Silicon
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | Si |
| Atomic Number: | 14 |
| Atomic weight: | 28.0855u |
| Melting Point: | 1685K |
| Boiling Point: | 3540K |
| Number of Protons/Electrons: | 14 |
| Number of Neutrons: | 14 |
| Classification: | Metalloid |
| Crystal Structure: | Face Center Cubic |
| Density | 2.33g/mL |
| Color: | grey |
| Bonding radius: | 1.11A |
| Atomic radius: | 1.46A |
| Ionization Potential: | 8.151V |
| Electronegativity: | 1.9 |
| Heat of vaporization: | 384.22kJ/mol |
| Heat of fusion: | 50.55kJ/mol |
| Specific heat: | 0.71J/gK |
| Electron configuration: | [Ne]3s23p2 |
Crystal Structure
| Isotope | Half Life |
| Si28 | Stable |
| Si29 | Stable |
| Si30 | Stable |
| Si31 | 2.62 hours |
| Si32 | 100 years |
| Date of Discovery: | 1823 |
| Discoverer: | Jons Berzelius |
| Uses: | glass, semiconductors |
| Obtained From: | Second most abundant element. Found in clay, granite, quartz, sand |