F
Fluorine
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F |
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Fluorine |
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| Atomic number | 9 |
| Atomic weight | 18.998403 |
| Orbital electronic configuration | (He)2s22p5 |
| First ionization energy (eV) | 17.422 |
| Second ionization energy (eV) | 34.98 |
| Third ionization energy (eV) | 62.646 |
| Electronegativity (Pauling) | 3.98 |
| Atomic radius (Å) | 0.55 |
| Bonding radius (Å) | 0.72 |
| Oxidation states | -1 |
Properties |
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| Density (g/liter @ 0oC and 1 atm.) (gas) | 1.696 |
| Melting point (K) | 53.48 |
| Boiling point (K) | 84.95 |
| Heat of vaporization (kJ/mol) | 3.2698 |
| Heat of fusion (kJ/mol) | 0.2552 |
| Specific heat capacity (Jg-1K-1) | 0.82 |
| Crystal structure | cubic |