Moscovium vs Livermorium

Side-by-side comparison of Moscovium (Mc, element 115) and Livermorium (Lv, element 116) by atomic structure and physical properties.

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PropertyMc Moscovium Lv Livermorium
Atomic number115116
SymbolMcLv
NameMoscoviumLivermorium
Categorypost-transition-metalpost-transition-metal
Standard Atomic Weight290 u293 u
Period77
Group1516
Blockpp
Phase at STPSolidSolid
Electron configuration[Rn]5f146d107s27p3 (Predicted)[Rn]5f146d107s27p4 (Predicted)
Oxidation states[1, 3][-2, 2, 4]
Electronegativity (Pauling)N/AN/A
Electron affinity0.366 eV0.776 eV
Density1.35e+4 kg/m³1.29e+4 kg/m³
Melting point396.85 °C506.85 °C
Boiling point1126.85 °C861.85 °C
Discovery year20042000

Key Differences

PropertyMc MoscoviumLv Livermorium
Standard Atomic Weight290 u ↓ lower293 u ↑ higher
Density1.35e+4 kg/m³ ↑ higher1.29e+4 kg/m³ ↓ lower
Melting point396.85 °C ↓ lower506.85 °C ↑ higher
Boiling point1126.85 °C ↑ higher861.85 °C ↓ lower
Electron affinity0.366 eV ↓ lower0.776 eV ↑ higher
Group15 16
Electron configuration[Rn]5f146d107s27p3 (Predicted) [Rn]5f146d107s27p4 (Predicted)
Discovery year2004 2000