Chemical structure of <a href="https://en.wikipedia.org/wiki/Trihydrogen_cation" class="extiw" title="en:Trihydrogen cation">Trihydrogen cation</a>
<a href="//commons.wikimedia.org/wiki/User:Gringer" title="User:Gringer">Gringer</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Gringer" title="User talk:Gringer"><span class="signature-talk">talk</span></a>)
2010-08-14
<span class="int-own-work" lang="en">Own work</span>