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OpenStudy (anonymous):
which of the follwing represents a compound. h, H2O, H-3, O-16
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OpenStudy (kittiwitti1):
\[H_2O\]is a compound of hydrogen, H, and oxygen, O. There are two hydrogen molecules, which is why there is a subscript 2 next to the H.
OpenStudy (isaiah.feynman):
A compound is defined as the chemical combination of two or more elements.
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