Revision as of 16:16, 28 April 2010 by imported>David Yamakuchi(New page: <includeonly>285</includeonly><noinclude>The standard atomic mass of Copernicium has been specified as 285 g/mol<ref>http://www.webelements.com/copernicium/</ref><ref>http://pubs.acs.org/c...)