| From Wikipedia, the free encyclopediaLivermorium is a synthetic superheavy element with symbol Lv and atomic number 116. It is an extremely radioactive element that has only been created in the laboratory and has not been observed in nature. The element is named after the Lawrence Livermore National Laboratory in the United States, which collaborated with the Joint Institute for Nuclear Research in Dubna, Russia to discover livermorium in 2000. | |||
Livermorium in the periodic table | |||
|---|---|---|---|
| Symbol | Lv | ||
| Atomic number | 116 | ||
| Group | 16 | ||
| Period | 7 | ||
| Block | p | ||
| Element category | Unknown | ||
Physical properties | |||
| Phase at STP | Solid | ||
| Density | 12.9 g/cm3 | ||
| Atomic weight | 293 u | ||
| Melting point | 709 K 435.85 °C 816.53 °F | ||
| Boiling point | 1085 K 811.85 °C 1493.33 °F | ||
Atomära egenskaper | |||
| Electronegativity (Pauling Scale) | |||
| Electron affinity | 74.9 kJ/mol | ||
| Ionization energies |
| ||
Electron configuration | |||
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p4 | ||
| Electrons per shell | 2, 8, 18, 32, 32, 18, 6 | ||
History | |||
| Discovered | 2000 | ||
| Discovered by | Joint Institute for Nuclear Research | ||