Chemical elements
  Roentgenium
    Isotopes
    Energy
    Production
    Application
    Properties

Element Roentgenium (Unununium), Rg





History

The element 111 Roentgenium (symbol Rg) had been discovered 8th December 1994. The original name was Unununium (symbol Uuu). In accordance with the procedures established by IUPAC for the naming of elements, the name Roentgenium and the symbol Rg has been proposed for this noble metal analogous to copper, silver and gold in honour of famous scientists, Wilhelm Conrad Rontgen, the X-rays discoverer. The priority of the first preparing was granted by IUPAC to Sigurd Hofmann, et al at Gesellschaft fur Schwerionenforschung, Darmstadt, Germany.


Neighbours



Chemical Elements

78Pt
195.1
Platinum
79Au
197.0
Gold
80Hg
200.6
Mercury
110Ds
[271.0]
Darmstadtium
111Rg
[284.0]
Roentgenium
112Uub
[288.0]
Ununbium

© Copyright 2008-2012 by atomistry.com