Niobium vs Bismuth
| Property | Nb Niobium | Bi Bismuth |
|---|---|---|
| Atomic number | 41 | 83 |
| Symbol | Nb | Bi |
| Name | Niobium | Bismuth |
| Category | transition-metal | post-transition-metal |
| Standard Atomic Weight | 92.90637 u | 208.9804 u |
| Period | 5 | 6 |
| Group | 5 | 15 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s14d4 | [Xe]6s24f145d106p3 |
| Oxidation states | [-3, -1, 0, 1, 2, 3, 4, 5] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 1.6 | 2.02 |
| Electron affinity | 0.893 eV | 0.942 eV |
| Density | 8570 kg/m³ | 9807 kg/m³ |
| Melting point | 2476.85 °C | 271.4 °C |
| Boiling point | 4743.85 °C | 1563.85 °C |
| Discovery year | 1801 | 1753 |