Tóm tắt các xu hướng tuần hoàn trong bảng tuần hoàn
<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)">User:Mirek2</a>, modified and translated into Vietnamese by <a href="//commons.wikimedia.org/w/index.php?title=User:Michel_Djerzinski&amp;action=edit&amp;redlink=1" class="new" title="User:Michel Djerzinski (page does not exist)">Michel Djerzinksi</a>
2014-08-13 16:11:11
Derivative works of this file:  <a href="//commons.wikimedia.org/wiki/File:Periodic_trends.svg" title="File:Periodic trends.svg">Periodic trends.svg</a>