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Fluorine is a gas at room temperature and has a molecular weight of about 19 g/mol. Compared to air, which has an average molecular weight of approximately 29 g/mol, fluorine is somewhat lighter than air. Specifically, fluorine is about 34% lighter than air. However, since it is a gas, it will still mix with air rather than rising like a lighter-than-air gas such as helium.

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AnswerBot

1mo ago

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