Recognised as Chemical element
Livermorium
- Lv
- Z = 116
- element of unknown category
- No stable isotope
Livermorium (Lv) is element 116, an element of unknown category in period 7 and group 16. Its most stable isotope has mass number 293. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolLv
Mass number of the most stable isotope293this element has no stable isotope
Mass in kilograms4.8653795 × 10^-25
Categoryelement of unknown category
Group16
Period7
Blockp-block
Electrons in a neutral atom116
Neutrons in the most common isotope177≈
Electron configuration
Configuration1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁴predicted by the Madelung rule; no ground state has been measured
Noble gas shorthand[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴
Electrons per shell2, 8, 18, 32, 32, 18, 6K, L, M and outward
Electrons in the outer shell6
Unpaired electrons2Hund's rule; unpaired electrons make the free atom paramagnetic
Madelung ruleAssumeda prediction, not a measurement
Quantities
Molar mass293 g/mol
Mass of one mole293 grams
Atoms in one gram2.0553381 × 10^21
Mass of one atom4.8653795 × 10^-22 g
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