Molecular compounds of low molecular weight tend to be gases at room temperature. Which of the following is most likely not a gas at room temperature?

Name: Molecular compounds of low molecular weight tend to be gases at room temperature. Which of the following is most likely not a gas at room temperature?
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Question

Quizplus · Accepted Answer

LiCl is an ionic compound and tends to be a solid at room temperature. The other options are all molecular compounds and therefore likely to be gases.

Molecular Compounds of Low Molecular Weight Tend to Be Gases