A diagram of the various periodic trends (in English).
<a href="//commons.wikimedia.org/w/index.php?title=User:Mirek2&amp;action=edit&amp;redlink=1" class="new" title="User:Mirek2 (page does not exist)">Mirek2</a>
2011-04-15
<span class="int-own-work" lang="en">Own work</span>