Periodic table / Transition metals
23Vanadium
Vanadium is a transition metal in group 5, period 4. At 25 °C it is a solid.
- Symbol
- V
- Atomic number
- 23 protons in the nucleus
- Standard atomic weight
- 50.942 ± 0.001
- Electron configuration
- [Ar] 3d3 4s2
- Electrons in each shell
- 2, 8, 11, 2
- Group, period, block
- 5, 4, d
- Family
- Transition metals
- State at 25 °C
- solid
- Electronegativity
- 1.63 (Pauling scale)
- First ionisation energy
- 650.9 kJ/mol (6.746187 eV)
Where these numbers come from
Atomic weight: IUPAC CIAAW, abridged standard atomic weights 2024. Electron configuration and ionisation energy: NIST Atomic Spectra Database. Family, state and electronegativity: PubChem. See Sources. Melting points, boiling points and densities are left out for now: published values differ between sources, and we will add them once each has been checked.