Potassium vs Tin
| Property | K Potassium | Sn Tin |
|---|---|---|
| Atomic number | 19 | 50 |
| Symbol | K | Sn |
| Name | Potassium | Tin |
| Category | alkali-metal | post-transition-metal |
| Standard Atomic Weight | 39.0983 u | 118.71 u |
| Period | 4 | 5 |
| Group | 1 | 14 |
| Block | s | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ar]4s1 | [Kr]5s24d105p2 |
| Oxidation states | [-1, 1] | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 0.82 | 1.96 |
| Electron affinity | 0.5014 eV | 1.112 eV |
| Density | 890 kg/m³ | 7287 kg/m³ |
| Melting point | 63.38 °C | 231.93 °C |
| Boiling point | 758.85 °C | 2601.85 °C |
| Discovery year | 1807 | N/A |