Question

Which groups on the periodic table contain metalloids?

Groups 1–2
Groups 3–12
Groups 13–16
Groups 17–18

Answer 1

Groups 13–16.

Metalloids lie along the “staircase” between metals and nonmetals — common metalloids are B (group 13), Si and Ge (group 14), As and Sb (group 15), and Te (group 16) (Po is sometimes classed as a metalloid).