Livermorium (Lv)

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

SymbolLv
Atomic number116
Group16
Period7
Blockp
Element categoryUnknown

Physical properties

Phase at STPSolid
Density12.9 g/cm3
Atomic weight293 u
Melting point709 K
435.85 °C
816.53 °F
Boiling point1085 K
811.85 °C
1493.33 °F

Atomära egenskaper

Electronegativity (Pauling Scale)
Electron affinity74.9 kJ/mol
Ionization energies
1 kJ/mol

Electron configuration

Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d10 7s2 7p4
Electrons per shell2, 8, 18, 32, 32, 18, 6

History

Discovered2000
Discovered byJoint Institute for Nuclear Research