Roentgenium

Roentgenium
Name	Roentgenium
Symbol	Rg
Atomic number	111
Atomic mass	272 amu
Normal state	Presumed to be a Solid
Classification	Transactinides
Crystal structure	Unknown
Color	Unknown
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.