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6CaO

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Wiki User

7y ago
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5mo ago

H2 is not a compound; it is a molecule of hydrogen gas composed of two hydrogen atoms. The others are compounds: H2O is water, CaO is calcium oxide, and HCl is hydrochloric acid.

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Q: Which is not a compound 8H2 H2O 6CaO 5HCl?
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