Biology, 24.04.2020 08:41 cramirezorozco392
Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon atoms are different from hydrogen atoms. Carbon and hydrogen chemically combine to form methane (CH4).
Based on this information,
A.
methane is an element and carbon and hydrogen are compounds.
B.
carbon, hydrogen, and methane are all elements.
C.
carbon, hydrogen, and methane are all compounds.
D.
carbon and hydrogen are elements and methane is a compound.
Answers: 2
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Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon a...
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