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

KBr is an ionic compound and therefore has a higher melting and boiling point than molecular compounds. It is likely to be a solid or liquid at room temperature.

Molecular Compounds of Low Molecular Weight Tend to Be Gases