<span><span>Cs(цезий)</span></span>
<span>K(калий)</span>
<span><span>Li(литий)</span></span>
<span><span><span>Ca(кальций)</span></span></span>
<span><span>Mg(магний)</span></span>
<span>Al(алюминий)</span>
<span><span>B(бор)</span></span>
<span><span>H(водород)</span></span>
<span><span><span>Si(кремний)</span></span></span>
<span><span><span>P(фосфор)</span></span></span>
<span>C</span>(углерод)
<span>S(сера)</span>
<span><span>O(кислород)</span></span>
<span><span>F(фтор)</span></span>
<span>
</span>
<span>
</span>