Roentgenium

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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.


References