| Silicon ✕ | |
|---|---|
| Symbol | Si |
| Atomic number | 14 |
| Chemical property | Metalloid |
| Origin o the name | from the Latin silex, 'flint' (originally silicium) |
| Group | 14 |
| Period | 3 |
| Atomic weight (u) | 28.085 |
| Density (g/cm³) | 2.3296 |
| Melting point (K) | 1687 |
| Boiling point (K) | 3538 |
| Heat capacity (J/(g·K)) | 0.705 |
| Electro-negativity | 1.9 |
| Abundance in earth's crust (mg/kg) | 282000 |