Fluorine
(Redirected from F)
| Fluorine | |
|---|---|
| F | |
| In situ availability: | low |
| Necessity: | useful |
| Atomic number: | 9 |
| Atomic mass: | 18.9984032 |
| group: | 17 |
| period: | 2 |
| normal phase: | Gas |
| series: | Halogens |
| density: | 1.7 g/L |
| melting point: | 53.53K, -219.62°C, -363.32°F |
| boiling point: | 85.03K, -188.12°C, -306.62°F |
| N/A ← N/A → He | |
| O ← F → Ne | |
| S ← Cl → Ar | |
| Atomic radius (pm): | 50 |
| Bohr radius (pm): | 42 |
| Covalent radius (pm): | 71 |
| Van der Waals radius (pm): | 147 |
| ionic radius (pm): | (-1) 133 |
| 1st ion potential (eV): | 17.42 |
| Electron Configuration | |
| 1s2 2s2 2p5 | |
| Electrons Per Shell | |
| 2, 7 | |
| Electronegativity: | 3.98 |
| Electron Affinity: | 3.4 |
| Oxidation states: | -1 |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Cubic |
Fluorine is a Halogen in group 17.
It has a Cubic crystalline structure.
This element has a stable isotope of 19.
Fluorine is more concentrated in the mineral KREEP than its average concentration in lunar regolith.
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