Vanadium vs Cobalt
| Property | V Vanadium | Co Cobalt |
|---|---|---|
| Atomic number | 23 | 27 |
| Symbol | V | Co |
| Name | Vanadium | Cobalt |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 50.9415 u | 58.933194 u |
| Period | 4 | 4 |
| Group | 5 | 9 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d3 | [Ar]4s23d7 |
| Oxidation states | [-3, -1, 0, 1, 2, 3, 4, 5] | [-3, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 1.63 | 1.88 |
| Electron affinity | 0.525 eV | 0.661 eV |
| Density | 6000 kg/m³ | 8860 kg/m³ |
| Melting point | 1909.85 °C | 1494.85 °C |
| Boiling point | 3406.85 °C | 2926.85 °C |
| Discovery year | 1830 | 1735 |