<b>Aluminium</b> or <b>aluminum</b> is a chemical element. It has the symbol <b>Al</b>; its atomic number is 13.
<a href="//commons.wikimedia.org/wiki/User:Albedo-ukr" title="User:Albedo-ukr">Albedo-ukr</a>
CC BY-SA 2.5
<a href="//commons.wikimedia.org/wiki/File:Aluminum.gif" class="mw-redirect" title="File:Aluminum.gif">File:Aluminum.gif</a>