question: What is the second largest class of elements?
distractor3: metalloids
distractor1: carbonates
distractor2: silicates
correct_answer: nonmetals
support: Nonmetals are elements that do not conduct electricity. They are the second largest class of elements. Find the nonmetals in Figure above . They are all the elements on the right side of the table that are color-coded green. Examples of nonmetals include helium (He), carbon (C), and oxygen (O).