Silicon vs Gold
| Property | Si Silicon | Au Gold |
|---|---|---|
| Atomic number | 14 | 79 |
| Symbol | Si | Au |
| Name | Silicon | Gold |
| Category | metalloid | transition-metal |
| Standard Atomic Weight | 28.085 u | 196.966569 u |
| Period | 3 | 6 |
| Group | 14 | 11 |
| Block | p | s |
| Phase at STP | solid | solid |
| Electron configuration | [Ne]3s23p2 | [Xe]6s14f145d10 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-3, -2, -1, 0, 1, 2, 3, 5] |
| Electronegativity (Pauling) | 1.9 | 2.54 |
| Electron affinity | 1.385 eV | 2.3086 eV |
| Density | 2329.6 kg/m³ | 1.928200e+4 kg/m³ |
| Melting point | 1413.85 °C | 1064.18 °C |
| Boiling point | 3264.85 °C | 2855.85 °C |
| Discovery year | 1824 | N/A |