Fluorine vs Silicon
| Property | F Fluorine | Si Silicon |
|---|---|---|
| Atomic number | 9 | 14 |
| Symbol | F | Si |
| Name | Fluorine | Silicon |
| Category | halogen | metalloid |
| Standard Atomic Weight | 18.998403 u | 28.085 u |
| Period | 2 | 3 |
| Group | 17 | 14 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p5 | [Ne]3s23p2 |
| Oxidation states | -1 | [-4, -3, -2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 3.98 | 1.9 |
| Electron affinity | 3.4011 eV | 1.385 eV |
| Density | 1.696 kg/m³ | 2329.6 kg/m³ |
| Melting point | -219.62 °C | 1413.85 °C |
| Boiling point | -188.12 °C | 3264.85 °C |
| Discovery year | 1886 | 1824 |