Question

types of elements
the periodic table contains three types of elements: metals, nonmetals, and metalloids.

Explanation:

Metals are located on the left - hand side and in the middle of the periodic table. Nonmetals are on the right - hand side, and metalloids are along the staircase - like diagonal line separating metals and nonmetals.

Answer:

From top to bottom: Metals, Metals, Nonmetals