Attribute | Roentgenium × | Moscovium × |
---|---|---|
Discovered (year) | 1994 | 2003 |
Atomic number | 111 | 115 |
Group name | Transition metal | Post-transition metal |
Oxidation states |
|
|
Electron configuration | [Rn]7s²5f¹⁴6d⁹ (predicted) | [Rn]7s²7p³5f¹⁴6d¹⁰ (predicted) |
1↑Atomic mass (u) | 282.169 | 290.196 |
Standard state | Solid (expected) | Solid (expected) |
Symbol | Rg | Mc |