| Fluorine | |
| Electrons per shell | 2,7 |
| Electron Configuration | 1s2 2s2 2p5 ![]() |
| Ground state | 2P°3/2 |
| Atomic Volume | 17.1 cm3 mol-1 |
| Electronegativity | 3.98 |
| Magnetic ordering | Non-magnetic |
Thermal Properties |
|
| Enthalpy of Atomization | 79.08 kJ mol-1 @25°C |
| Enthalpy of Fusion | 1.02 kJ mol-1 |
| Enthalpy of Vaporisation | 3.26 kJ mol-1 |
| Heat Capacity | 31.304 J mol-1 K-1 |
| Thermal Conductivity | 27.7 W m-1 K-1 |
| Thermal Expansion | No data. |
| Critcal Temperature | 144 K (-129°C) |
| Critcal Pressure | No data. |
| Adiabatic index | No data. |
Electrical Properties |
|
| Electrical resistivity | No data. |
| Electrical conductivity | ? 106/cm Ω |
Chemical Properties |
|
| Electrochemical Equivalent | 0.70883 g Ah-1 |
| Valence Electron Potential (-eV) | -10.1 |
| Ionization Potential | |
| 17.422 | |
| 34.97 | |
| 62.707 | |
| Incompatibilities | Water, nitric acid (HNO3), oxidizers, organic compounds. |
Flammability |
|
Optical Properties |
|
| Refractive Index (gas) | 1.000195 |
Energy Levels |
|
| 0.6768 KeV | |
Atomic Radii |
|
| 50 pm | |
| 42 pm | |
| 71 pm | |
| 147 pm | |
| 53 pm | |
| No data. | |
Ionic Radii (Å) |
||||
| Charge | Coordination | Crystal | Ionic | Key |
| -1 | II | 1.145 | 1.285 | |
| III | 1.16 | 1.3 | ||
| IV | 1.17 | 1.31 | ||
| VI | 1.19 | 1.33 | ||
| 7 | VI | 0.22 | 0.08 | A |
| R, From r3 vs V plots. |
| C, Calculated from bond length - bond strength equations. |
| E, Estimated. |
| *, Most Reliable. |
| M, From Metallic Oxides. |
| A, Ahrens (1952) Ionic radius. |
| P, Pauling's (1960) Crystal Radius. |
Oxidation States |
|
| F-1 | |
Ionisation Energies (kJ mol-1) ![]() |
|
| 1681 | |
| 3374 | |
| 6050 | |
| 8408 | |
| 11023 | |
| 15164 | |
| 17867 | |
| 92036 | |
| 106432 | |
Covalent Bonds (kJ mol-1) |
|
| 159 | |
| 190 | |
| 272 | |
| 484 | |
Vapour Pressure |
||||||
| P (Pa) | 1 | 10 | 100 | 1K | 10K | 100K |
| T (K) | 38 | 44 | 50 | 58 | 69 | 85 |
Crystal Structure |
|
| Monoclinic | |
![]() |
a = 550 pm |
| b = 328 pm | |
| c = 728 pm | |
| α = 90° | |
| β = 90° | |
| γ = 90° | |