Question

four groups are highlighted in the periodic table below. select the group of elements known as the halogens.

Explanation:

The halogens are the elements in group 17 of the periodic table. In the given periodic - table, the group with elements F, Cl, Br, I, etc. is highlighted in the right - most column among the highlighted groups.

Answer:

The group with elements F, Cl, Br, I, etc. (group 17)