Vanadium vs Thorium

PropertyV VanadiumTh Thorium
Atomic number2390
SymbolVTh
NameVanadiumThorium
Categorytransition-metalactinide
Standard Atomic Weight50.9415 u232.0377 u
Period47
Group5N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d3[Rn]7s26d2
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][-1, 1, 2, 3, 4]
Electronegativity (Pauling)1.631.3
Electron affinity0.525 eV0.607 eV
Density6000 kg/m³1.172000e+4 kg/m³
Melting point1909.85 °C1749.85 °C
Boiling point3406.85 °C4787.85 °C
Discovery year18301828