Gallium vs Bismuth
| Property | Ga Gallium | Bi Bismuth |
|---|---|---|
| Atomic number | 31 | 83 |
| Symbol | Ga | Bi |
| Name | Gallium | Bismuth |
| Category | post-transition-metal | post-transition-metal |
| Standard Atomic Weight | 69.723 u | 208.9804 u |
| Period | 4 | 6 |
| Group | 13 | 15 |
| Block | p | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d104p1 | [Xe]6s24f145d106p3 |
| Oxidation states | [-5, -4, -3, -2, -1, 0, 1, 2, 3] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 1.81 | 2.02 |
| Electron affinity | 0.3 eV | 0.942 eV |
| Density | 5910 kg/m³ | 9807 kg/m³ |
| Melting point | 29.76 °C | 271.4 °C |
| Boiling point | 2203.85 °C | 1563.85 °C |
| Discovery year | 1875 | 1753 |