AP Chemistry : Elemental Composition of Pure Substances

Study concepts, example questions & explanations for AP Chemistry

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Example Questions

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Example Question #61 : Elemental Composition Of Pure Substances


Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching then they are bonded together as a compound. 

Which of the following describes the contents of the given image?

Possible Answers:

Mixture of Compounds and Elements

Mixture of Compounds

Mixture of Elements



Correct answer:

Mixture of Compounds


This picture contains two different types of molecules, but no lone elements. Therefore this picture is a mixture of compounds.

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