roentgenium — Rg
The chemical element roentgenium is an element of type Unclassified with the symbol Rg. It has an atomic mass of 282 u and an electronic configuration of [Rn] 5f14 6d10 7s1.
Synthétique
Radioactif
Liquide
Gaz
8
18
32
32
17
2
- Atomic number
- 111
- Atomic mass
- 282
- Symbol
- Rg
- Melting point
- 0
- Boiling point
- 0
- Density
- 28.7
- Period
- 7
- Group
- 11
- Discovery
- 1994 /
- Abundance
- 0
- Radius
- 0
- Electronegativity
- 0
- Ionization
- 0
- Isotope
- 0
- Electronic configuration
- [Rn] 5f14 6d10 7s1
- Oxidation state
- 0
- Electron
- 2,8,18,32,32,17,2