| Silicon | |
| Elemental State | Si |
| Electron Configuration | 1s22s22p63s23p2 |
| First Ionization Potential | 8.152 eV |
| Electron Affinity | 1.385 eV |
| Z* | 4.285 (Clementi-Raimondi) |
| Pauling Electronegativity | 1.90 |
| Covalent Radius | 1.17 Å |
| Metallic Radius | |
| Ionic Radius | 0.40 Å Si4+ coordination number
= 4
0.540 Å Si4+ coordination number = 6 |
| van der Waal's Radius | 2.10 Å |
| Melting Point | 1414 oC |
| Boiling Point | 3265 oC |
| Density | 2.33 g/cm3 |
| Other Properties | |