The only non-metal which is liquid at ordinary temperature is Br2.
A
True
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B
False
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Solution
The correct option is A True Bromine (Br2) is the only non-metal which is liquid and diatomic molecule at room temperature.
It is a dense, reddish-brown liquid evaporating at standard temperature and pressure to give an orange vapour. It is one of the only two elements on the periodic table that are liquids at room temperature other than mercury.