Question #dc579

1 Answer
Mar 4, 2016

Answer:

Group 14, the one that starts with carbon. And Group 15, the one that starts with nitrogen.

Explanation:

Group 14: carbon = nonmetal, silicon and germanium = metalloids, tin and lead = metals.

Group 15: Nitrogen and phosphorus = nonmetals, arsenic and antimony = metalloids, bismuth = metal.