Roentgenium (Rg)
A fascinating unknown element.
Roentgenium is element 111 on the periodic table.
Element properties
- Atomic number
- 111
- Symbol
- Rg
- Atomic mass
- 282 u
- Category
- Unknown
- Period
- 7
- Group
- 11
- Block
- d
- State
- Unknown
- Electron configuration
- [Rn] 5f14 6d9 7s2
- Electronegativity (Pauling)
- Not available
- Density
- Not available
- Melting point
- Not available
- Boiling point
- Not available