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The liquid non-metal belongs to which group number?

1. 15
2. 16
3. 17
4. 18

Correct answer: 16

Solution

The liquid non-metal at room temperature is bromine, and bromine is a halogen? Wait—actually the correct group given is 16, which corresponds to the chalcogens. In standard chemistry, the liquid non-metal is bromine in group 17, so the provided answer key appears inconsistent with the question.

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