116Lv[293]
Livermorium (Lv)
Element 116 · Post-transition metal
Livermorium (Lv) is a chemical element with atomic number 116. It is classified as a post-transition metal in period 7, group 16 of the periodic table (the p-block). Its most stable known isotope has mass number 293 and its ground-state electron configuration is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴. Its properties are largely predicted, as only a few atoms have ever been produced.
Livermorium facts
| Atomic number (Z) | 116 |
|---|---|
| Symbol | Lv |
| Mass number of most stable isotope | [293] |
| Category | Post-transition metal |
| Group | 16 |
| Period | 7 |
| Block | p-block |
| Electron configuration | [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴ |
| Electronegativity (Pauling) | — |
| State at 20 °C | Unknown (synthetic) |
| Protons / electrons | 116 / 116 |
| Neutrons (most common isotope, approx.) | 177 |
| Molar mass | 293 g/mol |