Thallium vs Livermorium

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PropertyTl ThalliumLv Livermorium
Atomic number81116
SymbolTlLv
NameThalliumLivermorium
Categorypost-transition-metalpost-transition-metal
Standard Atomic Weight204.3835 u293 u
Period67
Group1316
Blockpp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d106p1[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[-5, -2, -1, 1, 2, 3][-2, 2, 4]
Electronegativity (Pauling)1.62N/A
Electron affinity0.377 eV0.7 eV
Density1.180000e+4 kg/m³1.290000e+4 kg/m³
Melting point303.85 °C506.85 °C
Boiling point1472.85 °C861.85 °C
Discovery year18612000