What is indicated by the formula H 2O?
A) An atom that contains 2 hydrogen molecules and 1 oxygen molecule
B) An atom that contains 1 hydrogen atom and 2 oxygen molecules
C) A molecule that contains 2 hydrogen atoms and 1 oxygen atom
D) A molecule that contains 1 hydrogen atom and 2 oxygen atoms
E) A molecule that contains 2 hydrogen atomsand no oxygen atoms
Correct Answer:
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