Vanadium vs Roentgenium
| Property | V Vanadium | Rg Roentgenium |
|---|---|---|
| Atomic number | 23 | 111 |
| Symbol | V | Rg |
| Name | Vanadium | Roentgenium |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 50.9415 u | 281 u |
| Period | 4 | 7 |
| Group | 5 | 11 |
| Block | s | s |
| Phase at STP | solid | N/A |
| Electron configuration | [Ar]4s23d3 | [Rn] 7s2 5f14 6d9(predicted) |
| Oxidation states | [-3, -1, 0, 1, 2, 3, 4, 5] | [-1, 1, 3, 5] |
| Electronegativity (Pauling) | 1.63 | N/A |
| Electron affinity | 0.525 eV | 1.6 eV |
| Density | 6000 kg/m³ | 2.870000e+4 kg/m³ |
| Melting point | 1909.85 °C | -273.15 °C |
| Boiling point | 3406.85 °C | -273.15 °C |
| Discovery year | 1830 | 1994 |