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ATOMIC NUMBER: 53
UNIQUE PROPERTIES:: 1. Used in medicine, photography, and dyes. 2. It is violet-grey in apperance. 3. It is least reactant of the halogens.
NEUTRONS: 74 ELECTRONS: 53 PROTRONS:53
IODINE
GROUP: 5 PERIOD: 18
SYMBOL: I
IODINE IS IN THE HALOGENS GROUP!
THE ATOMIC MAS NUMBER IS 126.90