Carbon vs Oxygen
| Property | C Carbon | O Oxygen |
|---|---|---|
| Atomic number | 6 | 8 |
| Symbol | C | O |
| Name | Carbon | Oxygen |
| Category | nonmetal | nonmetal |
| Standard Atomic Weight | 12.0106 u | 15.9994 u |
| Period | 2 | 2 |
| Group | 14 | 16 |
| Block | p | p |
| Phase at STP | solid | gas |
| Electron configuration | [He]2s22p2 | [He]2s22p4 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-2, -1, 0, 1, 2] |
| Electronegativity (Pauling) | 2.55 | 3.44 |
| Electron affinity | 1.2621 eV | 1.4611 eV |
| Density | 2267 kg/m³ | 1.429 kg/m³ |
| Melting point | 3549.85 °C | -218.79 °C |
| Boiling point | 3824.85 °C | -182.95 °C |
| Discovery year | 1797 | 1771 |