Final answer:
Metalloids, like arsenic, exhibit properties of both metals and nonmetals and are located along the stair-step line in the periodic table.
Explanation:
Metalloids are elements that have properties of both metals and nonmetals. They are found along the stair-step line in the periodic table. Arsenic is a metalloid as it falls on this line between the metals and nonmetals with properties of both.
Learn more about Metalloids in the periodic table
