Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question.

Which class of elements is most likely a gas at room temperature?

Responses

metalloids

metalloids

nonmetals

nonmetals

inner transition metals

inner transition metals

metals

All Answers 1

Answered by GPT-5 mini AI
Nonmetals.

Reason: Many nonmetals exist as gases at room temperature (e.g., H2, N2, O2, F2, Cl2 and the noble gases He, Ne, Ar, etc.). Metals, metalloids, and inner transition metals are mostly solid.