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      <h1>item position data</h1>
    

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    <p><code>itemPositionDataEnabled</code> option is enabled.  </p>
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  <div id="container" class="clickable clearfix">
    
          
    <div class="element other nonmetal   " data-symbol="H" data-category="other">
      <p class="number">1</p>
      <h3 class="symbol">H</h3>
      <h2 class="name">Hydrogen</h2>
      <p class="weight">1.00794</p>
    </div>
    
          
    <div class="element noble-gas nonmetal   " data-symbol="He" data-category="noble-gas">
      <p class="number">2</p>
      <h3 class="symbol">He</h3>
      <h2 class="name">Helium</h2>
      <p class="weight">4.002602</p>
    </div>
    
          
    <div class="element alkali metal   " data-symbol="Li" data-category="alkali">
      <p class="number">3</p>
      <h3 class="symbol">Li</h3>
      <h2 class="name">Lithium</h2>
      <p class="weight">6.941</p>
    </div>
    
          
    <div class="element alkaline-earth metal   " data-symbol="Be" data-category="alkaline-earth">
      <p class="number">4</p>
      <h3 class="symbol">Be</h3>
      <h2 class="name">Beryllium</h2>
      <p class="weight">9.012182</p>
    </div>
    
          
    <div class="element metalloid   " data-symbol="B" data-category="metalloid">
      <p class="number">5</p>
      <h3 class="symbol">B</h3>
      <h2 class="name">Boron</h2>
      <p class="weight">10.811</p>
    </div>
    
          
    <div class="element other nonmetal   " data-symbol="C" data-category="other">
      <p class="number">6</p>
      <h3 class="symbol">C</h3>
      <h2 class="name">Carbon</h2>
      <p class="weight">12.0107</p>
    </div>
    
          
    <div class="element other nonmetal   " data-symbol="N" data-category="other">
      <p class="number">7</p>
      <h3 class="symbol">N</h3>
      <h2 class="name">Nitrogen</h2>
      <p class="weight">14.0067</p>
    </div>
    
          
    <div class="element other nonmetal   " data-symbol="O" data-category="other">
      <p class="number">8</p>
      <h3 class="symbol">O</h3>
      <h2 class="name">Oxygen</h2>
      <p class="weight">15.9994</p>
    </div>
    
          
    <div class="element halogen nonmetal   " data-symbol="F" data-category="halogen">
      <p class="number">9</p>
      <h3 class="symbol">F</h3>
      <h2 class="name">Fluorine</h2>
      <p class="weight">18.9984032</p>
    </div>
    
          
    <div class="element noble-gas nonmetal   " data-symbol="Ne" data-category="noble-gas">
      <p class="number">10</p>
      <h3 class="symbol">Ne</h3>
      <h2 class="name">Neon</h2>
      <p class="weight">20.1797</p>
    </div>
    
          
    <div class="element alkali metal   " data-symbol="Na" data-category="alkali">
      <p class="number">11</p>
      <h3 class="symbol">Na</h3>
      <h2 class="name">Sodium</h2>
      <p class="weight">22.98976928</p>
    </div>
    
          
    <div class="element alkaline-earth metal   " data-symbol="Mg" data-category="alkaline-earth">
      <p class="number">12</p>
      <h3 class="symbol">Mg</h3>
      <h2 class="name">Magnesium</h2>
      <p class="weight">24.305</p>
    </div>
    
          
    <div class="element post-transition metal   " data-symbol="Al" data-category="post-transition">
      <p class="number">13</p>
      <h3 class="symbol">Al</h3>
      <h2 class="name">Aluminium</h2>
      <p class="weight">26.9815386</p>
    </div>
    
          
    <div class="element metalloid   " data-symbol="Si" data-category="metalloid">
      <p class="number">14</p>
      <h3 class="symbol">Si</h3>
      <h2 class="name">Silicon</h2>
      <p class="weight">28.0855</p>
    </div>
    
          
    <div class="element other nonmetal   " data-symbol="P" data-category="other">
      <p class="number">15</p>
      <h3 class="symbol">P</h3>
      <h2 class="name">Phosphorus</h2>
      <p class="weight">30.973762</p>
    </div>
    
          
    <div class="element other nonmetal   " data-symbol="S" data-category="other">
      <p class="number">16</p>
      <h3 class="symbol">S</h3>
      <h2 class="name">Sulfur</h2>
      <p class="weight">32.065</p>
    </div>
    
          
    <div class="element halogen nonmetal   " data-symbol="Cl" data-category="halogen">
      <p class="number">17</p>
      <h3 class="symbol">Cl</h3>
      <h2 class="name">Chlorine</h2>
      <p class="weight">35.453</p>
    </div>
    
          
    <div class="element noble-gas nonmetal   " data-symbol="Ar" data-category="noble-gas">
      <p class="number">18</p>
      <h3 class="symbol">Ar</h3>
      <h2 class="name">Argon</h2>
      <p class="weight">39.948</p>
    </div>
    
          
    <div class="element alkali metal   " data-symbol="K" data-category="alkali">
      <p class="number">19</p>
      <h3 class="symbol">K</h3>
      <h2 class="name">Potassium</h2>
      <p class="weight">39.0983</p>
    </div>
    
          
    <div class="element alkaline-earth metal   " data-symbol="Ca" data-category="alkaline-earth">
      <p class="number">20</p>
      <h3 class="symbol">Ca</h3>
      <h2 class="name">Calcium</h2>
      <p class="weight">40.078</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Sc" data-category="transition">
      <p class="number">21</p>
      <h3 class="symbol">Sc</h3>
      <h2 class="name">Scandium</h2>
      <p class="weight">44.955912</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Ti" data-category="transition">
      <p class="number">22</p>
      <h3 class="symbol">Ti</h3>
      <h2 class="name">Titanium</h2>
      <p class="weight">47.867</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="V" data-category="transition">
      <p class="number">23</p>
      <h3 class="symbol">V</h3>
      <h2 class="name">Vanadium</h2>
      <p class="weight">50.9415</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Cr" data-category="transition">
      <p class="number">24</p>
      <h3 class="symbol">Cr</h3>
      <h2 class="name">Chromium</h2>
      <p class="weight">51.9961</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Mn" data-category="transition">
      <p class="number">25</p>
      <h3 class="symbol">Mn</h3>
      <h2 class="name">Manganese</h2>
      <p class="weight">54.938045</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Fe" data-category="transition">
      <p class="number">26</p>
      <h3 class="symbol">Fe</h3>
      <h2 class="name">Iron</h2>
      <p class="weight">55.845</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Co" data-category="transition">
      <p class="number">27</p>
      <h3 class="symbol">Co</h3>
      <h2 class="name">Cobalt</h2>
      <p class="weight">58.933195</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Ni" data-category="transition">
      <p class="number">28</p>
      <h3 class="symbol">Ni</h3>
      <h2 class="name">Nickel</h2>
      <p class="weight">58.6934</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Cu" data-category="transition">
      <p class="number">29</p>
      <h3 class="symbol">Cu</h3>
      <h2 class="name">Copper</h2>
      <p class="weight">63.546</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Zn" data-category="transition">
      <p class="number">30</p>
      <h3 class="symbol">Zn</h3>
      <h2 class="name">Zinc</h2>
      <p class="weight">65.38</p>
    </div>
    
          
    <div class="element post-transition metal   " data-symbol="Ga" data-category="post-transition">
      <p class="number">31</p>
      <h3 class="symbol">Ga</h3>
      <h2 class="name">Gallium</h2>
      <p class="weight">69.723</p>
    </div>
    
          
    <div class="element metalloid   " data-symbol="Ge" data-category="metalloid">
      <p class="number">32</p>
      <h3 class="symbol">Ge</h3>
      <h2 class="name">Germanium</h2>
      <p class="weight">72.64</p>
    </div>
    
          
    <div class="element metalloid   " data-symbol="As" data-category="metalloid">
      <p class="number">33</p>
      <h3 class="symbol">As</h3>
      <h2 class="name">Arsenic</h2>
      <p class="weight">74.9216</p>
    </div>
    
          
    <div class="element other nonmetal   " data-symbol="Se" data-category="other">
      <p class="number">34</p>
      <h3 class="symbol">Se</h3>
      <h2 class="name">Selenium</h2>
      <p class="weight">78.96</p>
    </div>
    
          
    <div class="element halogen nonmetal   " data-symbol="Br" data-category="halogen">
      <p class="number">35</p>
      <h3 class="symbol">Br</h3>
      <h2 class="name">Bromine</h2>
      <p class="weight">79.904</p>
    </div>
    
          
    <div class="element noble-gas nonmetal   " data-symbol="Kr" data-category="noble-gas">
      <p class="number">36</p>
      <h3 class="symbol">Kr</h3>
      <h2 class="name">Krypton</h2>
      <p class="weight">83.798</p>
    </div>
    
          
    <div class="element alkali metal   " data-symbol="Rb" data-category="alkali">
      <p class="number">37</p>
      <h3 class="symbol">Rb</h3>
      <h2 class="name">Rubidium</h2>
      <p class="weight">85.4678</p>
    </div>
    
          
    <div class="element alkaline-earth metal   " data-symbol="Sr" data-category="alkaline-earth">
      <p class="number">38</p>
      <h3 class="symbol">Sr</h3>
      <h2 class="name">Strontium</h2>
      <p class="weight">87.62</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Y" data-category="transition">
      <p class="number">39</p>
      <h3 class="symbol">Y</h3>
      <h2 class="name">Yttrium</h2>
      <p class="weight">88.90585</p>
    </div>
    
          
    <div class="element transition metal   " data-symbol="Zr" data-category="transition">
      <p class="number">40</p>
      <h3 class="symbol">Zr</h3>
      <h2 class="name">Zirconium</h2>
      <p class="weight">91.224</p>
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