Board Thread:New on Elementball Wikia/@comment-120.153.7.190-20170814063403/@comment-27642380-20171024181619

120.153.7.190 wrote: Thulium Is A Lanthanide With The Symbol Tm And The Atomic Number 69 Done. http://elementball.wikia.com/wiki/Thuliumball 18:16, October 24, 2017 (UTC)