Attribute | Copernicium × | Oganesson × |
---|---|---|
Discovered (year) | 1996 | 2006 |
1↑Atomic number | 112 | 118 |
Group name | Transition metal | Noble gas |
Oxidation states |
|
|
Electron configuration | [Rn]7s²5f¹⁴6d¹⁰ (predicted) | [Rn]7s²7p⁶5f¹⁴6d¹⁰ (predicted) |
Atomic mass (u) | 286.179 | 295.216 |
Standard state | Solid (expected) | Gas (expected) |
Symbol | Cn | Og |