Which of the following chemical compounds contains two hydrogen atoms in every molecule? A. water (H2O) B. molecular oxygen (O2) C. carbon dioxide (CO2) D. calcium carbonate (CaCO3)

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asked Dec 6, 2020 98.0k views

4 votes

Which of the following chemical compounds contains two hydrogen atoms in every molecule?

A.
water (H2O)
B.
molecular oxygen (O2)
C.
carbon dioxide (CO2)
D.
calcium carbonate (CaCO3)

Chemistry
middle-school

TheHooligan asked

by TheHooligan

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2 Answers

1 vote

Answer:

water (H2O)

Step-by-step explanation:

Philippe Delteil answered Dec 8, 2020

by Philippe Delteil

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4 votes

Answer:

A. Water

Step-by-step explanation:

H2O means that there are two hydrogen and one oxygen in every water molecule.

Dlewin answered Dec 11, 2020

by Dlewin

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