FZ =  9



Fluorine
From the Latin "fluor", meaning "a flowing"
(AM) Atomic Mass 18.9984  amu    Oxidation States -1
   (BP) Boiling Point -189.1  °C    (MP) Melting Point -219.6  °C
   (ρ) Density 0.001696  g/cm3    Crystal Structure Monoclinic
   ( χ ) Electronegativity 4    (AR) Atomic Radius 0.71  Å
   Physical State Gas (C) Heat Capacity 0.824  J/g °C
Electronic-Config 1s2  2s2  2p5     (I1) First Ionization E 1680.96  kJ/mol
   (ΔHvap) Heat of Vaporization 6.62  kJ/mol     (ΔHfus) Heat of Fusion 0.51  kJ/mol
   Year of Discovery 1886    Location of Discovery France
(E°) Standard Potential F2 (g) ⇔ 2 F- (2.870 V)
Stable isotopes  19F
Discovered/Synthesized by Ferdinand Frederic Henri Moissan
Natural Source Isolated by the electrolysis of a potassium fluoride/hydrogen fluoride mixture
Common Uses Glowing fluorite, toothpaste, nonstick cookware, CFC refrigerants
Other Info Most reactive element
Exists in nature as the diatomic molecule F2
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