Seaborgium (Sg) is chemical element 106, a transition metal in group 6, period 7 (PubChem).
- Atomic number: 106
- Symbol: Sg
- Group: 6
- Period: 7
- Atomic mass: 269.128 u
- Electron configuration: [Rn]7s2 5f14 6d4
- Oxidation states: 6, 5, 4, 3, 0
- Standard state: Solid
- Chemical group: Transition metal
- Year discovered: 1974