Cerium vs Livermorium

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PropertyCe CeriumLv Livermorium
Atomic number58116
SymbolCeLv
NameCeriumLivermorium
Categorylanthanidepost-transition-metal
Standard Atomic Weight140.116 u293 u
Period67
GroupN/A16
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f15d1[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[1, 2, 3, 4][-2, 2, 4]
Electronegativity (Pauling)1.12N/A
Electron affinity0.955 eV0.7 eV
Density6770 kg/m³1.290000e+4 kg/m³
Melting point797.85 °C506.85 °C
Boiling point3423.85 °C861.85 °C
Discovery year18012000