Argon vs Livermorium

PropertyAr ArgonLv Livermorium
Atomic number18116
SymbolArLv
NameArgonLivermorium
Categorynoble-gaspost-transition-metal
Standard Atomic Weight39.948 u293 u
Period37
Group1816
Blockpp
Phase at STPgassolid
Electron configuration[Ne]3s23p6[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[0][-2, 2, 4]
Electronegativity (Pauling)N/AN/A
Electron affinity-1 eV0.7 eV
Density1.7837 kg/m³1.290000e+4 kg/m³
Melting point-189.35 °C506.85 °C
Boiling point-185.85 °C861.85 °C
Discovery year18942000