Attribute | Dubnium × | Seaborgium × |
---|---|---|
Discovered (year) | 1967 | 1974 |
Atomic number | 105 | 106 |
Group name | Transition metal | Transition metal |
Oxidation states |
|
|
Electron configuration | [Rn]7s²5f¹⁴6d³ | [Rn]7s²5f¹⁴6d⁴ |
1↑Atomic mass (u) | 268.126 | 269.128 |
Standard state | Solid | Solid |
Symbol | Db | Sg |