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2 Which group of substances contains only compounds? A C, O2, CH4, B H, He, F C CO2, CaCO3 , CH4 D F, Fe, He <
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Which group of substances contains only compounds?
A C, O2, CH4,
B H, He, F
C CO2, CaCO3 , CH4
D F, Fe, He
<

User MakotoE
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1 Answer

4 votes
C because a compound is a substance made of at least two atoms bonded together
User Garey
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