23 V Vanadium 50.942
Transition metal
Vanadium 钒
[Ar] 3d³ 4s²
- Period 4
- Group 5
- Block d
- Solid
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s²
Orbital diagram (valence)
3d ↑↑↑
4s ↑↓
- Electrons per shell
- 2, 8, 11, 2
- Unpaired electrons
- 3
- Zeff (Slater)
- 3.30
Properties
- Atomic weight
- 50.942
- Electronegativity (Pauling)
- 1.63
- First ionization energy
- 650.9 kJ/mol
- Electron affinity
- 50.65 kJ/mol
- Covalent radius
- 153 pm
- van der Waals radius
- 179 pm
- Melting point
- 2183 K
- Boiling point
- 3680 K
- Density
- 6 g/cm³
- Melting / boiling point
- 1909.8 °C / 3406.8 °C
- Common oxidation states
- +5, +4, +3, +2
- Discovered
- 1801
Natural isotopes
| Mass number A | Abundance |
|---|---|
| 51V | 99.75 % |
Isotope masses: AME2020; abundances: IUPAC/CIAAW representative values.
Vanadium in the course
The lessons that discuss this element most (ranked by mentions).
Lab experiments with Vanadium
Periodic trend
Group 5
Data: PubChem periodic table (public domain); atomic weights are IUPAC abridged standard values; covalent radii from Cordero et al. (2008).