Krypton vs Livermorium

PropertyKr KryptonLv Livermorium
Atomic number36116
SymbolKrLv
NameKryptonLivermorium
Categorynoble-gaspost-transition-metal
Standard Atomic Weight83.798 u293 u
Period47
Group1816
Blockpp
Phase at STPgassolid
Electron configuration[Ar]4s23d104p6[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[0, 1, 2][-2, 2, 4]
Electronegativity (Pauling)3N/A
Electron affinity-1 eV0.7 eV
Density3.733 kg/m³1.290000e+4 kg/m³
Melting point-157.36 °C506.85 °C
Boiling point-153.42 °C861.85 °C
Discovery year18982000