Vanadium vs Niobium
Pick up to 3 elements and see how they stack up.
| Property | Vanadium | Niobium |
|---|---|---|
| Atomic number | 23 | 41 |
| Atomic mass | 50.942 | 92.906 |
| Electronegativity | 1.63 | 1.6 |
| Melting point | 2,183 K (1,909.8 °C) | 2,750 K (2,476.8 °C) |
| Boiling point | 3,680 K (3,406.8 °C) | 5,017 K (4,743.8 °C) |
| Density | 6 g/cm³ | 8.57 g/cm³ |
| Atomic radius | 179 pm | 207 pm |
| Ionization energy | 6.746 eV | 6.759 eV |
| Discovered | 1801 | 1801 |
| Category | Transition metal | Transition metal |
| State at room temp. | Solid | Solid |
| Block | d | d |
| Group | 5 | 5 |
| Period | 4 | 5 |
| Valence electrons | 2 | 1 |
| Common charges | +2, +3, +4, +5 | +3, +5 |
| Electron configuration | [Ar] 3d3 4s2 | [Kr] 4d4 5s1 |