Questions and Answers
What is a pure substance?
A pure substance is made up of only one kind of particle.
What is the difference between a solution and a mechanical mixture?
A solution is evenly mixed, while a mechanical mixture has visible parts.
What are particles according to the text?
Particles are the tiny bits that make up everything, like atoms and molecules.
Which state of matter takes both the shape and volume of its container?
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What is the particle theory of matter according to the text?
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