Attribute | Hassium × | Seaborgium × |
---|---|---|
1↓Discovered (year) | 1984 | 1974 |
Atomic number | 108 | 106 |
Group name | Transition metal | Transition metal |
Oxidation states |
|
|
Electron configuration | [Rn]7s²5f¹⁴6d⁶ | [Rn]7s²5f¹⁴6d⁴ |
Atomic mass (u) | 269.1336 | 269.128 |
Standard state | Solid | Solid |
Symbol | Hs | Sg |