Silicon vs Antimony
| Property | Si Silicon | Sb Antimony |
|---|---|---|
| Atomic number | 14 | 51 |
| Symbol | Si | Sb |
| Name | Silicon | Antimony |
| Category | metalloid | metalloid |
| Standard Atomic Weight | 28.085 u | 121.76 u |
| Period | 3 | 5 |
| Group | 14 | 15 |
| Block | p | p |
| Phase at STP | solid | solid |
| Electron configuration | [Ne]3s23p2 | [Kr]5s24d105p3 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 1.9 | 2.05 |
| Electron affinity | 1.385 eV | 1.07 eV |
| Density | 2329.6 kg/m³ | 6685 kg/m³ |
| Melting point | 1413.85 °C | 630.63 °C |
| Boiling point | 3264.85 °C | 1586.85 °C |
| Discovery year | 1824 | 1707 |