Silicon vs Copper
| Property | Si Silicon | Cu Copper |
|---|---|---|
| Atomic number | 14 | 29 |
| Symbol | Si | Cu |
| Name | Silicon | Copper |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 28.085 u | 63.546 u |
| Period | 3 | 4 |
| Group | 14 | 11 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ne]3s23p2 | [Ar]4s13d10 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-2, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 1.9 | 1.9 |
| Electron affinity | 1.385 eV | 1.235 eV |
| Density | 2329.6 kg/m³ | 8933 kg/m³ |
| Melting point | 1413.85 °C | 1084.62 °C |
| Boiling point | 3264.85 °C | 2561.85 °C |
| Discovery year | 1824 | N/A |