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<div class="periodic-table">
<div class="container">
<div class="periodic-icons">
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">H</h1>
<p class="name">Hydrogen</p>
<span class="atomic-number">1</span>
<span class="atomic-mass">1.0008</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Li</h1>
<p class="name">Lithium</p>
<span class="atomic-number">3</span>
<span class="atomic-mass">6.941</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">
<h1 class="short-name">Na</h1>
<p class="name">Sodium</p>
<span class="atomic-number">11</span>
<span class="atomic-mass">22.990</span>
</div>
</div>
<div class="col-lg-2 col-md-3 col-sm-4 col-xs-6 item text-center">
<div class="periodic-element">