Terbium vs Bismuth
| Property | Tb Terbium | Bi Bismuth |
|---|---|---|
| Atomic number | 65 | 83 |
| Symbol | Tb | Bi |
| Name | Terbium | Bismuth |
| Category | lanthanide | post-transition-metal |
| Standard Atomic Weight | 158.92535 u | 208.9804 u |
| Period | 6 | 6 |
| Group | N/A | 15 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Xe]6s24f9 | [Xe]6s24f145d106p3 |
| Oxidation states | [0, 1, 2, 3, 4] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | N/A | 2.02 |
| Electron affinity | 1.124 eV | 0.942 eV |
| Density | 8230 kg/m³ | 9807 kg/m³ |
| Melting point | 1355.85 °C | 271.4 °C |
| Boiling point | 3229.85 °C | 1563.85 °C |
| Discovery year | 1843 | 1753 |