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# Which three groups of the Periodic Table contain the most elements classified as metalloids (semimetals)?

$(a)\;1,2 \;and\; 13 \\(b)\;2,13 and \;14 \\ (c)\;14,15\;and\;16 \\ (d)\;16,17\;and\;18$

Go to the Periodic Table and note the location of the stepped line dividing metals and nonmetals.
Elements next to the left or right of this line are metalloids. Choice three includes 5 metalloids.
Hence c is the correct answer.