A) name one non metal that exists as single atoms? B) name a non metal that exists as a liquid at ordinary temperatures.?

1 Answer
anor277
Oct 25, 2017

#A.# #"Helium"#, or any other Noble gas...occurs as the monoatomic gas....

Explanation:

And about the only non-metal that exists as a liquid is bromine, #Br_2#, which is one of the hazardous substances in a laboratory...and is treated with great respect.

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