Carbon vs Silicon
| Property | C Carbon | Si Silicon |
|---|---|---|
| Atomic number | 6 | 14 |
| Symbol | C | Si |
| Name | Carbon | Silicon |
| Category | nonmetal | metalloid |
| Standard Atomic Weight | 12.0106 u | 28.085 u |
| Period | 2 | 3 |
| Group | 14 | 14 |
| Block | p | p |
| Phase at STP | solid | solid |
| Electron configuration | [He]2s22p2 | [Ne]3s23p2 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 2.55 | 1.9 |
| Electron affinity | 1.2621 eV | 1.385 eV |
| Density | 2267 kg/m³ | 2329.6 kg/m³ |
| Melting point | 3549.85 °C | 1413.85 °C |
| Boiling point | 3824.85 °C | 3264.85 °C |
| Discovery year | 1797 | 1824 |