AnswersIA-Chemistry A Survey of Chemistry AWriting and Balancing Chemical EquationsQuestion 6
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Writing and Balancing Chemical Equations

Question 6 • IA-Chemistry A Survey of Chemistry A

Select the description of each substance given by each chemical formula. One molecule of O2 is made of

Answer
A
one atom of oxygen.
B
one atom of osmium.
C
two atoms of oxygen.

Explanation

In O₂, the subscript 2 means each molecule contains two oxygen atoms. Therefore, one molecule of O₂ is made of two atoms of oxygen.

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