Multiple Choice
Which of the following best describes compounds?
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1. Intro to General Chemistry
Classification of Matter
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Which of the following diagrams best represents a mixture?
A
A diagram showing only red circles, all identical and evenly spaced.
B
A diagram showing both red and blue circles intermingled, each representing different types of particles.
C
A diagram showing pairs of red circles joined together, representing a single compound.
D
A diagram showing blue circles only, all identical and evenly spaced.
Verified step by step guidance1
Understand the definition of a mixture: a mixture contains two or more different types of particles (atoms, ions, or molecules) that are physically combined but not chemically bonded.
Identify that in a diagram representing a mixture, you should see at least two different types of particles (e.g., red and blue circles) present together but not joined or bonded.
Recognize that a diagram showing only one type of particle (all red or all blue) represents a pure substance, not a mixture.
Note that a diagram showing pairs of red circles joined together represents a compound, where particles are chemically bonded, not a mixture.
Conclude that the correct diagram for a mixture is the one showing both red and blue circles intermingled, each representing different types of particles physically combined.
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