106Sg[269]
Seaborgium (Sg)
Element 106 Ā· Transition metal
Seaborgium (Sg) is a chemical element with atomic number 106. It is classified as a transition metal in period 7, group 6 of the periodic table (the d-block). Its most stable known isotope has mass number 269 and its ground-state electron configuration is [Rn] 5f¹ⓠ6dⓠ7s². Its properties are largely predicted, as only a few atoms have ever been produced.
Seaborgium facts
| Atomic number (Z) | 106 |
|---|---|
| Symbol | Sg |
| Mass number of most stable isotope | [269] |
| Category | Transition metal |
| Group | 6 |
| Period | 7 |
| Block | d-block |
| Electron configuration | [Rn] 5f¹ⓠ6dⓠ7s² |
| Electronegativity (Pauling) | ā |
| State at 20 °C | Unknown (synthetic) |
| Protons / electrons | 106 / 106 |
| Neutrons (most common isotope, approx.) | 163 |
| Molar mass | 269 g/mol |