Attribute | Flerovium × | Nihonium × |
---|---|---|
Oxidation states |
| - |
Group name | Post-transition metal | Post-transition metal |
Discovered (year) | 1998 | 2004 |
Atomic number | 114 | 113 |
1↓Electron configuration | [Rn]7s²7p²5f¹⁴6d¹⁰ (predicted) | [Rn]5f¹⁴6d¹⁰7s²7p¹ (predicted) |
Atomic mass (u) | 290.192 | 286.182 |
Standard state | Solid (expected) | Solid (expected) |
Symbol | Fl | Nh |