Fluorine

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Fluorine is the chemical element with the symbol F and atomic number 9. Atomic fluorine is univalent and is the most chemically reactive and electronegative of all the elements. In its elementally isolated (pure) form, fluorine is a poisonous, pale, yellowish brown gas, with chemical formula F2. Like other halogens, molecular fluorine is highly dangerous; it causes severe chemical burns on contact with skin.

 

Atomic number:   9
Symbol:   F
Atomic weight:   18.9984
Boiling Point (C):   -188.2
Melting Point (C):   -219.6
Density:   1.505
heatVapor:   .755
heatFusion:   0.061
Electrical Conductivity:   --
Thermal Conductivity:   --
Specific Heat Capacity:   .18

 

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