Cesium vs Bismuth
| Property | Cs Cesium | Bi Bismuth |
|---|---|---|
| Atomic number | 55 | 83 |
| Symbol | Cs | Bi |
| Name | Cesium | Bismuth |
| Category | alkali-metal | post-transition-metal |
| Standard Atomic Weight | 132.905452 u | 208.9804 u |
| Period | 6 | 6 |
| Group | 1 | 15 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Xe]6s1 | [Xe]6s24f145d106p3 |
| Oxidation states | [-1, 1] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 0.79 | 2.02 |
| Electron affinity | 0.4716 eV | 0.942 eV |
| Density | 1930 kg/m³ | 9807 kg/m³ |
| Melting point | 28.44 °C | 271.4 °C |
| Boiling point | 670.85 °C | 1563.85 °C |
| Discovery year | 1860 | 1753 |