Oxygen vs Bismuth
| Property | O Oxygen | Bi Bismuth |
|---|---|---|
| Atomic number | 8 | 83 |
| Symbol | O | Bi |
| Name | Oxygen | Bismuth |
| Category | nonmetal | post-transition-metal |
| Standard Atomic Weight | 15.9994 u | 208.9804 u |
| Period | 2 | 6 |
| Group | 16 | 15 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p4 | [Xe]6s24f145d106p3 |
| Oxidation states | [-2, -1, 0, 1, 2] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 3.44 | 2.02 |
| Electron affinity | 1.4611 eV | 0.942 eV |
| Density | 1.429 kg/m³ | 9807 kg/m³ |
| Melting point | -218.79 °C | 271.4 °C |
| Boiling point | -182.95 °C | 1563.85 °C |
| Discovery year | 1771 | 1753 |