Thulium vs Livermorium

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PropertyTm ThuliumLv Livermorium
Atomic number69116
SymbolTmLv
NameThuliumLivermorium
Categorylanthanidepost-transition-metal
Standard Atomic Weight168.93422 u293 u
Period67
GroupN/A16
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f13[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[0, 1, 2, 3][-2, 2, 4]
Electronegativity (Pauling)1.25N/A
Electron affinity1.029 eV0.7 eV
Density9320 kg/m³1.290000e+4 kg/m³
Melting point1544.85 °C506.85 °C
Boiling point1949.85 °C861.85 °C
Discovery year18792000