Seaborgium
Seaborgium (𬭳, symbol Sg) is chemical element number 106, a Transition Metal in period 7, group 6 of the periodic table, with a standard atomic weight of about 269. Named for Glenn T. Seaborg, the first element named after a living person.
Properties
| Atomic number | 106 |
|---|---|
| Symbol | Sg |
| Atomic mass | 269 u |
| Category | Transition Metal |
| Period | 7 |
| Group | 6 |
| Electron configuration | [Rn] 5f¹⁴ 6d⁴ 7s² |
| Electronegativity | — |
| Covalent radius | — |
| Density | 35 g/cm³ |
| Melting point | — |
| Boiling point | — |
| Discovery | LBNL, 1974 |
Overview
Named for Glenn T. Seaborg, the first element named after a living person. Seaborgium (Sg) is a Transition Metal with atomic number 106, located in period 7, group 6. As a transition metal it commonly shows several oxidation states, forms coloured compounds, and is widely used in catalysts and alloys.
With 2 electrons in its outermost shell, Seaborgium bonds accordingly; full configuration [Rn] 5f¹⁴ 6d⁴ 7s². Its physical state follows from its melting and boiling points; it has a density around 35 g/cm³.
Common applications range across Research. It is regarded as a high-hazard element, so handle it with appropriate care. It was first described by LBNL in 1974.
Electron shells
Electrons per shell: 2 · 8 · 18 · 32 · 32 · 12 · 2
Main uses
- Research
Hazard
Compounds containing Seaborgium
No compounds in this knowledge base contain Seaborgium yet.
Data sources
Atomic mass uses IUPAC (CIAAW) standard atomic weights; the covalent radius is from Cordero et al. (2008). Verify on the RSC Periodic Table, PubChem and Wikipedia. Educational reference only.