Seaborgium (Sg)
Seaborgium (Sg) is element 106, a transition metal. Atomic mass 269, configuration [Rn] 5f¹⁴ 6d⁴ 7s². Properties, isotopes, oxidation states, uses and history, with an interactive 3D atom model.
Key facts
| Atomic number | 106 |
|---|---|
| Symbol | Sg |
| Standard atomic weight | 269 |
| Category | Transition Metal |
| Group | 6 |
| Period | 7 |
| Electron configuration | [Rn] 5f¹⁴ 6d⁴ 7s² |
| Valence electrons | 2 (Variable) |
| Common ions | No common ions |
| First ionization energy | 757 kJ/mol |
Common uses
- Research only
Where it matters
- Naming Controversy (First element named after a living person)
Hazards
- Radioactive
History
| Discovered | 1974 |
|---|---|
| Discovered by | Lawrence Berkeley Lab |
| Name | Glenn T. Seaborg |