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Subdirectories of Halogens:
Astatine (10)
Bromine (10)
Chlorine (11)
 Fluorine (9)
Iodine (11)

Websites on Halogens:
The Chemistry of the Halogens
Covers their properties, methods of preparation, general trends, the hydrogen halides, and oxyacids of the halogens and their salts.
Visual Elements: The Halogens
Overview, general properties, and chemical data for the group.

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