Silicon vs Chlorine
| Property | Si Silicon | Cl Chlorine |
|---|---|---|
| Atomic number | 14 | 17 |
| Symbol | Si | Cl |
| Name | Silicon | Chlorine |
| Category | metalloid | halogen |
| Standard Atomic Weight | 28.085 u | 35.4515 u |
| Period | 3 | 3 |
| Group | 14 | 17 |
| Block | p | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ne]3s23p2 | [Ne]3s23p5 |
| Oxidation states | [-4, -3, -2, -1, 0, 1, 2, 3, 4] | [-1, 1, 2, 3, 4, 5, 6, 7] |
| Electronegativity (Pauling) | 1.9 | 3.16 |
| Electron affinity | 1.385 eV | 3.6127 eV |
| Density | 2329.6 kg/m³ | 3.214 kg/m³ |
| Melting point | 1413.85 °C | -101.5 °C |
| Boiling point | 3264.85 °C | -34.04 °C |
| Discovery year | 1824 | 1774 |