Vanadium vs Thallium

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PropertyV VanadiumTl Thallium
Atomic number2381
SymbolVTl
NameVanadiumThallium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight50.9415 u204.3835 u
Period46
Group513
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d3[Xe]6s24f145d106p1
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][-5, -2, -1, 1, 2, 3]
Electronegativity (Pauling)1.631.62
Electron affinity0.525 eV0.377 eV
Density6000 kg/m³1.180000e+4 kg/m³
Melting point1909.85 °C303.85 °C
Boiling point3406.85 °C1472.85 °C
Discovery year18301861