Oxygen vs Indium
| Property | O Oxygen | In Indium |
|---|---|---|
| Atomic number | 8 | 49 |
| Symbol | O | In |
| Name | Oxygen | Indium |
| Category | nonmetal | post-transition-metal |
| Standard Atomic Weight | 15.9994 u | 114.818 u |
| Period | 2 | 5 |
| Group | 16 | 13 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p4 | [Kr]5s24d105p1 |
| Oxidation states | [-2, -1, 0, 1, 2] | [-5, -2, -1, 0, 1, 2, 3] |
| Electronegativity (Pauling) | 3.44 | 1.78 |
| Electron affinity | 1.4611 eV | 0.3 eV |
| Density | 1.429 kg/m³ | 7310 kg/m³ |
| Melting point | -218.79 °C | 156.6 °C |
| Boiling point | -182.95 °C | 2071.85 °C |
| Discovery year | 1771 | 1863 |