Zinc vs Polonium

PropertyZn ZincPo Polonium
Atomic number3084
SymbolZnPo
NameZincPolonium
Categorytransition-metalmetalloid
Standard Atomic Weight65.38 u209 u
Period46
Group1216
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d10[Xe]6s24f145d106p4
Oxidation states[-2, 0, 1, 2][-2, 2, 4, 5, 6]
Electronegativity (Pauling)1.652
Electron affinity-0.6 eV1.9 eV
Density7134 kg/m³9320 kg/m³
Melting point419.53 °C253.85 °C
Boiling point906.85 °C961.85 °C
Discovery year17461898