106 Sg 269
Seaborgium
transition metal
Properties
- Atomic number
- 106
- Atomic mass
- 269 u
- Category
- transition metal
- Group
- 6
- Period
- 7
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 2
- Electronegativity
- —
- Density
- 35 g/cm³
- Melting point
- —
- Boiling point
- —
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d⁴
Noble-gas shorthand: [Rn] 5f¹⁴ 6d⁴ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 12, 2 — that's 2 in the outermost shell.
About Seaborgium
Seaborgium is a synthetic element with symbol Sg and atomic number 106. Its most stable isotope 271Sg has a half-life of 1.9 minutes. A more recently discovered isotope 269Sg has a potentially slightly longer half-life (ca.
- Discovered by Lawrence Berkeley National Laboratory
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.