| General |
|---|
| Name | Fluorine | | Symbol | F | | Number | 9 | | Chemical series | Halogens | | Group / Period | 17 / 2 | | Block | p-block | | CAS registry number | 7782-41-4 |
| Physical properties |
|---|
| State | gas | | Density | 1.7 g/L | | Melting point | 53.53 K (-219.62°C, -363.32°F) | | Boiling point | 85.03 K (-188.12°C, -306.62°F) | | Critical point | 144.13 K, 5.172 MPa |
| Atomic properties |
|---|
| Atomic Weight | 18.9984032 g/mol | | Crystal structure | cubic | | Electronegativity | 3.98 | | Atomic radius | 50 pm | | Atomic radius (calculated) | 42 pm | | Electron configuration | [He] 2s2 2p5 | | Electrons per shell | 2, 7 | | Number of protons | 9 | | Number of neutrons | 10 |
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Neon