| F | Fluorine | Halogen |
| Atomic number: | 9 | Atomic weight: | 18.9984032 | ||
| Shells: | 2,7 | Orbitals: | [He] 2s2 2p5 | ||
| Melting point: | -219.62°C | Boiling point: | -188.14°C | ||
| Covalent radius: | 0.72 | Å | Atomic volume: | 12.6 | cm³/mol |
| Atomic radius: | 0.57 | Å | Ionic radius: | 1.33 (-1) | Å |
| Electronegativity: | 3.98 | Oxidation states: | |||
| 1st ionization pot.: | 17.4228 | V | 2nd ionization pot.: | 34.97 | V |
| 3rd ionization pot.: | 62.707 | V | Specific heat: | 0.82 | J/gK |
| Heat of fusion: | 0.2552 | kJ/mol | Heat of vapor.: | 3.2698 | kJ/mol |
| Thermal conduct.: | 0.000279 | W/cmK | Electrical conduct.: | -- | 10^6/cm ohm |
| Density: | 0.001696 | g/cm³ | Valence: | 1 |