Periodic Table
23
V
50.942
Vanadium
Transition MetalColourful oxidation states; V₂O₅ catalyst (Contact process).
Electronic Configuration
[Ar] 3d³ 4s²or1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s²
Electron shells
2e⁻n=1
8e⁻n=2
11e⁻n=3
2e⁻n=4
Properties
Atomic number
23
Atomic mass
50.942 u
Category
Transition Metal
Block / Group / Period
d · 5 · 4
Valence electrons
2
Oxidation states
+2 to +5
Electronegativity
1.63
Atomic radius
171 pm
Ionization energy
651 kJ/mol
Electron affinity
51 kJ/mol
Melting point
2183 K / 1910 °C
Boiling point
3680 K / 3407 °C
Density
6 g/cm³
State at 25 °C
solid
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