Question

Use the periodic table to find the charge of the ion that each atom is most likely to form.

The charge of a sulfur (S) ion is
The charge of a potassium (K) ion is
The charge of a boron (B) ion is
The charge of an iodine (I) ion is
The charge of a bromine (Br) ion is

Answer 1

- Sulfur (S): 2− (S^2−) — gains 2 electrons to complete its octet (group 16).
- Potassium (K): 1+ (K^+) — loses 1 electron to reach a noble gas configuration (group 1).
- Boron (B): 3+ (B^3+) — typically loses 3 electrons (group 13).
- Iodine (I): 1− (I^−) — gains 1 electron (group 17).
- Bromine (Br): 1− (Br^−) — gains 1 electron (group 17).