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name |
Roentgenium |
latin |
Roentgenium |
french |
Roentgenium |
german |
Roentgenium |
symbol |
Rg |
proton number |
111 |
atomic weight |
[272] |
Pauling electronegativity |
- |
electronic configuration |
[Rn] 5f146d107s1 >> show long |
melting point |
- |
boiling point |
- |
group |
11 |
period |
7 |
state (by 20°C) |
solid |
oxidation states |
- |
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 discussion board (2)
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Discoverer
Year of discovery |
Discoverers |
1994 |
S. Hofmann V. Ninov F. P. Hessberger Peter Armbruster H. Folger Gottfried Münzenberg and others from GSI (Darmstadt, Germany) |
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