Polonium vs Livermorium

PropertyPo PoloniumLv Livermorium
Atomic number84116
SymbolPoLv
NamePoloniumLivermorium
Categorymetalloidpost-transition-metal
Standard Atomic Weight209 u293 u
Period67
Group1616
Blockpp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d106p4[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[-2, 2, 4, 5, 6][-2, 2, 4]
Electronegativity (Pauling)2N/A
Electron affinity1.9 eV0.7 eV
Density9320 kg/m³1.290000e+4 kg/m³
Melting point253.85 °C506.85 °C
Boiling point961.85 °C861.85 °C
Discovery year18982000