Vanadium vs Polonium

PropertyV VanadiumPo Polonium
Atomic number2384
SymbolVPo
NameVanadiumPolonium
Categorytransition-metalmetalloid
Standard Atomic Weight50.9415 u209 u
Period46
Group516
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d3[Xe]6s24f145d106p4
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][-2, 2, 4, 5, 6]
Electronegativity (Pauling)1.632
Electron affinity0.525 eV1.9 eV
Density6000 kg/m³9320 kg/m³
Melting point1909.85 °C253.85 °C
Boiling point3406.85 °C961.85 °C
Discovery year18301898