| Attribute | Oganesson × | Flerovium × |
|---|---|---|
| Discovered (year) | 2006 | 1998 |
| Atomic number | 118 | 114 |
| Group name | Noble gas | Post-transition metal |
| Oxidation states |
|
|
| Electron configuration | [Rn]7s²7p⁶5f¹⁴6d¹⁰ (predicted) | [Rn]7s²7p²5f¹⁴6d¹⁰ (predicted) |
| Atomic mass (u) | 295.216 | 290.192 |
| Standard state | Gas (expected) | Solid (expected) |
| Symbol | Og | Fl |