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Vanadium is a chemical element; it has symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) somewhat stabilizes the free metal against further oxidation.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Vanadium | 48V | synth | 1.00 | infobox |
| Vanadium | 49V | synth | 1.00 | infobox |
| Vanadium | 50V | 0.25% | 1.00 | infobox |
| Vanadium | 51V | 99.8% | 1.00 | infobox |
| Vanadium | Appearance | blue-silver-grey metal | 1.00 | infobox |
| Vanadium | at T (K) | 2101 | 1.00 | infobox |
| Vanadium | Atomic number (Z) | 23 | 1.00 | infobox |
| Vanadium | Atomic radius | empirical: 134 pm | 1.00 | infobox |
| Vanadium | Block | d-block | 1.00 | infobox |
| Vanadium | Boiling point | 3680 K (3407 °C, 6165 °F) | 1.00 | infobox |
| Vanadium | Brinell hardness | 600–742 MPa | 1.00 | infobox |
| Vanadium | Bulk modulus | 160 GPa | 1.00 | infobox |
| Vanadium | CAS Number | 7440-62-2 | 1.00 | infobox |
| Vanadium | Covalent radius | 153±8 pm | 1.00 | infobox |
| Vanadium | Crystal structure | body-centered cubic (bcc) (cI2) | 1.00 | infobox |
| Vanadium | Density (at 20° C) | 6.099 g/cm3 | 1.00 | infobox |
| Vanadium | Discovery | Andrés Manuel del Río (1801) | 1.00 | infobox |
| Vanadium | Electrical resistivity | 197 nΩ⋅m (at 20 °C) | 1.00 | infobox |
| Vanadium | Electron configuration | [Ar] 3d3 4s2 | 1.00 | infobox |
| Vanadium | Electronegativity | Pauling scale: 1.63 | 1.00 | infobox |
| Vanadium | Electrons per shell | 2, 8, 11, 2 | 1.00 | infobox |
| Vanadium | First isolation | Henry Enfield Roscoe (1867) | 1.00 | infobox |
| Vanadium | Group | group 5 | 1.00 | infobox |
| Vanadium | Heat of fusion | 21.5 kJ/mol | 1.00 | infobox |
| Vanadium | Heat of vaporization | 444 kJ/mol | 1.00 | infobox |
| Vanadium | Ionization energies | 1st: 650.9 kJ/mol | 1.00 | infobox |
| Vanadium | Ionization energies | 2nd: 1414 kJ/mol | 1.00 | infobox |
| Vanadium | Ionization energies | 3rd: 2830 kJ/mol | 1.00 | infobox |
| Vanadium | Ionization energies | (more) | 1.00 | infobox |
| Vanadium | Lattice constant | a = 302.72 pm (at 20 °C) | 1.00 | infobox |
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