Element: Fluorine (F)

Element (Atom) NameFluorine
SymbolF
Physical state at room temperatureGas
Element ClassificationNon-metal
Group NameHalogen
Period Number (Periodic table) 2
Group number (Periodic table)17
Atomic number9
Atomic weight18.998403163 (Ref: Jlab-ele009, Ciaaw-fluorine, Nist-9)
19.00 (Ref: Lanl-9)
Atomic Radius135 pm (Van der Waals) (Ref: Lanl-9)
Density0.001696 g/cm3 (Ref: Jlab-ele009)
Melting point-219.62°C (Ref: Jlab-ele009)
-219.67 °C (Ref: Lanl-9)
Boiling point-188.12°C (Ref: Jlab-ele009)
-188.11 °C (Ref: Lanl-9)
Electron shell configuration1s2 2s2 2p5
Oxidation States-1 (Ref: Jlab-ele009)
-1 ​(oxidizes oxygen) (Ref: Lanl-9)
Ionization Energy17.423 eV (Ref: Jlab-ele009)
17.42282  eV (Ref: Nist-9)
Number of Stable Isotopes1
InChIInChI=1S/F (Ref: Pubchem-9)
InChI KeyYCKRFDGAMUMZLT-UHFFFAOYSA-N (Ref: Pubchem-9)
Remarks 

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