Cobalt vs Tin
| Property | Co Cobalt | Sn Tin |
|---|---|---|
| Atomic number | 27 | 50 |
| Symbol | Co | Sn |
| Name | Cobalt | Tin |
| Category | transition-metal | post-transition-metal |
| Standard Atomic Weight | 58.933194 u | 118.71 u |
| Period | 4 | 5 |
| Group | 9 | 14 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s23d7 | [Kr]5s24d105p2 |
| Oxidation states | [-3, -1, 0, 1, 2, 3, 4, 5] | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 1.88 | 1.96 |
| Electron affinity | 0.661 eV | 1.112 eV |
| Density | 8860 kg/m³ | 7287 kg/m³ |
| Melting point | 1494.85 °C | 231.93 °C |
| Boiling point | 2926.85 °C | 2601.85 °C |
| Discovery year | 1735 | N/A |