Carbon vs Cobalt
| Property | C Carbon | Co Cobalt |
|---|---|---|
| Atomic number | 6 | 27 |
| Symbol | C | Co |
| Name | Carbon | Cobalt |
| Category | nonmetal | transition-metal |
| Standard Atomic Weight | 12.0106 u | 58.933194 u |
| Period | 2 | 4 |
| Group | 14 | 9 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s22p2 | [Ar]4s23d7 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-3, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 2.55 | 1.88 |
| Electron affinity | 1.2621 eV | 0.661 eV |
| Density | 2267 kg/m³ | 8860 kg/m³ |
| Melting point | 3549.85 °C | 1494.85 °C |
| Boiling point | 3824.85 °C | 2926.85 °C |
| Discovery year | 1797 | 1735 |