Bromine vs Niobium
| Property | Br Bromine | Nb Niobium |
|---|---|---|
| Atomic number | 35 | 41 |
| Symbol | Br | Nb |
| Name | Bromine | Niobium |
| Category | halogen | transition-metal |
| Standard Atomic Weight | 79.904 u | 92.90637 u |
| Period | 4 | 5 |
| Group | 17 | 5 |
| Block | p | s |
| Phase at STP | liquid | solid |
| Electron configuration | [Ar]4s23d104p5 | [Kr]5s14d4 |
| Oxidation states | [-1, 1, 2, 3, 4, 5, 7] | [-3, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 2.96 | 1.6 |
| Electron affinity | 3.3635 eV | 0.893 eV |
| Density | 3102.8 kg/m³ | 8570 kg/m³ |
| Melting point | -7.2 °C | 2476.85 °C |
| Boiling point | 58.8 °C | 4743.85 °C |
| Discovery year | 1825 | 1801 |