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A utility library of helpers and extensions useful when working with Learnosity APIs.

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import { c as a, L as l } from "../../../extensionsFactory-BHOEyOSK.js"; const i = { message: { header: "Periodic Table of Elements", body: s() } }; function e(d = {}) { d && d?.message && i.message?.header.length && (i.message.header = d.message.header); } function s() { return `<div class="lt__resource-periodic-table"> <p class="sr-only">This is a periodic table of elements, with each element's atomic number, symbol, name, and atomic weight.</p> <p class="sr-only">Use the table to explore the properties of different chemical elements.</p> <table> <caption class="sr-only">Periodic Table of Elements</caption> <colgroup> <col class="period-col" /> <col span="18" /> </colgroup> <thead> <tr> <th scope="col" id="period"><span class="sr-only">Period</span></th> <th scope="col" id="group1">1</th> <th scope="col" id="group2">2</th> <th scope="col" id="group3">3</th> <th scope="col" id="group4">4</th> <th scope="col" id="group5">5</th> <th scope="col" id="group6">6</th> <th scope="col" id="group7">7</th> <th scope="col" id="group8">8</th> <th scope="col" id="group9">9</th> <th scope="col" id="group10">10</th> <th scope="col" id="group11">11</th> <th scope="col" id="group12">12</th> <th scope="col" id="group13">13</th> <th scope="col" id="group14">14</th> <th scope="col" id="group15">15</th> <th scope="col" id="group16">16</th> <th scope="col" id="group17">17</th> <th scope="col" id="group18">18</th> </tr> </thead> <tbody> <!-- Period 1 --> <tr class="row-spacer"> <th scope="row" id="period1"><span class="sr-only">1</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">1</div> <div class="lt__symbol">H</div> <div class="lt__name">Hydrogen</div> <div class="lt__atomic-weight">1.008</div> </div> </div> </td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td role="presentation"></td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">2</div> <div class="lt__symbol">He</div> <div class="lt__name">Helium</div> <div class="lt__atomic-weight">4.002602</div> </div> </div> </td> </tr> <!-- Period 2 --> <tr> <th scope="row" id="period2"><span class="sr-only">2</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">3</div> <div class="lt__symbol">Li</div> <div class="lt__name">Lithium</div> <div class="lt__atomic-weight">6.94</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">4</div> <div class="lt__symbol">Be</div> <div class="lt__name">Beryllium</div> <div class="lt__atomic-weight">9.0122</div> </div> </div> </td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">5</div> <div class="lt__symbol">B</div> <div class="lt__name">Boron</div> <div class="lt__atomic-weight">10.81</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">6</div> <div class="lt__symbol">C</div> <div class="lt__name">Carbon</div> <div class="lt__atomic-weight">12.011</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">7</div> <div class="lt__symbol">N</div> <div class="lt__name">Nitrogen</div> <div class="lt__atomic-weight">14.007</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">8</div> <div class="lt__symbol">O</div> <div class="lt__name">Oxygen</div> <div class="lt__atomic-weight">15.999</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">9</div> <div class="lt__symbol">F</div> <div class="lt__name">Fluorine</div> <div class="lt__atomic-weight">18.998</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">10</div> <div class="lt__symbol">Ne</div> <div class="lt__name">Neon</div> <div class="lt__atomic-weight">20.1797</div> </div> </div> </td> </tr> <!-- Period 3 --> <tr> <th scope="row" id="period3"><span class="sr-only">3</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">11</div> <div class="lt__symbol">Na</div> <div class="lt__name">Sodium</div> <div class="lt__atomic-weight">22.98976928</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">12</div> <div class="lt__symbol">Mg</div> <div class="lt__name">Magnesium</div> <div class="lt__atomic-weight">24.305</div> </div> </div> </td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">13</div> <div class="lt__symbol">Al</div> <div class="lt__name">Aluminium</div> <div class="lt__atomic-weight">26.9815385</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">14</div> <div class="lt__symbol">Si</div> <div class="lt__name">Silicon</div> <div class="lt__atomic-weight">28.0855</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">15</div> <div class="lt__symbol">P</div> <div class="lt__name">Phosphorus</div> <div class="lt__atomic-weight">30.973761998</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">16</div> <div class="lt__symbol">S</div> <div class="lt__name">Sulfur</div> <div class="lt__atomic-weight">32.06</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">17</div> <div class="lt__symbol">Cl</div> <div class="lt__name">Chlorine</div> <div class="lt__atomic-weight">35.45</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">18</div> <div class="lt__symbol">Ar</div> <div class="lt__name">Argon</div> <div class="lt__atomic-weight">39.948</div> </div> </div> </td> </tr> <!-- Period 4 --> <tr> <th scope="row" id="period4"><span class="sr-only">4</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">19</div> <div class="lt__symbol">K</div> <div class="lt__name">Potassium</div> <div class="lt__atomic-weight">39.0983</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">20</div> <div class="lt__symbol">Ca</div> <div class="lt__name">Calcium</div> <div class="lt__atomic-weight">40.078</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">21</div> <div class="lt__symbol">Sc</div> <div class="lt__name">Scandium</div> <div class="lt__atomic-weight">44.955908</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">22</div> <div class="lt__symbol">Ti</div> <div class="lt__name">Titanium</div> <div class="lt__atomic-weight">47.867</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">23</div> <div class="lt__symbol">V</div> <div class="lt__name">Vanadium</div> <div class="lt__atomic-weight">50.9415</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">24</div> <div class="lt__symbol">Cr</div> <div class="lt__name">Chromium</div> <div class="lt__atomic-weight">51.9961</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">25</div> <div class="lt__symbol">Mn</div> <div class="lt__name">Manganese</div> <div class="lt__atomic-weight">54.938044</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">26</div> <div class="lt__symbol">Fe</div> <div class="lt__name">Iron</div> <div class="lt__atomic-weight">55.845</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">27</div> <div class="lt__symbol">Co</div> <div class="lt__name">Cobalt</div> <div class="lt__atomic-weight">58.933194</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">28</div> <div class="lt__symbol">Ni</div> <div class="lt__name">Nickel</div> <div class="lt__atomic-weight">58.6934</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">29</div> <div class="lt__symbol">Cu</div> <div class="lt__name">Copper</div> <div class="lt__atomic-weight">63.546</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">30</div> <div class="lt__symbol">Zn</div> <div class="lt__name">Zinc</div> <div class="lt__atomic-weight">65.38</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">31</div> <div class="lt__symbol">Ga</div> <div class="lt__name">Gallium</div> <div class="lt__atomic-weight">69.723</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">32</div> <div class="lt__symbol">Ge</div> <div class="lt__name">Germanium</div> <div class="lt__atomic-weight">72.630</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">33</div> <div class="lt__symbol">As</div> <div class="lt__name">Arsenic</div> <div class="lt__atomic-weight">74.921595</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">34</div> <div class="lt__symbol">Se</div> <div class="lt__name">Selenium</div> <div class="lt__atomic-weight">78.971</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">35</div> <div class="lt__symbol">Br</div> <div class="lt__name">Bromine</div> <div class="lt__atomic-weight">79.904</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">36</div> <div class="lt__symbol">Kr</div> <div class="lt__name">Krypton</div> <div class="lt__atomic-weight">83.798</div> </div> </div> </td> </tr> <!-- Period 5 --> <tr> <th scope="row" id="period5"><span class="sr-only">5</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">37</div> <div class="lt__symbol">Rb</div> <div class="lt__name">Rubidium</div> <div class="lt__atomic-weight">85.4678</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">38</div> <div class="lt__symbol">Sr</div> <div class="lt__name">Strontium</div> <div class="lt__atomic-weight">87.62</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">39</div> <div class="lt__symbol">Y</div> <div class="lt__name">Yttrium</div> <div class="lt__atomic-weight">88.90584</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">40</div> <div class="lt__symbol">Zr</div> <div class="lt__name">Zirconium</div> <div class="lt__atomic-weight">91.224</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">41</div> <div class="lt__symbol">Nb</div> <div class="lt__name">Niobium</div> <div class="lt__atomic-weight">92.90637</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">42</div> <div class="lt__symbol">Mo</div> <div class="lt__name">Molybdenum</div> <div class="lt__atomic-weight">95.95</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">43</div> <div class="lt__symbol">Tc</div> <div class="lt__name">Technetium</div> <div class="lt__atomic-weight">[98]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">44</div> <div class="lt__symbol">Ru</div> <div class="lt__name">Ruthenium</div> <div class="lt__atomic-weight">101.07</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">45</div> <div class="lt__symbol">Rh</div> <div class="lt__name">Rhodium</div> <div class="lt__atomic-weight">102.90550</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">46</div> <div class="lt__symbol">Pd</div> <div class="lt__name">Palladium</div> <div class="lt__atomic-weight">106.42</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">47</div> <div class="lt__symbol">Ag</div> <div class="lt__name">Silver</div> <div class="lt__atomic-weight">107.8682</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">48</div> <div class="lt__symbol">Cd</div> <div class="lt__name">Cadmium</div> <div class="lt__atomic-weight">112.414</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">49</div> <div class="lt__symbol">In</div> <div class="lt__name">Indium</div> <div class="lt__atomic-weight">114.818</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">50</div> <div class="lt__symbol">Sn</div> <div class="lt__name">Tin</div> <div class="lt__atomic-weight">118.710</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">51</div> <div class="lt__symbol">Sb</div> <div class="lt__name">Antimony</div> <div class="lt__atomic-weight">121.760</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">52</div> <div class="lt__symbol">Te</div> <div class="lt__name">Tellurium</div> <div class="lt__atomic-weight">127.60</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">53</div> <div class="lt__symbol">I</div> <div class="lt__name">Iodine</div> <div class="lt__atomic-weight">126.90447</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">54</div> <div class="lt__symbol">Xe</div> <div class="lt__name">Xenon</div> <div class="lt__atomic-weight">131.293</div> </div> </div> </td> </tr> <!-- Elements 55 to 86 --> <tr> <th scope="row" id="period6"><span class="sr-only">6</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">55</div> <div class="lt__symbol">Cs</div> <div class="lt__name">Caesium</div> <div class="lt__atomic-weight">132.90545196</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">56</div> <div class="lt__symbol">Ba</div> <div class="lt__name">Barium</div> <div class="lt__atomic-weight">137.327</div> </div> </div> </td> <td>&nbsp;</td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">72</div> <div class="lt__symbol">Hf</div> <div class="lt__name">Hafnium</div> <div class="lt__atomic-weight">178.49</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">73</div> <div class="lt__symbol">Ta</div> <div class="lt__name">Tantalum</div> <div class="lt__atomic-weight">180.94788</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">74</div> <div class="lt__symbol">W</div> <div class="lt__name">Tungsten</div> <div class="lt__atomic-weight">183.84</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">75</div> <div class="lt__symbol">Re</div> <div class="lt__name">Rhenium</div> <div class="lt__atomic-weight">186.207</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">76</div> <div class="lt__symbol">Os</div> <div class="lt__name">Osmium</div> <div class="lt__atomic-weight">190.23</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">77</div> <div class="lt__symbol">Ir</div> <div class="lt__name">Iridium</div> <div class="lt__atomic-weight">192.217</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">78</div> <div class="lt__symbol">Pt</div> <div class="lt__name">Platinum</div> <div class="lt__atomic-weight">195.084</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">79</div> <div class="lt__symbol">Au</div> <div class="lt__name">Gold</div> <div class="lt__atomic-weight">196.966569</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">80</div> <div class="lt__symbol">Hg</div> <div class="lt__name">Mercury</div> <div class="lt__atomic-weight">200.592</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">81</div> <div class="lt__symbol">Tl</div> <div class="lt__name">Thallium</div> <div class="lt__atomic-weight">204.38</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">82</div> <div class="lt__symbol">Pb</div> <div class="lt__name">Lead</div> <div class="lt__atomic-weight">207.2</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">83</div> <div class="lt__symbol">Bi</div> <div class="lt__name">Bismuth</div> <div class="lt__atomic-weight">208.98040</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">84</div> <div class="lt__symbol">Po</div> <div class="lt__name">Polonium</div> <div class="lt__atomic-weight">[209]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">85</div> <div class="lt__symbol">At</div> <div class="lt__name">Astatine</div> <div class="lt__atomic-weight">[210]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">86</div> <div class="lt__symbol">Rn</div> <div class="lt__name">Radon</div> <div class="lt__atomic-weight">[222]</div> </div> </div> </td> </tr> <!-- Period 7 --> <tr> <th scope="row" id="period7"><span class="sr-only">7</span></th> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">87</div> <div class="lt__symbol">Fr</div> <div class="lt__name">Francium</div> <div class="lt__atomic-weight">[223]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">88</div> <div class="lt__symbol">Ra</div> <div class="lt__name">Radium</div> <div class="lt__atomic-weight">[226]</div> </div> </div> </td> <td>&nbsp;</td> <!-- Transactinides --> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">104</div> <div class="lt__symbol">Rf</div> <div class="lt__name">Rutherfordium</div> <div class="lt__atomic-weight">[267]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">105</div> <div class="lt__symbol">Db</div> <div class="lt__name">Dubnium</div> <div class="lt__atomic-weight">[268]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">106</div> <div class="lt__symbol">Sg</div> <div class="lt__name">Seaborgium</div> <div class="lt__atomic-weight">[269]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">107</div> <div class="lt__symbol">Bh</div> <div class="lt__name">Bohrium</div> <div class="lt__atomic-weight">[270]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">108</div> <div class="lt__symbol">Hs</div> <div class="lt__name">Hassium</div> <div class="lt__atomic-weight">[277]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">109</div> <div class="lt__symbol">Mt</div> <div class="lt__name">Meitnerium</div> <div class="lt__atomic-weight">[278]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">110</div> <div class="lt__symbol">Ds</div> <div class="lt__name">Darmstadtium</div> <div class="lt__atomic-weight">[281]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">111</div> <div class="lt__symbol">Rg</div> <div class="lt__name">Roentgenium</div> <div class="lt__atomic-weight">[282]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">112</div> <div class="lt__symbol">Cn</div> <div class="lt__name">Copernicium</div> <div class="lt__atomic-weight">[285]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">113</div> <div class="lt__symbol">Nh</div> <div class="lt__name">Nihonium</div> <div class="lt__atomic-weight">[286]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">114</div> <div class="lt__symbol">Fl</div> <div class="lt__name">Flerovium</div> <div class="lt__atomic-weight">[289]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">115</div> <div class="lt__symbol">Mc</div> <div class="lt__name">Moscovium</div> <div class="lt__atomic-weight">[290]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">116</div> <div class="lt__symbol">Lv</div> <div class="lt__name">Livermorium</div> <div class="lt__atomic-weight">[293]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">117</div> <div class="lt__symbol">Ts</div> <div class="lt__name">Tennessine</div> <div class="lt__atomic-weight">[294]</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">118</div> <div class="lt__symbol">Og</div> <div class="lt__name">Oganesson</div> <div class="lt__atomic-weight">[294]</div> </div> </div> </td> </tr> <!-- Lanthanides --> <tr class="ides"> <th scope="row" id="period8"><span class="sr-only">Lanthanides</span></th> <td></td> <td></td> <td></td> <!-- Assuming the Lanthanides start after the first two cells --> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">57</div> <div class="lt__symbol">La</div> <div class="lt__name">Lanthanum</div> <div class="lt__atomic-weight">138.90547</div> </div> </div> </td> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">58</div> <div class="lt__symbol">Ce</div> <div class="lt__name">Cerium</div> <div class="lt__atomic-weight">140.116</div> </div> </div> </td> <!-- ... --> <td> <div class="lt__card"> <div class="lt__element"> <div class="lt__number">59</div> <div class="lt__symbol">Pr</div> <div class="lt__name">Praseodymium</div> <div class="lt__atomic-weight">140.90766</div> </div> </div> </td> <td> <div class="lt__card">