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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 (Ca…

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 (Ca…
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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)

User TheHooligan
by
8.4k points

2 Answers

1 vote

Answer:

water (H2O)

Step-by-step explanation:

User Philippe Delteil
by
8.1k points
4 votes

Answer:

A. Water

Step-by-step explanation:

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

User Dlewin
by
8.7k points
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