The chemical family that the element iodine should belong to is halogen.
The following information related to the halogen is:
- It is the subset that has chemical elements i.e. reactive.
- It is in Group 17 on the periodic table that should be existed in the environment as the compounds instead of the pure elements.
- The other type of halogens should consist of fluorine (F), chlorine (Cl), etc.
Therefore we can conclude that the chemical family that the element iodine should belong to is halogen.
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