3 ms·
And it's already on webelements (it's a brilliant site for getting all your fun facts about elements): http://www.webelements.com/copernicium/ http://www.webel
by revorad 17y ago
And it's already on webelements (it's a brilliant site for getting all your fun facts about elements):
http://www.webelements.com/copernicium/ http://www.webelements.com/copernicium/