Final answer:
Chlorine (CI) is the nonmetal element based on its location on the periodic table. It belongs to group 17, known as the halogens.
Step-by-step explanation:
The element that is a nonmetal based on its location on the periodic table is Chlorine (CI). On the periodic table, nonmetals are found on the right side in groups 14-16. Chlorine is located in group 17, also known as the halogens, which are highly reactive nonmetals.
Learn more about Nonmetal element on the periodic table