Vanadium (V)
Vanadium (V) is element 23 of the periodic table, a transition metal in period 4 and group 5. Its standard atomic weight is 50.9415, so one mole of vanadium atoms has a mass of 50.9415 g. At room temperature it is a solid; it melts at 1909.85 °C and boils at 3406.85 °C.
| Atomic number | 23 |
|---|---|
| Symbol | V |
| Standard atomic weight | 50.9415 |
| Molar mass | 50.9415 g/mol |
| Category | Transition metal |
| Group | 5 |
| Period | 4 |
| Block | d-block |
| Electron configuration | [Ar] 4s2 3d3 |
| Oxidation states | +5, +4, +3, +2 |
| Electronegativity (Pauling) | 1.63 |
| Atomic radius (van der Waals) | 179 pm |
| First ionisation energy | 6.746 eV (650.9 kJ/mol) |
| Electron affinity | 0.525 eV |
| State at room temperature | Solid |
| Melting point | 2183 K (1909.85 °C) |
| Boiling point | 3680 K (3406.85 °C) |
| Density | 6 g/cm³ |
| Discovered | 1801 |
Group 5
Calculate with Vanadium
Atomic weight: IUPAC CIAAW standard atomic weight. Other properties: PubChem (U.S. National Library of Medicine, public domain). Values such as melting point and radius depend on how they were measured; check a data book for precise work.