what is the common ion charge for iodine, i?

Explanation:

Step1: Locate iodine in periodic table

Iodine is in group 17 (halogens).

Step2: Determine ion - formation behavior

Halogens gain 1 electron to achieve a stable octet.

Step3: Find the ion charge

Gaining 1 electron gives a charge of - 1.

Answer:

• 1