What is the structure of carbon dioxide an example of?

a. An element
b. An atom
c. A compound
d. A polar molecule


ANS: C
Compounds are formed when there are two or more elements contained in a molecule. Since carbon
dioxide contains both carbon and oxygen it is considered a compound. Water is another example.
Information can be found in the section The Water Molecule Is Held Together by Chemical Bonds

Environmental & Atmospheric Sciences

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