what class of elements do the highlighted elements below belong to? a. nonmetals b. metals c. metalloids d…

Brief Explanations:

In the periodic - table, elements are classified into metals, non - metals, and metalloids. Metals are located on the left - hand side and middle of the periodic table. Non - metals are on the right - hand side, and metalloids are along the staircase - like line separating metals and non - metals. The highlighted elements in a typical periodic table layout are in the region of metals.

Answer:

B. Metals