Roentgenium
[Picture of Display box]
Contributor: Be the contributor for this element!
About the Display:
About the Contributor:
Back to the Periodic Table
听
| <Previous element-| | |-Onward to the next element!> |
听
Symbol: Rg
Atomic Number:听111
Atomic Mass: 280 u
Electron Configuration:听[Rn] 5f146d107s1听
Year Discovered: 1994
Discovered By:听Peter Armbruster and Gottfried M眉nzenberg听