Symbol: I Group: Halogens Classification: Nonmetal
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The symbol for Iodine is I. This can be found on most periodic tables, or, in the case of this textbook, on the back side of the page that the periodic table is on. It is a Halogen, for it is in group 7A on the periodic table. On the periodic table in the book, it is colored green, indicating that it is a nonmetal.