Erbium vs Livermorium

← Back to Periodic Table
PropertyEr ErbiumLv Livermorium
Atomic number68116
SymbolErLv
NameErbiumLivermorium
Categorylanthanidepost-transition-metal
Standard Atomic Weight167.259 u293 u
Period67
GroupN/A16
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f12[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[0, 1, 2, 3][-2, 2, 4]
Electronegativity (Pauling)1.24N/A
Electron affinity0.312 eV0.7 eV
Density9070 kg/m³1.290000e+4 kg/m³
Melting point1528.85 °C506.85 °C
Boiling point2867.85 °C861.85 °C
Discovery year18432000