Questions and Answers
What is a characteristic of a compound?
It is composed of atoms of two or more elements chemically united in fixed proportions
What is an example of a solution?
A sports drink
How can salt be recovered from a water solution?
By heating the solution and evaporating it to dryness
What is a characteristic of a heterogeneous mixture?
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What is a characteristic of a mixture?
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What can be done to any mixture?
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What is the key characteristic of a chemical change?
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What is the result of burning hydrogen gas in oxygen gas?
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What is an example of a physical change?
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What is the result of heating a pure copper wire in a burner flame?
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What is a characteristic of physical changes?
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What is the difference between physical and chemical changes?
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What is the key difference between the iron-sand mixture and a compound?
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What is the characteristic of particles in a solid state?
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What is the characteristic of particles in a liquid state?
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What is an example of a substance that exists in three physical states?
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What is the characteristic of crystalline solids?
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What is the term used to describe solids that do not have a regular, geometric pattern?
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Study Notes
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