Berkelium vs Livermorium

PropertyBk BerkeliumLv Livermorium
Atomic number97116
SymbolBkLv
NameBerkeliumLivermorium
Categoryactinidepost-transition-metal
Standard Atomic Weight247 u293 u
Period77
GroupN/A16
Blocksp
Phase at STPsolidsolid
Electron configuration[Rn]7s25f9[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[2, 3, 4, 5][-2, 2, 4]
Electronegativity (Pauling)1.3N/A
Electron affinity-0.5 eV0.7 eV
Density1.400000e+4 kg/m³1.290000e+4 kg/m³
Melting point1049.85 °C506.85 °C
Boiling point-273.15 °C861.85 °C
Discovery year19492000