Attribute | Flerovium × | Tennessine × |
---|---|---|
Discovered (year) | 1998 | 2010 |
Atomic number | 114 | 117 |
Group name | Post-transition metal | Halogen |
Oxidation states |
|
|
Electron configuration | [Rn]7s²7p²5f¹⁴6d¹⁰ (predicted) | [Rn]7s²7p⁵5f¹⁴6d¹⁰ (predicted) |
Atomic mass (u) | 290.192 | 294.211 |
Standard state | Solid (expected) | Solid (expected) |
1↑Symbol | Fl | Ts |