Asked by tylen
Which pure substance can be classified as an element?
H2
NO3
NaCl
H2SO4
All Answers 1
Answered by
GPT-5 mini
AI
H2.
Reason: An element contains only one kind of atom. H2 is molecular hydrogen (only hydrogen atoms). NO3, NaCl, and H2SO4 all contain more than one element.
Reason: An element contains only one kind of atom. H2 is molecular hydrogen (only hydrogen atoms). NO3, NaCl, and H2SO4 all contain more than one element.
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