Fluorine



General
Atomic Number 9
Symbol F    
Relative Atomic Mass 18.99840
Year of Discovery 1771
Boiling Point (°K, °C) 84.95, -188.2
Melting Point (°K, °C) 53.55, -219.6
Geochemical Class lithophile
Principal Sources
Mineral or Other fluorite
Formula CaF2
Origin widespread
Relative Abundance (log10)
Sun 4.6
Meteorite 4.5
Earth 4.2
Crust 5.8
Ocean 7.83
Body 3.4
Isotopic Composition
Mass Number 19
% Abundance 100


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