PERIODIC TABLE

Fluorine

Atomic No. 9 F Fluorine

About Fluorine

Fluorine is a halogen with atomic number 9 and the highest electronegativity of any element. Its compounds include fluorides used in optical components, protective coatings and specialized chemical processing. Lanthanum fluoride is used in ultraviolet optical coatings, including multilayer mirrors and filters, while calcium fluoride and magnesium fluoride provide optical crystals with useful transmission across ultraviolet and infrared wavelengths.

Properties

Atomic Number
9
Atomic Symbol
F
Atomic Mass
18.9984
CAS No.
7782-41-4
Density
1.696 g/l
Series
halogen
Melting Point
-219.6°C
Boiling Point
-188.12°C
Thermal Conductivity
0.000277 W/cm °C
Heat of Fusion
0.26 kJ/mol
Heat of Vaporization
3.27 kJ/mol
Electronegativity
3.98 pauling
Crystal Structure
Monoclinic

Fluorine Products

Browse Lorad materials associated with Fluorine and refine the list by chemistry, application, or availability.

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