Roentgenium

Roentgenium
Properties
Atomic symbol	Rg
Atomic number	111
Classification	Transactinides
Atomic mass	272 amu
Other Information
Date of discovery	1994
Name of discoverer	S.Hofmann, V.Ninov, F.P.Heßberger, P.Armbruster, H.Folger, G.Münzenberg and H.J.Schött
Name origin	Named after the discoverer of X-Rays, Wilhelm Conrad Roentgen.
Uses	Research interest only.
Obtained from	Synthetically produced element normally produced by fusing two lighter elements in a heavy ion accelerator.