Vanadium (V)
Vanadium is the chemical element with atomic number 23 and symbol V. It is a métal de transition in period 4, group 5, with a standard atomic weight of 50.942 u.
Faits essentiels
- Z
- 23
- Atomic weight
- 50.942 u
- Category
- métal de transition
- State at 298 K
- Solid
- Occurrence
- primordial
- Discovered
- 1801
- CAS
- 7440-62-2
Propriétés mesurées
| Property | Value | Source |
|---|---|---|
| Electronegativity | 1.63 | National Center for Biotechnology Information (NIH) |
| Melting point | 2,183 K | National Center for Biotechnology Information (NIH) |
| Boiling point | 3,680 K | National Center for Biotechnology Information (NIH) |
| Density stp | 6 g/cm³ | National Center for Biotechnology Information (NIH) |
| Atomic radius empirical | 179 pm | National Center for Biotechnology Information (NIH) |
| Ionization energy 1st | 650.9 kJ/mol | National Center for Biotechnology Information (NIH) |
| Electron affinity | 50.7 kJ/mol | National Center for Biotechnology Information (NIH) |
Configuration électronique
- Noble gas notation
- [Ar] 3d³ 4s²
- Full notation
- 1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s²
- Electrons per shell
- 2, 8, 11, 2