop="atomic_number">31</dd> <dd class="active" itemprop="atomic_weight">69.723</dd> <dd itemprop="atomic_volume">11.44</dd> <dd itemprop="density">6.095</dd> <dd itemprop="melting_point">29.76</dd> <dd itemprop="boiling_point">2204</dd> <dd itemprop="first_ionization_potential">5.999</dd> <dd itemprop="electronegativity">1.81</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²p¹</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">8.12</dd> <dd itemprop="ionic_radius">62</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">5.59</dd> <dd itemprop="enthalpy_of_vaporization">256.1</dd> <dd itemprop="covalent_radius">1.26</dd> <dd itemprop="thermal_conductivity">0.281</dd> <dd itemprop="specific_heat_capacity">0.371</dd> <dd itemprop="enthalpy_of_atomization">276.14</dd> <dd itemprop="row">4</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-14" itemscope itemid="Ge"> <dd itemprop="name">Germanium</dd> <dd itemprop="symbol">Ge</dd> <dd itemprop="atomic_number">32</dd> <dd class="active" itemprop="atomic_weight">72.61</dd> <dd itemprop="atomic_volume">13.57</dd> <dd itemprop="density">5.35</dd> <dd itemprop="melting_point">938.25</dd> <dd itemprop="boiling_point">2833</dd> <dd itemprop="first_ionization_potential">7.899</dd> <dd itemprop="electronegativity">2.01</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²p²</dd> <dd itemprop="oxidation_states">4</dd> <dd itemprop="polarizability">6.07</dd> <dd itemprop="ionic_radius">53</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">34.7</dd> <dd itemprop="enthalpy_of_vaporization">334.3</dd> <dd itemprop="covalent_radius">1.22</dd> <dd itemprop="thermal_conductivity">0.602</dd> <dd itemprop="specific_heat_capacity">0.32</dd> <dd itemprop="enthalpy_of_atomization">376.56</dd> <dd itemprop="row">4</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-15" itemscope itemid="As"> <dd itemprop="name">Arsenic</dd> <dd itemprop="symbol">As</dd> <dd itemprop="atomic_number">33</dd> <dd class="active" itemprop="atomic_weight">74.92159</dd> <dd itemprop="atomic_volume">13.08</dd> <dd itemprop="density">5.727</dd> <dd itemprop="melting_point">817</dd> <dd itemprop="boiling_point">614</dd> <dd itemprop="first_ionization_potential">9.81</dd> <dd itemprop="electronegativity">2.18</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²p³</dd> <dd itemprop="oxidation_states">+/-3,5</dd> <dd itemprop="polarizability">4.31</dd> <dd itemprop="ionic_radius">46</dd> <dd itemprop="crystal_structure">Rhom</dd> <dd itemprop="enthalpy_of_fusion">24.44</dd> <dd itemprop="enthalpy_of_vaporization">34.76</dd> <dd itemprop="covalent_radius">1.2</dd> <dd itemprop="thermal_conductivity">0.502</dd> <dd itemprop="specific_heat_capacity">0.329</dd> <dd itemprop="enthalpy_of_atomization">301.25</dd> <dd itemprop="row">4</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-16" itemscope itemid="Se"> <dd itemprop="name">Selenium</dd> <dd itemprop="symbol">Se</dd> <dd itemprop="atomic_number">34</dd> <dd class="active" itemprop="atomic_weight">78.96</dd> <dd itemprop="atomic_volume">16.42</dd> <dd itemprop="density">4.81</dd> <dd itemprop="melting_point">221</dd> <dd itemprop="boiling_point">685</dd> <dd itemprop="first_ionization_potential">9.752</dd> <dd itemprop="electronegativity">2.55</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²p⁴</dd> <dd itemprop="oxidation_states">-2,4,6</dd> <dd itemprop="polarizability">3.77</dd> <dd itemprop="ionic_radius">198</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">6.69</dd> <dd itemprop="enthalpy_of_vaporization">26.3</dd> <dd itemprop="covalent_radius">1.17</dd> <dd itemprop="thermal_conductivity">0.048</dd> <dd itemprop="specific_heat_capacity">0.321</dd> <dd itemprop="enthalpy_of_atomization">205.85</dd> <dd itemprop="row">4</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-17" itemscope itemid="Br"> <dd itemprop="name">Bromine</dd> <dd itemprop="symbol">Br</dd> <dd itemprop="atomic_number">35</dd> <dd class="active" itemprop="atomic_weight">79.904</dd> <dd itemprop="atomic_volume">25.62</dd> <dd itemprop="density">3.119</dd> <dd itemprop="melting_point">-7.2</dd> <dd itemprop="boiling_point">58.8</dd> <dd itemprop="first_ionization_potential">11.814</dd> <dd itemprop="electronegativity">2.96</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²p⁵</dd> <dd itemprop="oxidation_states">+/-1,5</dd> <dd itemprop="polarizability">3.05</dd> <dd itemprop="ionic_radius">196</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">5.285</dd> <dd itemprop="enthalpy_of_vaporization">15.46</dd> <dd itemprop="covalent_radius">1.14</dd> <dd itemprop="thermal_conductivity">0.00122</dd> <dd itemprop="specific_heat_capacity">0.226</dd> <dd itemprop="enthalpy_of_atomization">111.71</dd> <dd itemprop="row">4</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-4 column-18" itemscope itemid="Kr"> <dd itemprop="name">Krypton</dd> <dd itemprop="symbol">Kr</dd> <dd itemprop="atomic_number">36</dd> <dd class="active" itemprop="atomic_weight">83.8</dd> <dd itemprop="atomic_volume">32.2</dd> <dd itemprop="density">3.74</dd> <dd itemprop="melting_point">-157.36</dd> <dd itemprop="boiling_point">-153.22</dd> <dd itemprop="first_ionization_potential">13.999</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Ar]3d¹⁰4s²p⁶</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">2.48</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">1.636</dd> <dd itemprop="enthalpy_of_vaporization">9.03</dd> <dd itemprop="covalent_radius">1.12</dd> <dd itemprop="thermal_conductivity">0.0000949</dd> <dd itemprop="specific_heat_capacity">0.248</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">4</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-5"> <td class="cell element"> <dl class="row-5 column-1" itemscope itemid="Rb"> <dd itemprop="name">Rubidium</dd> <dd itemprop="symbol">Rb</dd> <dd itemprop="atomic_number">37</dd> <dd class="active" itemprop="atomic_weight">85.4678</dd> <dd itemprop="atomic_volume">55.79</dd> <dd itemprop="density">1.532</dd> <dd itemprop="melting_point">39.31</dd> <dd itemprop="boiling_point">688</dd> <dd itemprop="first_ionization_potential">4.177</dd> <dd itemprop="electronegativity">0.82</dd> <dd itemprop="electronic_configuration">[Kr]5s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">47.3</dd> <dd itemprop="ionic_radius">152</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">2.19</dd> <dd itemprop="enthalpy_of_vaporization">69.2</dd> <dd itemprop="covalent_radius">2.16</dd> <dd itemprop="thermal_conductivity">0.582</dd> <dd itemprop="specific_heat_capacity">0.363</dd> <dd itemprop="enthalpy_of_atomization">82</dd> <dd itemprop="row">5</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-2" itemscope itemid="Sr"> <dd itemprop="name">Strontium</dd> <dd itemprop="symbol">Sr</dd> <dd itemprop="atomic_number">38</dd> <dd class="active" itemprop="atomic_weight">87.62</dd> <dd itemprop="atomic_volume">33.7</dd> <dd itemprop="density">2.6</dd> <dd itemprop="melting_point">777</dd> <dd itemprop="boiling_point">1382</dd> <dd itemprop="first_ionization_potential">5.695</dd> <dd itemprop="electronegativity">0.95</dd> <dd itemprop="electronic_configuration">[Kr]5s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">27.6</dd> <dd itemprop="ionic_radius">118</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">9.16</dd> <dd itemprop="enthalpy_of_vaporization">150</dd> <dd itemprop="covalent_radius">1.91</dd> <dd itemprop="thermal_conductivity">0.354</dd> <dd itemprop="specific_heat_capacity">0.301</dd> <dd itemprop="enthalpy_of_atomization">163.2</dd> <dd itemprop="row">5</dd> <dd itemprop="column">2</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-3" itemscope itemid="Y"> <dd itemprop="name">Yttrium</dd> <dd itemprop="symbol">Y</dd> <dd itemprop="atomic_number">39</dd> <dd class="active" itemprop="atomic_weight">88.90585</dd> <dd itemprop="atomic_volume">19.89</dd> <dd itemprop="density">4.469</dd> <dd itemprop="melting_point">1526</dd> <dd itemprop="boiling_point">3336</dd> <dd itemprop="first_ionization_potential">6.38</dd> <dd itemprop="electronegativity">1.22</dd> <dd itemprop="electronic_configuration">[Kr]4d¹5s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">22.7</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">17.15</dd> <dd itemprop="enthalpy_of_vaporization">393</dd> <dd itemprop="covalent_radius">1.62</dd> <dd itemprop="thermal_conductivity">0.172</dd> <dd itemprop="specific_heat_capacity">0.298</dd> <dd itemprop="enthalpy_of_atomization">418</dd> <dd itemprop="row">5</dd> <dd itemprop="column">3</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-4" itemscope itemid="Zr"> <dd itemprop="name">Zirconium</dd> <dd itemprop="symbol">Zr</dd> <dd itemprop="atomic_number">40</dd> <dd class="active" itemprop="atomic_weight">91.224</dd> <dd itemprop="atomic_volume">14.06</dd> <dd itemprop="density">6.49</dd> <dd itemprop="melting_point">1855</dd> <dd itemprop="boiling_point">4409</dd> <dd itemprop="first_ionization_potential">6.84</dd> <dd itemprop="electronegativity">1.33</dd> <dd itemprop="electronic_configuration">[Kr]4d²5s²</dd> <dd itemprop="oxidation_states">4</dd> <dd itemprop="polarizability">17.9</dd> <dd itemprop="ionic_radius">72</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">20.9</dd> <dd itemprop="enthalpy_of_vaporization">581.6</dd> <dd itemprop="covalent_radius">1.45</dd> <dd itemprop="thermal_conductivity">0.227</dd> <dd itemprop="specific_heat_capacity">0.278</dd> <dd itemprop="enthalpy_of_atomization">598</dd> <dd itemprop="row">5</dd> <dd itemprop="column">4</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-5" itemscope itemid="Nb"> <dd itemprop="name">Niobium</dd> <dd itemprop="symbol">Nb</dd> <dd itemprop="atomic_number">41</dd> <dd class="active" itemprop="atomic_weight">92.90638</dd> <dd itemprop="atomic_volume">10.84</dd> <dd itemprop="density">8.57</dd> <dd itemprop="melting_point">2477</dd> <dd itemprop="boiling_point">4744</dd> <dd itemprop="first_ionization_potential">6.9</dd> <dd itemprop="electronegativity">1.6</dd> <dd itemprop="electronic_configuration">[Kr]4d⁴5s¹</dd> <dd itemprop="oxidation_states">3,5</dd> <dd itemprop="polarizability">15.7</dd> <dd itemprop="ionic_radius">68</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">27.2</dd> <dd itemprop="enthalpy_of_vaporization">696.6</dd> <dd itemprop="covalent_radius">1.34</dd> <dd itemprop="thermal_conductivity">0.537</dd> <dd itemprop="specific_heat_capacity">0.265</dd> <dd itemprop="enthalpy_of_atomization">745</dd> <dd itemprop="row">5</dd> <dd itemprop="column">5</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-6" itemscope itemid="Mo"> <dd itemprop="name">Molybdenum</dd> <dd itemprop="symbol">Mo</dd> <dd itemprop="atomic_number">42</dd> <dd class="active" itemprop="atomic_weight">95.94</dd> <dd itemprop="atomic_volume">9.41</dd> <dd itemprop="density">10.2</dd> <dd itemprop="melting_point">2623</dd> <dd itemprop="boiling_point">4639</dd> <dd itemprop="first_ionization_potential">7.099</dd> <dd itemprop="electronegativity">2.16</dd> <dd itemprop="electronic_configuration">[Kr]4d⁵5s¹</dd> <dd itemprop="oxidation_states">2,3,4,5,6</dd> <dd itemprop="polarizability">12.8</dd> <dd itemprop="ionic_radius">59</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">27.61</dd> <dd itemprop="enthalpy_of_vaporization">594.1</dd> <dd itemprop="covalent_radius">1.3</dd> <dd itemprop="thermal_conductivity">1.38</dd> <dd itemprop="specific_heat_capacity">0.251</dd> <dd itemprop="enthalpy_of_atomization">653</dd> <dd itemprop="row">5</dd> <dd itemprop="column">6</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-7" itemscope itemid="Tc"> <dd itemprop="name">Technetium</dd> <dd itemprop="symbol">Tc</dd> <dd itemprop="atomic_number">43</dd> <dd class="active" itemprop="atomic_weight">97.9072</dd> <dd itemprop="atomic_volume">8.51</dd> <dd itemprop="density">11.5</dd> <dd itemprop="melting_point">2157</dd> <dd itemprop="boiling_point">4265</dd> <dd itemprop="first_ionization_potential">7.28</dd> <dd itemprop="electronegativity">1.9</dd> <dd itemprop="electronic_configuration">[Kr]4d⁵5s²</dd> <dd itemprop="oxidation_states">7</dd> <dd itemprop="polarizability">11.4</dd> <dd itemprop="ionic_radius">65</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">23.01</dd> <dd itemprop="enthalpy_of_vaporization">660</dd> <dd itemprop="covalent_radius">1.27</dd> <dd itemprop="thermal_conductivity">0.506</dd> <dd itemprop="specific_heat_capacity">0.21</dd> <dd itemprop="enthalpy_of_atomization">649</dd> <dd itemprop="row">5</dd> <dd itemprop="column">7</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-8" itemscope itemid="Ru"> <dd itemprop="name">Ruthenium</dd> <dd itemprop="symbol">Ru</dd> <dd itemprop="atomic_number">44</dd> <dd class="active" itemprop="atomic_weight">101.07</dd> <dd itemprop="atomic_volume">8.22</dd> <dd itemprop="density">12.3</dd> <dd itemprop="melting_point">2334</dd> <dd itemprop="boiling_point">4150</dd> <dd itemprop="first_ionization_potential">7.37</dd> <dd itemprop="electronegativity">2.2</dd> <dd itemprop="electronic_configuration">[Kr]4d⁷5s¹</dd> <dd itemprop="oxidation_states">2,3,4,6,8</dd> <dd itemprop="polarizability">9.6</dd> <dd itemprop="ionic_radius">68</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">25.5</dd> <dd itemprop="enthalpy_of_vaporization">567.77</dd> <dd itemprop="covalent_radius">1.25</dd> <dd itemprop="thermal_conductivity">1.17</dd> <dd itemprop="specific_heat_capacity">0.238</dd> <dd itemprop="enthalpy_of_atomization">603</dd> <dd itemprop="row">5</dd> <dd itemprop="column">8</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-9" itemscope itemid="Rh"> <dd itemprop="name">Rhodium</dd> <dd itemprop="symbol">Rh</dd> <dd itemprop="atomic_number">45</dd> <dd class="active" itemprop="atomic_weight">102.9055</dd> <dd itemprop="atomic_volume">8.3</dd> <dd itemprop="density">12.4</dd> <dd itemprop="melting_point">1964</dd> <dd itemprop="boiling_point">3695</dd> <dd itemprop="first_ionization_potential">7.46</dd> <dd itemprop="electronegativity">2.28</dd> <dd itemprop="electronic_configuration">[Kr]4d⁸5s¹</dd> <dd itemprop="oxidation_states">2,3,4</dd> <dd itemprop="polarizability">8.6</dd> <dd itemprop="ionic_radius">67</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">21.76</dd> <dd itemprop="enthalpy_of_vaporization">495.39</dd> <dd itemprop="covalent_radius">1.25</dd> <dd itemprop="thermal_conductivity">1.5</dd> <dd itemprop="specific_heat_capacity">0.243</dd> <dd itemprop="enthalpy_of_atomization">556.5</dd> <dd itemprop="row">5</dd> <dd itemprop="column">9</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-10" itemscope itemid="Pd"> <dd itemprop="name">Palladium</dd> <dd itemprop="symbol">Pd</dd> <dd itemprop="atomic_number">46</dd> <dd class="active" itemprop="atomic_weight">106.42</dd> <dd itemprop="atomic_volume">8.85</dd> <dd itemprop="density">12.02</dd> <dd itemprop="melting_point">1554.9</dd> <dd itemprop="boiling_point">2963</dd> <dd itemprop="first_ionization_potential">8.34</dd> <dd itemprop="electronegativity">2.2</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰</dd> <dd itemprop="oxidation_states">2,4</dd> <dd itemprop="polarizability">4.8</dd> <dd itemprop="ionic_radius">86</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">16.74</dd> <dd itemprop="enthalpy_of_vaporization">376.6</dd> <dd itemprop="covalent_radius">1.28</dd> <dd itemprop="thermal_conductivity">0.718</dd> <dd itemprop="specific_heat_capacity">0.244</dd> <dd itemprop="enthalpy_of_atomization">393.3</dd> <dd itemprop="row">5</dd> <dd itemprop="column">10</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-11" itemscope itemid="Ag"> <dd itemprop="name">Silver</dd> <dd itemprop="symbol">Ag</dd> <dd itemprop="atomic_number">47</dd> <dd class="active" itemprop="atomic_weight">107.8682</dd> <dd itemprop="atomic_volume">10.27</dd> <dd itemprop="density">10.5</dd> <dd itemprop="melting_point">961.78</dd> <dd itemprop="boiling_point">2162</dd> <dd itemprop="first_ionization_potential">7.576</dd> <dd itemprop="electronegativity">1.93</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">7.2</dd> <dd itemprop="ionic_radius">115</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">11.3</dd> <dd itemprop="enthalpy_of_vaporization">255.1</dd> <dd itemprop="covalent_radius">1.34</dd> <dd itemprop="thermal_conductivity">4.29</dd> <dd itemprop="specific_heat_capacity">0.235</dd> <dd itemprop="enthalpy_of_atomization">284.5</dd> <dd itemprop="row">5</dd> <dd itemprop="column">11</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-12" itemscope itemid="Cd"> <dd itemprop="name">Cadmium</dd> <dd itemprop="symbol">Cd</dd> <dd itemprop="atomic_number">48</dd> <dd class="active" itemprop="atomic_weight">112.411</dd> <dd itemprop="atomic_volume">13.01</dd> <dd itemprop="density">8.642</dd> <dd itemprop="melting_point">321.07</dd> <dd itemprop="boiling_point">767</dd> <dd itemprop="first_ionization_potential">8.993</dd> <dd itemprop="electronegativity">1.69</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">7.2</dd> <dd itemprop="ionic_radius">95</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">6.19</dd> <dd itemprop="enthalpy_of_vaporization">100</dd> <dd itemprop="covalent_radius">1.48</dd> <dd itemprop="thermal_conductivity">0.969</dd> <dd itemprop="specific_heat_capacity">0.232</dd> <dd itemprop="enthalpy_of_atomization">113</dd> <dd itemprop="row">5</dd> <dd itemprop="column">12</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-13" itemscope itemid="In"> <dd itemprop="name">Indium</dd> <dd itemprop="symbol">In</dd> <dd itemprop="atomic_number">49</dd> <dd class="active" itemprop="atomic_weight">114.818</dd> <dd itemprop="atomic_volume">15.73</dd> <dd itemprop="density">7.3</dd> <dd itemprop="melting_point">156.6</dd> <dd itemprop="boiling_point">2072</dd> <dd itemprop="first_ionization_potential">5.786</dd> <dd itemprop="electronegativity">1.78</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²p¹</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">10.2</dd> <dd itemprop="ionic_radius">80</dd> <dd itemprop="crystal_structure">Tet</dd> <dd itemprop="enthalpy_of_fusion">3.28</dd> <dd itemprop="enthalpy_of_vaporization">226.4</dd> <dd itemprop="covalent_radius">1.44</dd> <dd itemprop="thermal_conductivity">0.818</dd> <dd itemprop="specific_heat_capacity">0.233</dd> <dd itemprop="enthalpy_of_atomization">242.67</dd> <dd itemprop="row">5</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-14" itemscope itemid="Sn"> <dd itemprop="name">Tin</dd> <dd itemprop="symbol">Sn</dd> <dd itemprop="atomic_number">50</dd> <dd class="active" itemprop="atomic_weight">118.71</dd> <dd itemprop="atomic_volume">16.31</dd> <dd itemprop="density">7.28</dd> <dd itemprop="melting_point">231.93</dd> <dd itemprop="boiling_point">2602</dd> <dd itemprop="first_ionization_potential">7.344</dd> <dd itemprop="electronegativity">1.96</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²p²</dd> <dd itemprop="oxidation_states">2,4</dd> <dd itemprop="polarizability">7.7</dd> <dd itemprop="ionic_radius">69</dd> <dd itemprop="crystal_structure">Tet</dd> <dd itemprop="enthalpy_of_fusion">7.03</dd> <dd itemprop="enthalpy_of_vaporization">290.4</dd> <dd itemprop="covalent_radius">1.4</dd> <dd itemprop="thermal_conductivity">0.668</dd> <dd itemprop="specific_heat_capacity">0.228</dd> <dd itemprop="enthalpy_of_atomization">301.25</dd> <dd itemprop="row">5</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-15" itemscope itemid="Sb"> <dd itemprop="name">Antimony</dd> <dd itemprop="symbol">Sb</dd> <dd itemprop="atomic_number">51</dd> <dd class="active" itemprop="atomic_weight">121.757</dd> <dd itemprop="atomic_volume">18.22</dd> <dd itemprop="density">6.684</dd> <dd itemprop="melting_point">630.63</dd> <dd itemprop="boiling_point">1587</dd> <dd itemprop="first_ionization_potential">8.641</dd> <dd itemprop="electronegativity">2.05</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²p³</dd> <dd itemprop="oxidation_states">+/-3,5</dd> <dd itemprop="polarizability">6.6</dd> <dd itemprop="ionic_radius">76</dd> <dd itemprop="crystal_structure">Rhom</dd> <dd itemprop="enthalpy_of_fusion">19.87</dd> <dd itemprop="enthalpy_of_vaporization">67.9</dd> <dd itemprop="covalent_radius">1.4</dd> <dd itemprop="thermal_conductivity">0.244</dd> <dd itemprop="specific_heat_capacity">0.207</dd> <dd itemprop="enthalpy_of_atomization">263.59</dd> <dd itemprop="row">5</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-16" itemscope itemid="Te"> <dd itemprop="name">Tellurium</dd> <dd itemprop="symbol">Te</dd> <dd itemprop="atomic_number">52</dd> <dd class="active" itemprop="atomic_weight">127.6</dd> <dd itemprop="atomic_volume">20.42</dd> <dd itemprop="density">6.25</dd> <dd itemprop="melting_point">449.51</dd> <dd itemprop="boiling_point">988</dd> <dd itemprop="first_ionization_potential">9.009</dd> <dd itemprop="electronegativity">2.1</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²p⁴</dd> <dd itemprop="oxidation_states">-2,4,6</dd> <dd itemprop="polarizability">5.5</dd> <dd itemprop="ionic_radius">221</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">17.49</dd> <dd itemprop="enthalpy_of_vaporization">50.6</dd> <dd itemprop="covalent_radius">1.36</dd> <dd itemprop="thermal_conductivity">0.0338</dd> <dd itemprop="specific_heat_capacity">0.202</dd> <dd itemprop="enthalpy_of_atomization">190.37</dd> <dd itemprop="row">5</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-17" itemscope itemid="I"> <dd itemprop="name">Iodine</dd> <dd itemprop="symbol">I</dd> <dd itemprop="atomic_number">53</dd> <dd class="active" itemprop="atomic_weight">126.90447</dd> <dd itemprop="atomic_volume">25.74</dd> <dd itemprop="density">4.93</dd> <dd itemprop="melting_point">113.7</dd> <dd itemprop="boiling_point">184.4</dd> <dd itemprop="first_ionization_potential">10.451</dd> <dd itemprop="electronegativity">2.66</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²p⁵</dd> <dd itemprop="oxidation_states">+/-1,5,7</dd> <dd itemprop="polarizability">5.35</dd> <dd itemprop="ionic_radius">220</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">7.76</dd> <dd itemprop="enthalpy_of_vaporization">20.88</dd> <dd itemprop="covalent_radius">1.33</dd> <dd itemprop="thermal_conductivity">0.00449</dd> <dd itemprop="specific_heat_capacity">0.145</dd> <dd itemprop="enthalpy_of_atomization">106.7</dd> <dd itemprop="row">5</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-5 column-18" itemscope itemid="Xe"> <dd itemprop="name">Xenon</dd> <dd itemprop="symbol">Xe</dd> <dd itemprop="atomic_number">54</dd> <dd class="active" itemprop="atomic_weight">131.29</dd> <dd itemprop="atomic_volume">42.9</dd> <dd itemprop="density">5.89</dd> <dd itemprop="melting_point">-111.75</dd> <dd itemprop="boiling_point">-108.04</dd> <dd itemprop="first_ionization_potential">12.13</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Kr]4d¹⁰5s²p⁶</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">4.04</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">2.3</dd> <dd itemprop="enthalpy_of_vaporization">12.64</dd> <dd itemprop="covalent_radius">1.31</dd> <dd itemprop="thermal_conductivity">0.0000569</dd> <dd itemprop="specific_heat_capacity">0.158</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">5</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-6"> <td class="cell element"> <dl class="row-6 column-1" itemscope itemid="Cs"> <dd itemprop="name">Cesium</dd> <dd itemprop="symbol">Cs</dd> <dd itemprop="atomic_number">55</dd> <dd class="active" itemprop="atomic_weight">132.90543</dd> <dd itemprop="atomic_volume">70.73</dd> <dd itemprop="density">1.879</dd> <dd itemprop="melting_point">28.44</dd> <dd itemprop="boiling_point">671</dd> <dd itemprop="first_ionization_potential">3.894</dd> <dd itemprop="electronegativity">0.79</dd> <dd itemprop="electronic_configuration">[Xe]6s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">59.6</dd> <dd itemprop="ionic_radius">167</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">2.1</dd> <dd itemprop="enthalpy_of_vaporization">65.9</dd> <dd itemprop="covalent_radius">2.35</dd> <dd itemprop="thermal_conductivity">0.359</dd> <dd itemprop="specific_heat_capacity">0.242</dd> <dd itemprop="enthalpy_of_atomization">78.24</dd> <dd itemprop="row">6</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-2" itemscope itemid="Ba"> <dd itemprop="name">Barium</dd> <dd itemprop="symbol">Ba</dd> <dd itemprop="atomic_number">56</dd> <dd class="active" itemprop="atomic_weight">137.327</dd> <dd itemprop="atomic_volume">38.21</dd> <dd itemprop="density">3.594</dd> <dd itemprop="melting_point">727</dd> <dd itemprop="boiling_point">1897</dd> <dd itemprop="first_ionization_potential">5.212</dd> <dd itemprop="electronegativity">0.89</dd> <dd itemprop="electronic_configuration">[Xe]6s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">39.7</dd> <dd itemprop="ionic_radius">135</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">7.66</dd> <dd itemprop="enthalpy_of_vaporization">140</dd> <dd itemprop="covalent_radius">1.98</dd> <dd itemprop="thermal_conductivity">0.184</dd> <dd itemprop="specific_heat_capacity">0.204</dd> <dd itemprop="enthalpy_of_atomization">175.7</dd> <dd itemprop="row">6</dd> <dd itemprop="column">2</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-3" itemscope itemid="La"> <dd itemprop="name">Lanthanum</dd> <dd itemprop="symbol">La</dd> <dd itemprop="atomic_number">57</dd> <dd class="active" itemprop="atomic_weight">138.9055</dd> <dd itemprop="atomic_volume">22.6</dd> <dd itemprop="density">6.146</dd> <dd itemprop="melting_point">920</dd> <dd itemprop="boiling_point">3455</dd> <dd itemprop="first_ionization_potential">5.577</dd> <dd itemprop="electronegativity">1.1</dd> <dd itemprop="electronic_configuration"> [Xe]5d¹6s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">31.1</dd> <dd itemprop="ionic_radius">103</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">6.2</dd> <dd itemprop="enthalpy_of_vaporization">399.6</dd> <dd itemprop="covalent_radius">1.69</dd> <dd itemprop="thermal_conductivity">0.134</dd> <dd itemprop="specific_heat_capacity">0.195</dd> <dd itemprop="enthalpy_of_atomization">431</dd> <dd itemprop="row">6</dd> <dd itemprop="column">3</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-4" itemscope itemid="Hf"> <dd itemprop="name">Hafnium</dd> <dd itemprop="symbol">Hf</dd> <dd itemprop="atomic_number">72</dd> <dd class="active" itemprop="atomic_weight">178.49</dd> <dd itemprop="atomic_volume">13.41</dd> <dd itemprop="density">13.31</dd> <dd itemprop="melting_point">2233</dd> <dd itemprop="boiling_point">4603</dd> <dd itemprop="first_ionization_potential">7</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d²6s²</dd> <dd itemprop="oxidation_states">4</dd> <dd itemprop="polarizability">16.2</dd> <dd itemprop="ionic_radius">71</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">25.1</dd> <dd itemprop="enthalpy_of_vaporization">661.1</dd> <dd itemprop="covalent_radius">1.44</dd> <dd itemprop="thermal_conductivity">0.23</dd> <dd itemprop="specific_heat_capacity">0.144</dd> <dd itemprop="enthalpy_of_atomization">703</dd> <dd itemprop="row">6</dd> <dd itemprop="column">4</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-5" itemscope itemid="Ta"> <dd itemprop="name">Tantalum</dd> <dd itemprop="symbol">Ta</dd> <dd itemprop="atomic_number">73</dd> <dd class="active" itemprop="atomic_weight">180.9479</dd> <dd itemprop="atomic_volume">10.9</dd> <dd itemprop="density">16.6</dd> <dd itemprop="melting_point">3017</dd> <dd itemprop="boiling_point">5458</dd> <dd itemprop="first_ionization_potential">7.89</dd> <dd itemprop="electronegativity">1.5</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d³6s²</dd> <dd itemprop="oxidation_states">5</dd> <dd itemprop="polarizability">13.1</dd> <dd itemprop="ionic_radius">72</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">31.4</dd> <dd itemprop="enthalpy_of_vaporization">753.1</dd> <dd itemprop="covalent_radius">1.34</dd> <dd itemprop="thermal_conductivity">0.575</dd> <dd itemprop="specific_heat_capacity">0.14</dd> <dd itemprop="enthalpy_of_atomization">782</dd> <dd itemprop="row">6</dd> <dd itemprop="column">5</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-6" itemscope itemid="W"> <dd itemprop="name">Tungsten</dd> <dd itemprop="symbol">W</dd> <dd itemprop="atomic_number">74</dd> <dd class="active" itemprop="atomic_weight">183.84</dd> <dd itemprop="atomic_volume">9.5</dd> <dd itemprop="density">19.35</dd> <dd itemprop="melting_point">3422</dd> <dd itemprop="boiling_point">5555</dd> <dd itemprop="first_ionization_potential">7.98</dd> <dd itemprop="electronegativity">2.36</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d⁴6s²</dd> <dd itemprop="oxidation_states">2,3,4,5,6</dd> <dd itemprop="polarizability">11.1</dd> <dd itemprop="ionic_radius">42</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">35.23</dd> <dd itemprop="enthalpy_of_vaporization">799.1</dd> <dd itemprop="covalent_radius">1.3</dd> <dd itemprop="thermal_conductivity">1.73</dd> <dd itemprop="specific_heat_capacity">0.132</dd> <dd itemprop="enthalpy_of_atomization">837</dd> <dd itemprop="row">6</dd> <dd itemprop="column">6</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-7" itemscope itemid="Re"> <dd itemprop="name">Rhenium</dd> <dd itemprop="symbol">Re</dd> <dd itemprop="atomic_number">75</dd> <dd class="active" itemprop="atomic_weight">186.207</dd> <dd itemprop="atomic_volume">9.07</dd> <dd itemprop="density">20.5</dd> <dd itemprop="melting_point">3186</dd> <dd itemprop="boiling_point">5596</dd> <dd itemprop="first_ionization_potential">7.88</dd> <dd itemprop="electronegativity">1.9</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d⁵6s²</dd> <dd itemprop="oxidation_states">-1,2,4,6,7</dd> <dd itemprop="polarizability">9.7</dd> <dd itemprop="ionic_radius">63</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">33.05</dd> <dd itemprop="enthalpy_of_vaporization">707.1</dd> <dd itemprop="covalent_radius">1.28</dd> <dd itemprop="thermal_conductivity">0.48</dd> <dd itemprop="specific_heat_capacity">0.137</dd> <dd itemprop="enthalpy_of_atomization">791</dd> <dd itemprop="row">6</dd> <dd itemprop="column">7</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-8" itemscope itemid="Os"> <dd itemprop="name">Osmium</dd> <dd itemprop="symbol">Os</dd> <dd itemprop="atomic_number">76</dd> <dd class="active" itemprop="atomic_weight">190.23</dd> <dd itemprop="atomic_volume">8.41</dd> <dd itemprop="density">22.61</dd> <dd itemprop="melting_point">3033</dd> <dd itemprop="boiling_point">5012</dd> <dd itemprop="first_ionization_potential">8.7</dd> <dd itemprop="electronegativity">2.2</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d⁶6s²</dd> <dd itemprop="oxidation_states">2,3,4,6,8</dd> <dd itemprop="polarizability">8.5</dd> <dd itemprop="ionic_radius">63</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">29.3</dd> <dd itemprop="enthalpy_of_vaporization">627.6</dd> <dd itemprop="covalent_radius">1.26</dd> <dd itemprop="thermal_conductivity">0.876</dd> <dd itemprop="specific_heat_capacity">0.13</dd> <dd itemprop="enthalpy_of_atomization">669</dd> <dd itemprop="row">6</dd> <dd itemprop="column">8</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-9" itemscope itemid="Ir"> <dd itemprop="name">Iridium</dd> <dd itemprop="symbol">Ir</dd> <dd itemprop="atomic_number">77</dd> <dd class="active" itemprop="atomic_weight">192.22</dd> <dd itemprop="atomic_volume">8.49</dd> <dd itemprop="density">22.65</dd> <dd itemprop="melting_point">2446</dd> <dd itemprop="boiling_point">4428</dd> <dd itemprop="first_ionization_potential">9.1</dd> <dd itemprop="electronegativity">2.2</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d⁷6s²</dd> <dd itemprop="oxidation_states">2,3,4,6</dd> <dd itemprop="polarizability">7.6</dd> <dd itemprop="ionic_radius">68</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">26.4</dd> <dd itemprop="enthalpy_of_vaporization">563.6</dd> <dd itemprop="covalent_radius">1.27</dd> <dd itemprop="thermal_conductivity">1.47</dd> <dd itemprop="specific_heat_capacity">0.131</dd> <dd itemprop="enthalpy_of_atomization">628</dd> <dd itemprop="row">6</dd> <dd itemprop="column">9</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-10" itemscope itemid="Pt"> <dd itemprop="name">Platinum</dd> <dd itemprop="symbol">Pt</dd> <dd itemprop="atomic_number">78</dd> <dd class="active" itemprop="atomic_weight">195.08</dd> <dd itemprop="atomic_volume">9.09</dd> <dd itemprop="density">21.45</dd> <dd itemprop="melting_point">1768.4</dd> <dd itemprop="boiling_point">3825</dd> <dd itemprop="first_ionization_potential">9</dd> <dd itemprop="electronegativity">2.28</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d⁹6s¹</dd> <dd itemprop="oxidation_states">2,4</dd> <dd itemprop="polarizability">6.5</dd> <dd itemprop="ionic_radius">80</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">19.7</dd> <dd itemprop="enthalpy_of_vaporization">510.5</dd> <dd itemprop="covalent_radius">1.3</dd> <dd itemprop="thermal_conductivity">0.716</dd> <dd itemprop="specific_heat_capacity">0.133</dd> <dd itemprop="enthalpy_of_atomization">565</dd> <dd itemprop="row">6</dd> <dd itemprop="column">10</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-11" itemscope itemid="Au"> <dd itemprop="name">Gold</dd> <dd itemprop="symbol">Au</dd> <dd itemprop="atomic_number">79</dd> <dd class="active" itemprop="atomic_weight">196.96654</dd> <dd itemprop="atomic_volume">10.2</dd> <dd itemprop="density">19.31</dd> <dd itemprop="melting_point">1064.18</dd> <dd itemprop="boiling_point">2856</dd> <dd itemprop="first_ionization_potential">9.225</dd> <dd itemprop="electronegativity">2.54</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s¹</dd> <dd itemprop="oxidation_states">1,3</dd> <dd itemprop="polarizability">5.8</dd> <dd itemprop="ionic_radius">137</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">12.55</dd> <dd itemprop="enthalpy_of_vaporization">324.4</dd> <dd itemprop="covalent_radius">1.34</dd> <dd itemprop="thermal_conductivity">3.18</dd> <dd itemprop="specific_heat_capacity">0.129</dd> <dd itemprop="enthalpy_of_atomization">364</dd> <dd itemprop="row">6</dd> <dd itemprop="column">11</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-12" itemscope itemid="Hg"> <dd itemprop="name">Mercury</dd> <dd itemprop="symbol">Hg</dd> <dd itemprop="atomic_number">80</dd> <dd class="active" itemprop="atomic_weight">200.59</dd> <dd itemprop="atomic_volume">14.81</dd> <dd itemprop="density">13.546</dd> <dd itemprop="melting_point">-38.83</dd> <dd itemprop="boiling_point">356.73</dd> <dd itemprop="first_ionization_potential">10.437</dd> <dd itemprop="electronegativity">2</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²</dd> <dd itemprop="oxidation_states">1,2</dd> <dd itemprop="polarizability">5.7</dd> <dd itemprop="ionic_radius">102</dd> <dd itemprop="crystal_structure">Rhom</dd> <dd itemprop="enthalpy_of_fusion">2.29</dd> <dd itemprop="enthalpy_of_vaporization">56.9</dd> <dd itemprop="covalent_radius">1.49</dd> <dd itemprop="thermal_conductivity">0.083</dd> <dd itemprop="specific_heat_capacity">0.14</dd> <dd itemprop="enthalpy_of_atomization">61.5</dd> <dd itemprop="row">6</dd> <dd itemprop="column">12</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-13" itemscope itemid="Tl"> <dd itemprop="name">Thallium</dd> <dd itemprop="symbol">Tl</dd> <dd itemprop="atomic_number">81</dd> <dd class="active" itemprop="atomic_weight">204.3833</dd> <dd itemprop="atomic_volume">17.25</dd> <dd itemprop="density">11.85</dd> <dd itemprop="melting_point">304</dd> <dd itemprop="boiling_point">1473</dd> <dd itemprop="first_ionization_potential">6.108</dd> <dd itemprop="electronegativity">2.04</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²p¹</dd> <dd itemprop="oxidation_states">1,3</dd> <dd itemprop="polarizability">7.6</dd> <dd itemprop="ionic_radius">150</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">4.27</dd> <dd itemprop="enthalpy_of_vaporization">162.1</dd> <dd itemprop="covalent_radius">1.48</dd> <dd itemprop="thermal_conductivity">0.461</dd> <dd itemprop="specific_heat_capacity">0.129</dd> <dd itemprop="enthalpy_of_atomization">179.9</dd> <dd itemprop="row">6</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-14" itemscope itemid="Pb"> <dd itemprop="name">Lead</dd> <dd itemprop="symbol">Pb</dd> <dd itemprop="atomic_number">82</dd> <dd class="active" itemprop="atomic_weight">207.2</dd> <dd itemprop="atomic_volume">18.27</dd> <dd itemprop="density">11.34</dd> <dd itemprop="melting_point">327.46</dd> <dd itemprop="boiling_point">1749</dd> <dd itemprop="first_ionization_potential">7.416</dd> <dd itemprop="electronegativity">2.33</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²p²</dd> <dd itemprop="oxidation_states">2,4</dd> <dd itemprop="polarizability">6.8</dd> <dd itemprop="ionic_radius">119</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">4.77</dd> <dd itemprop="enthalpy_of_vaporization">179.4</dd> <dd itemprop="covalent_radius">1.47</dd> <dd itemprop="thermal_conductivity">0.353</dd> <dd itemprop="specific_heat_capacity">0.129</dd> <dd itemprop="enthalpy_of_atomization">194.6</dd> <dd itemprop="row">6</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-15" itemscope itemid="Bi"> <dd itemprop="name">Bismuth</dd> <dd itemprop="symbol">Bi</dd> <dd itemprop="atomic_number">83</dd> <dd class="active" itemprop="atomic_weight">208.98037</dd> <dd itemprop="atomic_volume">21.37</dd> <dd itemprop="density">9.78</dd> <dd itemprop="melting_point">271.4</dd> <dd itemprop="boiling_point">1564</dd> <dd itemprop="first_ionization_potential">7.289</dd> <dd itemprop="electronegativity">2.02</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²p³</dd> <dd itemprop="oxidation_states">3,5</dd> <dd itemprop="polarizability">7.4</dd> <dd itemprop="ionic_radius">103</dd> <dd itemprop="crystal_structure">Rhom</dd> <dd itemprop="enthalpy_of_fusion">10.9</dd> <dd itemprop="enthalpy_of_vaporization">151</dd> <dd itemprop="covalent_radius">1.46</dd> <dd itemprop="thermal_conductivity">0.0792</dd> <dd itemprop="specific_heat_capacity">0.122</dd> <dd itemprop="enthalpy_of_atomization">207.1</dd> <dd itemprop="row">6</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-16" itemscope itemid="Po"> <dd itemprop="name">Polonium</dd> <dd itemprop="symbol">Po</dd> <dd itemprop="atomic_number">84</dd> <dd class="active" itemprop="atomic_weight">208.9824</dd> <dd itemprop="atomic_volume">22.73</dd> <dd itemprop="density">9.196</dd> <dd itemprop="melting_point">254</dd> <dd itemprop="boiling_point">962</dd> <dd itemprop="first_ionization_potential">8.42</dd> <dd itemprop="electronegativity">2</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²p⁴</dd> <dd itemprop="oxidation_states">2,4</dd> <dd itemprop="polarizability">6.8</dd> <dd itemprop="ionic_radius">94</dd> <dd itemprop="crystal_structure">SC</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">60.3</dd> <dd itemprop="covalent_radius">1.46</dd> <dd itemprop="thermal_conductivity">0.2</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">134</dd> <dd itemprop="row">6</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-17" itemscope itemid="At"> <dd itemprop="name">Astatine</dd> <dd itemprop="symbol">At</dd> <dd itemprop="atomic_number">85</dd> <dd class="active" itemprop="atomic_weight">209.9871</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">302</dd> <dd itemprop="boiling_point">337</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">2.2</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²p⁵</dd> <dd itemprop="oxidation_states">+/-1,3,5,7</dd> <dd itemprop="polarizability">6</dd> <dd itemprop="ionic_radius">62</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">1.45</dd> <dd itemprop="thermal_conductivity">0.017</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">92</dd> <dd itemprop="row">6</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-6 column-18" itemscope itemid="Rn"> <dd itemprop="name">Radon</dd> <dd itemprop="symbol">Rn</dd> <dd itemprop="atomic_number">86</dd> <dd class="active" itemprop="atomic_weight">222.0176</dd> <dd itemprop="atomic_volume">50.5</dd> <dd itemprop="density">9.73</dd> <dd itemprop="melting_point">-71</dd> <dd itemprop="boiling_point">-61.7</dd> <dd itemprop="first_ionization_potential">10.748</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹⁰6s²p⁶</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">5.3</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">2.89</dd> <dd itemprop="enthalpy_of_vaporization">16.4</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.0000364</dd> <dd itemprop="specific_heat_capacity">0.094</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">6</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-7"> <td class="cell element"> <dl class="row-7 column-1" itemscope itemid="Fr"> <dd itemprop="name">Francium</dd> <dd itemprop="symbol">Fr</dd> <dd itemprop="atomic_number">87</dd> <dd class="active" itemprop="atomic_weight">223.0197</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">27</dd> <dd itemprop="boiling_point">677</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">0.7</dd> <dd itemprop="electronic_configuration">[Rn]7s¹</dd> <dd itemprop="oxidation_states">1</dd> <dd itemprop="polarizability">48.7</dd> <dd itemprop="ionic_radius">180</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.15</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">71</dd> <dd itemprop="row">7</dd> <dd itemprop="column">1</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-2" itemscope itemid="Ra"> <dd itemprop="name">Radium</dd> <dd itemprop="symbol">Ra</dd> <dd itemprop="atomic_number">88</dd> <dd class="active" itemprop="atomic_weight">226.0254</dd> <dd itemprop="atomic_volume">39</dd> <dd itemprop="density">5.8</dd> <dd itemprop="melting_point">700</dd> <dd itemprop="boiling_point">1140</dd> <dd itemprop="first_ionization_potential">5.279</dd> <dd itemprop="electronegativity">0.9</dd> <dd itemprop="electronic_configuration">[Rn]7s²</dd> <dd itemprop="oxidation_states">2</dd> <dd itemprop="polarizability">38.3</dd> <dd itemprop="ionic_radius">148</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.186</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">163</dd> <dd itemprop="row">7</dd> <dd itemprop="column">2</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-3" itemscope itemid="Ac"> <dd itemprop="name">Actinium</dd> <dd itemprop="symbol">Ac</dd> <dd itemprop="atomic_number">89</dd> <dd class="active" itemprop="atomic_weight">227.0278</dd> <dd itemprop="atomic_volume">22.54</dd> <dd itemprop="density">10.07</dd> <dd itemprop="melting_point">1051</dd> <dd itemprop="boiling_point">3198</dd> <dd itemprop="first_ionization_potential">6.9</dd> <dd itemprop="electronegativity">1.1</dd> <dd itemprop="electronic_configuration">[Rn]6d¹7s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">32.1</dd> <dd itemprop="ionic_radius">112</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.12</dd> <dd itemprop="specific_heat_capacity">0.12</dd> <dd itemprop="enthalpy_of_atomization">301</dd> <dd itemprop="row">7</dd> <dd itemprop="column">3</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-4" itemscope itemid="Rf"> <dd itemprop="name">Rutherfordium</dd> <dd itemprop="symbol">Rf</dd> <dd itemprop="atomic_number">104</dd> <dd class="active" itemprop="atomic_weight">261</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d²7s²</dd> <dd itemprop="oxidation_states">4</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.23</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">4</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-5" itemscope itemid="Db"> <dd itemprop="name">Dubnium</dd> <dd itemprop="symbol">Db</dd> <dd itemprop="atomic_number">105</dd> <dd class="active" itemprop="atomic_weight">262</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d³7s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.58</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">5</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-6" itemscope itemid="Sg"> <dd itemprop="name">Seaborgium</dd> <dd itemprop="symbol">Sg</dd> <dd itemprop="atomic_number">106</dd> <dd class="active" itemprop="atomic_weight">263</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d⁴7s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">6</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-7" itemscope itemid="Bh"> <dd itemprop="name">Bohrium</dd> <dd itemprop="symbol">Bh</dd> <dd itemprop="atomic_number">107</dd> <dd class="active" itemprop="atomic_weight">262</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d⁵7s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">7</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-8" itemscope itemid="Hs"> <dd itemprop="name">Hassium</dd> <dd itemprop="symbol">Hs</dd> <dd itemprop="atomic_number">108</dd> <dd class="active" itemprop="atomic_weight">265</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d⁶7s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">8</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-9" itemscope itemid="Mt"> <dd itemprop="name">Meitnerium</dd> <dd itemprop="symbol">Mt</dd> <dd itemprop="atomic_number">109</dd> <dd class="active" itemprop="atomic_weight">266</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d⁷7s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">9</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-10" itemscope itemid="Uun"> <dd itemprop="name">Ununnilium</dd> <dd itemprop="symbol">Uun</dd> <dd itemprop="atomic_number">110</dd> <dd class="active" itemprop="atomic_weight">269</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d⁹7s¹</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">10</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-11" itemscope itemid="Uuu"> <dd itemprop="name">Unununium</dd> <dd itemprop="symbol">Uuu</dd> <dd itemprop="atomic_number">111</dd> <dd class="active" itemprop="atomic_weight">272</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d¹⁰7s¹</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">11</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-12" itemscope itemid="Uub"> <dd itemprop="name">Ununbium</dd> <dd itemprop="symbol">Uub</dd> <dd itemprop="atomic_number">112</dd> <dd class="active" itemprop="atomic_weight">277</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d¹⁰7s²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">12</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-13" itemscope itemid="Uut"> <dd itemprop="name">Ununtrium</dd> <dd itemprop="symbol">Uut</dd> <dd itemprop="atomic_number">113</dd> <dd class="active" itemprop="atomic_weight">-</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">-</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-14" itemscope itemid="Uuq"> <dd itemprop="name">Ununquadium</dd> <dd itemprop="symbol">Uuq</dd> <dd itemprop="atomic_number">114</dd> <dd class="active" itemprop="atomic_weight">285</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d¹⁰7s²7p²</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-15" itemscope itemid="Uup"> <dd itemprop="name">Ununpentium</dd> <dd itemprop="symbol">Uup</dd> <dd itemprop="atomic_number">115</dd> <dd class="active" itemprop="atomic_weight">-</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">-</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-16" itemscope itemid="Uuh"> <dd itemprop="name">Ununhexium</dd> <dd itemprop="symbol">Uuh</dd> <dd itemprop="atomic_number">116</dd> <dd class="active" itemprop="atomic_weight">289</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d¹⁰7s²7p⁴</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-17" itemscope itemid="Uus"> <dd itemprop="name">Ununseptium</dd> <dd itemprop="symbol">Uus</dd> <dd itemprop="atomic_number">117</dd> <dd class="active" itemprop="atomic_weight">-</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">-</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-7 column-18" itemscope itemid="Uuo"> <dd itemprop="name">Ununoctium</dd> <dd itemprop="symbol">Uuo</dd> <dd itemprop="atomic_number">118</dd> <dd class="active" itemprop="atomic_weight">293</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">-</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d¹⁰7s²7p⁶</dd> <dd itemprop="oxidation_states">-</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">7</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-8"> <td colspan="4"/><dl class="filler"/></td> <td class="cell element"> <dl class="row-8 column-5" itemscope itemid="Ce"> <dd itemprop="name">Cerium</dd> <dd itemprop="symbol">Ce</dd> <dd itemprop="atomic_number">58</dd> <dd class="active" itemprop="atomic_weight">140.115</dd> <dd itemprop="atomic_volume">20.7</dd> <dd itemprop="density">6.77</dd> <dd itemprop="melting_point">799</dd> <dd itemprop="boiling_point">3424</dd> <dd itemprop="first_ionization_potential">5.466</dd> <dd itemprop="electronegativity">1.12</dd> <dd itemprop="electronic_configuration">[Xe]4f¹5d¹6s²</dd> <dd itemprop="oxidation_states">3,4</dd> <dd itemprop="polarizability">29.6</dd> <dd itemprop="ionic_radius">101</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">5.46</dd> <dd itemprop="enthalpy_of_vaporization">414</dd> <dd itemprop="covalent_radius">1.65</dd> <dd itemprop="thermal_conductivity">0.113</dd> <dd itemprop="specific_heat_capacity">0.192</dd> <dd itemprop="enthalpy_of_atomization">381</dd> <dd itemprop="row">8</dd> <dd itemprop="column">5</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-6" itemscope itemid="Pr"> <dd itemprop="name">Praseodymium</dd> <dd itemprop="symbol">Pr</dd> <dd itemprop="atomic_number">59</dd> <dd class="active" itemprop="atomic_weight">140.90765</dd> <dd itemprop="atomic_volume">20.8</dd> <dd itemprop="density">6.773</dd> <dd itemprop="melting_point">931</dd> <dd itemprop="boiling_point">3510</dd> <dd itemprop="first_ionization_potential">5.422</dd> <dd itemprop="electronegativity">1.13</dd> <dd itemprop="electronic_configuration">[Xe]4f³6s²</dd> <dd itemprop="oxidation_states">3,4</dd> <dd itemprop="polarizability">28.2</dd> <dd itemprop="ionic_radius">99</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">6.89</dd> <dd itemprop="enthalpy_of_vaporization">296.8</dd> <dd itemprop="covalent_radius">1.64</dd> <dd itemprop="thermal_conductivity">0.125</dd> <dd itemprop="specific_heat_capacity">0.193</dd> <dd itemprop="enthalpy_of_atomization">368</dd> <dd itemprop="row">8</dd> <dd itemprop="column">6</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-7" itemscope itemid="Nd"> <dd itemprop="name">Neodymium</dd> <dd itemprop="symbol">Nd</dd> <dd itemprop="atomic_number">60</dd> <dd class="active" itemprop="atomic_weight">144.24</dd> <dd itemprop="atomic_volume">20.6</dd> <dd itemprop="density">7</dd> <dd itemprop="melting_point">1016</dd> <dd itemprop="boiling_point">3066</dd> <dd itemprop="first_ionization_potential">5.489</dd> <dd itemprop="electronegativity">1.14</dd> <dd itemprop="electronic_configuration">[Xe]4f⁴6s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">31.4</dd> <dd itemprop="ionic_radius">111</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">7.14</dd> <dd itemprop="enthalpy_of_vaporization">273</dd> <dd itemprop="covalent_radius">1.64</dd> <dd itemprop="thermal_conductivity">0.165</dd> <dd itemprop="specific_heat_capacity">0.19</dd> <dd itemprop="enthalpy_of_atomization">322</dd> <dd itemprop="row">8</dd> <dd itemprop="column">7</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-8" itemscope itemid="Pm"> <dd itemprop="name">Promethium</dd> <dd itemprop="symbol">Pm</dd> <dd itemprop="atomic_number">61</dd> <dd class="active" itemprop="atomic_weight">144.9127</dd> <dd itemprop="atomic_volume">19.95</dd> <dd itemprop="density">7.264</dd> <dd itemprop="melting_point">1042</dd> <dd itemprop="boiling_point">3000</dd> <dd itemprop="first_ionization_potential">5.554</dd> <dd itemprop="electronegativity">1.13</dd> <dd itemprop="electronic_configuration">[Xe]4f⁵6s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">30.1</dd> <dd itemprop="ionic_radius">97</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">7.5</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">1.63</dd> <dd itemprop="thermal_conductivity">0.179</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">310</dd> <dd itemprop="row">8</dd> <dd itemprop="column">8</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-9" itemscope itemid="Sm"> <dd itemprop="name">Samarium</dd> <dd itemprop="symbol">Sm</dd> <dd itemprop="atomic_number">62</dd> <dd class="active" itemprop="atomic_weight">150.36</dd> <dd itemprop="atomic_volume">19.95</dd> <dd itemprop="density">7.536</dd> <dd itemprop="melting_point">1072</dd> <dd itemprop="boiling_point">1790</dd> <dd itemprop="first_ionization_potential">5.631</dd> <dd itemprop="electronegativity">1.17</dd> <dd itemprop="electronic_configuration">[Xe]4f⁶6s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">28.8</dd> <dd itemprop="ionic_radius">96</dd> <dd itemprop="crystal_structure">Rhom</dd> <dd itemprop="enthalpy_of_fusion">8.62</dd> <dd itemprop="enthalpy_of_vaporization">166.4</dd> <dd itemprop="covalent_radius">1.62</dd> <dd itemprop="thermal_conductivity">0.133</dd> <dd itemprop="specific_heat_capacity">0.197</dd> <dd itemprop="enthalpy_of_atomization">209</dd> <dd itemprop="row">8</dd> <dd itemprop="column">9</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-10" itemscope itemid="Eu"> <dd itemprop="name">Europium</dd> <dd itemprop="symbol">Eu</dd> <dd itemprop="atomic_number">63</dd> <dd class="active" itemprop="atomic_weight">151.965</dd> <dd itemprop="atomic_volume">28.98</dd> <dd itemprop="density">5.244</dd> <dd itemprop="melting_point">822</dd> <dd itemprop="boiling_point">1596</dd> <dd itemprop="first_ionization_potential">5.666</dd> <dd itemprop="electronegativity">1.2</dd> <dd itemprop="electronic_configuration">[Xe]4f⁷6s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">27.7</dd> <dd itemprop="ionic_radius">117</dd> <dd itemprop="crystal_structure">BCC</dd> <dd itemprop="enthalpy_of_fusion">9.21</dd> <dd itemprop="enthalpy_of_vaporization">143.5</dd> <dd itemprop="covalent_radius">1.85</dd> <dd itemprop="thermal_conductivity">0.139</dd> <dd itemprop="specific_heat_capacity">0.182</dd> <dd itemprop="enthalpy_of_atomization">180</dd> <dd itemprop="row">8</dd> <dd itemprop="column">10</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-11" itemscope itemid="Gd"> <dd itemprop="name">Gadolinium</dd> <dd itemprop="symbol">Gd</dd> <dd itemprop="atomic_number">64</dd> <dd class="active" itemprop="atomic_weight">157.25</dd> <dd itemprop="atomic_volume">19.9</dd> <dd itemprop="density">7.901</dd> <dd itemprop="melting_point">1314</dd> <dd itemprop="boiling_point">3264</dd> <dd itemprop="first_ionization_potential">6.141</dd> <dd itemprop="electronegativity">1.2</dd> <dd itemprop="electronic_configuration">[Xe]4f⁷5d¹6s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">23.5</dd> <dd itemprop="ionic_radius">94</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">10.05</dd> <dd itemprop="enthalpy_of_vaporization">359.4</dd> <dd itemprop="covalent_radius">1.62</dd> <dd itemprop="thermal_conductivity">0.104</dd> <dd itemprop="specific_heat_capacity">0.236</dd> <dd itemprop="enthalpy_of_atomization">352</dd> <dd itemprop="row">8</dd> <dd itemprop="column">11</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-12" itemscope itemid="Tb"> <dd itemprop="name">Terbium</dd> <dd itemprop="symbol">Tb</dd> <dd itemprop="atomic_number">65</dd> <dd class="active" itemprop="atomic_weight">158.92534</dd> <dd itemprop="atomic_volume">19.31</dd> <dd itemprop="density">8.23</dd> <dd itemprop="melting_point">1359</dd> <dd itemprop="boiling_point">3221</dd> <dd itemprop="first_ionization_potential">5.842</dd> <dd itemprop="electronegativity">1.2</dd> <dd itemprop="electronic_configuration">[Xe]4f⁹6s²</dd> <dd itemprop="oxidation_states">3,4</dd> <dd itemprop="polarizability">25.5</dd> <dd itemprop="ionic_radius">92</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">10.8</dd> <dd itemprop="enthalpy_of_vaporization">330.9</dd> <dd itemprop="covalent_radius">1.61</dd> <dd itemprop="thermal_conductivity">0.111</dd> <dd itemprop="specific_heat_capacity">0.182</dd> <dd itemprop="enthalpy_of_atomization">314</dd> <dd itemprop="row">8</dd> <dd itemprop="column">12</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-13" itemscope itemid="Dy"> <dd itemprop="name">Dysprosium</dd> <dd itemprop="symbol">Dy</dd> <dd itemprop="atomic_number">66</dd> <dd class="active" itemprop="atomic_weight">162.50</dd> <dd itemprop="atomic_volume">19</dd> <dd itemprop="density">8.551</dd> <dd itemprop="melting_point">1411</dd> <dd itemprop="boiling_point">2561</dd> <dd itemprop="first_ionization_potential">5.927</dd> <dd itemprop="electronegativity">1.22</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁰6s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">24.5</dd> <dd itemprop="ionic_radius">107</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">11.05</dd> <dd itemprop="enthalpy_of_vaporization">230</dd> <dd itemprop="covalent_radius">1.6</dd> <dd itemprop="thermal_conductivity">0.107</dd> <dd itemprop="specific_heat_capacity">0.173</dd> <dd itemprop="enthalpy_of_atomization">301</dd> <dd itemprop="row">8</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-14" itemscope itemid="Ho"> <dd itemprop="name">Holmium</dd> <dd itemprop="symbol">Ho</dd> <dd itemprop="atomic_number">67</dd> <dd class="active" itemprop="atomic_weight">164.93032</dd> <dd itemprop="atomic_volume">18.74</dd> <dd itemprop="density">8.8</dd> <dd itemprop="melting_point">1472</dd> <dd itemprop="boiling_point">2694</dd> <dd itemprop="first_ionization_potential">6.018</dd> <dd itemprop="electronegativity">1.23</dd> <dd itemprop="electronic_configuration">[Xe]4f¹16s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">23.6</dd> <dd itemprop="ionic_radius">90</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">11.76</dd> <dd itemprop="enthalpy_of_vaporization">241</dd> <dd itemprop="covalent_radius">1.58</dd> <dd itemprop="thermal_conductivity">0.162</dd> <dd itemprop="specific_heat_capacity">0.165</dd> <dd itemprop="enthalpy_of_atomization">301</dd> <dd itemprop="row">8</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-15" itemscope itemid="Er"> <dd itemprop="name">Erbium</dd> <dd itemprop="symbol">Er</dd> <dd itemprop="atomic_number">68</dd> <dd class="active" itemprop="atomic_weight">167.26</dd> <dd itemprop="atomic_volume">18.45</dd> <dd itemprop="density">9.066</dd> <dd itemprop="melting_point">1529</dd> <dd itemprop="boiling_point">2862</dd> <dd itemprop="first_ionization_potential">6.101</dd> <dd itemprop="electronegativity">1.24</dd> <dd itemprop="electronic_configuration">[Xe]4f¹26s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">22.7</dd> <dd itemprop="ionic_radius">89</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">17.2</dd> <dd itemprop="enthalpy_of_vaporization">261</dd> <dd itemprop="covalent_radius">1.58</dd> <dd itemprop="thermal_conductivity">0.145</dd> <dd itemprop="specific_heat_capacity">0.168</dd> <dd itemprop="enthalpy_of_atomization">314</dd> <dd itemprop="row">8</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-16" itemscope itemid="Tm"> <dd itemprop="name">Thulium</dd> <dd itemprop="symbol">Tm</dd> <dd itemprop="atomic_number">69</dd> <dd class="active" itemprop="atomic_weight">168.93421</dd> <dd itemprop="atomic_volume">18.12</dd> <dd itemprop="density">9.321</dd> <dd itemprop="melting_point">1545</dd> <dd itemprop="boiling_point">1946</dd> <dd itemprop="first_ionization_potential">6.18436</dd> <dd itemprop="electronegativity">1.25</dd> <dd itemprop="electronic_configuration">[Xe]4f¹36s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">21.8</dd> <dd itemprop="ionic_radius">103</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">16.8</dd> <dd itemprop="enthalpy_of_vaporization">191</dd> <dd itemprop="covalent_radius">1.58</dd> <dd itemprop="thermal_conductivity">0.169</dd> <dd itemprop="specific_heat_capacity">0.16</dd> <dd itemprop="enthalpy_of_atomization">247</dd> <dd itemprop="row">8</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-17" itemscope itemid="Yb"> <dd itemprop="name">Ytterbium</dd> <dd itemprop="symbol">Yb</dd> <dd itemprop="atomic_number">70</dd> <dd class="active" itemprop="atomic_weight">173.04</dd> <dd itemprop="atomic_volume">24.84</dd> <dd itemprop="density">6.966</dd> <dd itemprop="melting_point">824</dd> <dd itemprop="boiling_point">1194</dd> <dd itemprop="first_ionization_potential">6.25394</dd> <dd itemprop="electronegativity">1.1</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴6s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">21</dd> <dd itemprop="ionic_radius">87</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">7.66</dd> <dd itemprop="enthalpy_of_vaporization">128.9</dd> <dd itemprop="covalent_radius">1.74</dd> <dd itemprop="thermal_conductivity">0.349</dd> <dd itemprop="specific_heat_capacity">0.155</dd> <dd itemprop="enthalpy_of_atomization">180</dd> <dd itemprop="row">8</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-8 column-18" itemscope itemid="Lu"> <dd itemprop="name">Lutetium</dd> <dd itemprop="symbol">Lu</dd> <dd itemprop="atomic_number">71</dd> <dd class="active" itemprop="atomic_weight">174.967</dd> <dd itemprop="atomic_volume">17.78</dd> <dd itemprop="density">9.84</dd> <dd itemprop="melting_point">1663</dd> <dd itemprop="boiling_point">3393</dd> <dd itemprop="first_ionization_potential">5.42589</dd> <dd itemprop="electronegativity">1.27</dd> <dd itemprop="electronic_configuration">[Xe]4f¹⁴5d¹6s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">21.9</dd> <dd itemprop="ionic_radius">86</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">18.7</dd> <dd itemprop="enthalpy_of_vaporization">355.9</dd> <dd itemprop="covalent_radius">1.56</dd> <dd itemprop="thermal_conductivity">0.164</dd> <dd itemprop="specific_heat_capacity">0.154</dd> <dd itemprop="enthalpy_of_atomization">398</dd> <dd itemprop="row">8</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> <tr class="row-9"> <td colspan="4"/><dl class="filler"/></td> <td class="cell element"> <dl class="row-9 column-5" itemscope itemid="Th"> <dd itemprop="name">Thorium</dd> <dd itemprop="symbol">Th</dd> <dd itemprop="atomic_number">90</dd> <dd class="active" itemprop="atomic_weight">232.0381</dd> <dd itemprop="atomic_volume">19.8</dd> <dd itemprop="density">11.72</dd> <dd itemprop="melting_point">1750</dd> <dd itemprop="boiling_point">4788</dd> <dd itemprop="first_ionization_potential">6.08</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]6d²7s²</dd> <dd itemprop="oxidation_states">4</dd> <dd itemprop="polarizability">32.1</dd> <dd itemprop="ionic_radius">109</dd> <dd itemprop="crystal_structure">FCC</dd> <dd itemprop="enthalpy_of_fusion">15.65</dd> <dd itemprop="enthalpy_of_vaporization">543.92</dd> <dd itemprop="covalent_radius">1.65</dd> <dd itemprop="thermal_conductivity">0.54</dd> <dd itemprop="specific_heat_capacity">0.113</dd> <dd itemprop="enthalpy_of_atomization">565</dd> <dd itemprop="row">9</dd> <dd itemprop="column">5</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-6" itemscope itemid="Pa"> <dd itemprop="name">Protactinium</dd> <dd itemprop="symbol">Pa</dd> <dd itemprop="atomic_number">91</dd> <dd class="active" itemprop="atomic_weight">231.03588</dd> <dd itemprop="atomic_volume">15.03</dd> <dd itemprop="density">15.37</dd> <dd itemprop="melting_point">1572</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">5.89</dd> <dd itemprop="electronegativity">1.5</dd> <dd itemprop="electronic_configuration">[Rn]5f²6d¹7s²</dd> <dd itemprop="oxidation_states">4,5</dd> <dd itemprop="polarizability">25.4</dd> <dd itemprop="ionic_radius">104</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">12.34</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">-</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">6</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-7" itemscope itemid="U"> <dd itemprop="name">Uranium</dd> <dd itemprop="symbol">U</dd> <dd itemprop="atomic_number">92</dd> <dd class="active" itemprop="atomic_weight">238.0289</dd> <dd itemprop="atomic_volume">12.49</dd> <dd itemprop="density">19.05</dd> <dd itemprop="melting_point">1135</dd> <dd itemprop="boiling_point">4131</dd> <dd itemprop="first_ionization_potential">6.05</dd> <dd itemprop="electronegativity">1.38</dd> <dd itemprop="electronic_configuration">[Rn]5f³6d¹7s²</dd> <dd itemprop="oxidation_states">3,4,5,6</dd> <dd itemprop="polarizability">27.4</dd> <dd itemprop="ionic_radius">100</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">15.48</dd> <dd itemprop="enthalpy_of_vaporization">477</dd> <dd itemprop="covalent_radius">1.42</dd> <dd itemprop="thermal_conductivity">0.275</dd> <dd itemprop="specific_heat_capacity">0.116</dd> <dd itemprop="enthalpy_of_atomization">489.5</dd> <dd itemprop="row">9</dd> <dd itemprop="column">7</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-8" itemscope itemid="Np"> <dd itemprop="name">Neptunium</dd> <dd itemprop="symbol">Np</dd> <dd itemprop="atomic_number">93</dd> <dd class="active" itemprop="atomic_weight">237.0482</dd> <dd itemprop="atomic_volume">11.59</dd> <dd itemprop="density">20.45</dd> <dd itemprop="melting_point">644</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.19</dd> <dd itemprop="electronegativity">1.36</dd> <dd itemprop="electronic_configuration">[Rn]5f⁴6d¹7s²</dd> <dd itemprop="oxidation_states">3,4,5,6</dd> <dd itemprop="polarizability">24.8</dd> <dd itemprop="ionic_radius">110</dd> <dd itemprop="crystal_structure">Ortho</dd> <dd itemprop="enthalpy_of_fusion">3.2</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.063</dd> <dd itemprop="specific_heat_capacity">0.12</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">8</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-9" itemscope itemid="Pu"> <dd itemprop="name">Plutonium</dd> <dd itemprop="symbol">Pu</dd> <dd itemprop="atomic_number">94</dd> <dd class="active" itemprop="atomic_weight">244.0642</dd> <dd itemprop="atomic_volume">12.32</dd> <dd itemprop="density">19.816</dd> <dd itemprop="melting_point">640</dd> <dd itemprop="boiling_point">3228</dd> <dd itemprop="first_ionization_potential">5.8</dd> <dd itemprop="electronegativity">1.28</dd> <dd itemprop="electronic_configuration">[Rn]5f⁶7s²</dd> <dd itemprop="oxidation_states">3,4,5,6</dd> <dd itemprop="polarizability">24.5</dd> <dd itemprop="ionic_radius">100</dd> <dd itemprop="crystal_structure">Mono</dd> <dd itemprop="enthalpy_of_fusion">2.82</dd> <dd itemprop="enthalpy_of_vaporization">344</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.067</dd> <dd itemprop="specific_heat_capacity">0.13</dd> <dd itemprop="enthalpy_of_atomization">360</dd> <dd itemprop="row">9</dd> <dd itemprop="column">9</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-10" itemscope itemid="Am"> <dd itemprop="name">Americium</dd> <dd itemprop="symbol">Am</dd> <dd itemprop="atomic_number">95</dd> <dd class="active" itemprop="atomic_weight">243.0614</dd> <dd itemprop="atomic_volume">17.78</dd> <dd itemprop="density">13.67</dd> <dd itemprop="melting_point">1176</dd> <dd itemprop="boiling_point">2607</dd> <dd itemprop="first_ionization_potential">5.993</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f⁷7s²</dd> <dd itemprop="oxidation_states">3,4,5,6</dd> <dd itemprop="polarizability">23.3</dd> <dd itemprop="ionic_radius">97.5</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">14.39</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">0.11</dd> <dd itemprop="enthalpy_of_atomization">268</dd> <dd itemprop="row">9</dd> <dd itemprop="column">10</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-11" itemscope itemid="Cm"> <dd itemprop="name">Curium</dd> <dd itemprop="symbol">Cm</dd> <dd itemprop="atomic_number">96</dd> <dd class="active" itemprop="atomic_weight">247.0703</dd> <dd itemprop="atomic_volume">18.29</dd> <dd itemprop="density">13.51</dd> <dd itemprop="melting_point">1345</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.02</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f⁷6d¹7s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">23</dd> <dd itemprop="ionic_radius">97</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">15</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">11</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-12" itemscope itemid="Bk"> <dd itemprop="name">Berkelium</dd> <dd itemprop="symbol">Bk</dd> <dd itemprop="atomic_number">97</dd> <dd class="active" itemprop="atomic_weight">247.0703</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">14.78</dd> <dd itemprop="melting_point">1050</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.23</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f⁹7s²</dd> <dd itemprop="oxidation_states">3,4</dd> <dd itemprop="polarizability">22.7</dd> <dd itemprop="ionic_radius">96</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">12</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-13" itemscope itemid="Cf"> <dd itemprop="name">Californium</dd> <dd itemprop="symbol">Cf</dd> <dd itemprop="atomic_number">98</dd> <dd class="active" itemprop="atomic_weight">251.0796</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">900</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.3</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁰7s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">20.5</dd> <dd itemprop="ionic_radius">95</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">13</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-14" itemscope itemid="Es"> <dd itemprop="name">Einsteinium</dd> <dd itemprop="symbol">Es</dd> <dd itemprop="atomic_number">99</dd> <dd class="active" itemprop="atomic_weight">252.083</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">860</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.42</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f¹¹7s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">19.7</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">Hex</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">14</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-15" itemscope itemid="Fm"> <dd itemprop="name">Fermium</dd> <dd itemprop="symbol">Fm</dd> <dd itemprop="atomic_number">100</dd> <dd class="active" itemprop="atomic_weight">257.0951</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">1527</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.5</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f¹²7s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">23.8</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">15</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-16" itemscope itemid="Md"> <dd itemprop="name">Mendelevium</dd> <dd itemprop="symbol">Md</dd> <dd itemprop="atomic_number">101</dd> <dd class="active" itemprop="atomic_weight">258.10</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">827</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.58</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f¹³7s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">18.2</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">16</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-17" itemscope itemid="No"> <dd itemprop="name">Nobelium</dd> <dd itemprop="symbol">No</dd> <dd itemprop="atomic_number">102</dd> <dd class="active" itemprop="atomic_weight">259.1009</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">827</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">6.65</dd> <dd itemprop="electronegativity">1.3</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴7s²</dd> <dd itemprop="oxidation_states">2,3</dd> <dd itemprop="polarizability">17.5</dd> <dd itemprop="ionic_radius">110</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">17</dd> </dl> </td> <td class="cell element"> <dl class="row-9 column-18" itemscope itemid="Lr"> <dd itemprop="name">Lawrencium</dd> <dd itemprop="symbol">Lr</dd> <dd itemprop="atomic_number">103</dd> <dd class="active" itemprop="atomic_weight">262.11</dd> <dd itemprop="atomic_volume">-</dd> <dd itemprop="density">-</dd> <dd itemprop="melting_point">1627</dd> <dd itemprop="boiling_point">-</dd> <dd itemprop="first_ionization_potential">-</dd> <dd itemprop="electronegativity">-</dd> <dd itemprop="electronic_configuration">[Rn]5f¹⁴6d¹7s²</dd> <dd itemprop="oxidation_states">3</dd> <dd itemprop="polarizability">-</dd> <dd itemprop="ionic_radius">-</dd> <dd itemprop="crystal_structure">-</dd> <dd itemprop="enthalpy_of_fusion">-</dd> <dd itemprop="enthalpy_of_vaporization">-</dd> <dd itemprop="covalent_radius">-</dd> <dd itemprop="thermal_conductivity">0.1</dd> <dd itemprop="specific_heat_capacity">-</dd> <dd itemprop="enthalpy_of_atomization">-</dd> <dd itemprop="row">9</dd> <dd itemprop="column">18</dd> </dl> </td> </tr> </table> <script src="/static/js_periodic-table.js" type="text/javascript"></script> </div> </div> <div id="ap_listener_added"> </div>