Potassium vs Vanadium
| Property | K Potassium | V Vanadium |
|---|---|---|
| Atomic number | 19 | 23 |
| Symbol | K | V |
| Name | Potassium | Vanadium |
| Category | alkali-metal | transition-metal |
| Standard Atomic Weight | 39.0983 u | 50.9415 u |
| Period | 4 | 4 |
| Group | 1 | 5 |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s1 | [Ar]4s23d3 |
| Oxidation states | [-1, 1] | [-3, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 0.82 | 1.63 |
| Electron affinity | 0.5014 eV | 0.525 eV |
| Density | 890 kg/m³ | 6000 kg/m³ |
| Melting point | 63.38 °C | 1909.85 °C |
| Boiling point | 758.85 °C | 3406.85 °C |
| Discovery year | 1807 | 1830 |