cody johns. fluorine(f) chlorine(cl) bromine(br) 1886- isolated by ferdinand-frèdèric- henri...
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Halogen Family
Cody Johns
Who Discovered The Halogen Atoms?
Fluorine(F)
Chlorine(Cl)
Bromine(Br)
1886- Isolated by Ferdinand-Frèdèric-Henri Moissan (France).
1774- Prepared by Carl Wilhelm Scheele (Sweden), Identified by Sir Humphry Davy (UK) in 1810.
1826- Discovered by Antoine-Jérôme Balard (France).
Other Discoverers
Iodine(I)
Astatine(At)
1811- Discovered by Bernard Courtois (France).
1940- Synthesized by Dale R. Corson & K.R. Mackenzie (USA) & Emilio Segrè (Italy/USA).
Common Properties
All highly reactive with Alkali Metals Also all very reactive with Alkali Earth
Metals All halogen family elements have 7 outer
valance electrons
Elements in the Halogen Family
FLUORINE, CHLORINE, BROMINE, IODINE, ASTATINE
Uses Of These Elements
•Toothpaste•Swimming Pool Cleaners•Disinfectants•Cooling Agents•Photograph•Water Cleaners
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