Atomic Number: | 9 |
Element Symbol: | F |
Element Name: | Fluorine |
Atomic Weight: | 18.9984032 |
Group Number: | 17 |
Group Name: | Halogen |
Period Number: | 2 |
Block: | p-block |
Ground State Configuration: | 1s2 2s2 2p5 |
Ground State Level: | 2Po3/2 |
Standard State: | Gas |
Common Valences: | 1 |
Bond Length: | 141.8 |
Atomic Radius Empirical: | 50 |
Atomic Radius Calculated: | 42 |
Covalent Radius Empirical: | 71 |
Vander Waals Radius: | 147 |
Electron Affinity: | 328 |
First Ionization Energy: | 1681.0 |
Pauling Electronegativity: | 3.98 |
Sanderson Electronegativity: | 4.00 |
Allred Rochow Electronegativity: | 4.10 |
Mulliken Jaffe Electronegativity: | 3.91 |
Allen Electronegativity: | 4.193 |
Molar Volume: | 11.20 |
Refractive Index: | 1.000195 |
Melting Point: | -219.62 |
Boiling Point: | -188.12 |
Critical Temperature: | -129 |
Thermal Conductivity: | 0.0277 |
Enthalpy Of Fusion: | 0.26 (per mol F atoms) |
Enthalpy Of Vaporization: | 3.27 (per mole F atoms) |
Enthalpy Of Atmization: | 79 |
Most Common Oxidation Numbers: | -1 |
Color: | Pale yellow |
Classification: | Non-metallic |
Discovered By: | Henri Moissan |
Discovered At: | France |
Discovered When: | 1886 |
Origin Of Name: | From the Latin word fluere meaning to flow |
Calculate the molecular weight of Fluorine or molecular weight F.
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