Fluorine
Chlorine
Bromine
Iodine
Astatine
Ununseptium (presumably would behave as a halogen)
Halogens
List of Elements Belonging to the Halogen Group
By Anne Marie Helmenstine, Ph.D., About.com
Iodine is one of the halogens.
RTC, wikipedia.org
This is a list of elements that belong to the halogen group.
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