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science

compounds and mixtures

QuestionAnswer
What is an element? A substance made of only one type of atom.
What is a compound? Two or more elements chemically combined in fixed proportions.
Give TWO differences between a compound and a mixture. Compounds are chemically combined and have fixed proportions; mixtures are physically mixed and have no fixed proportions.
Why do compounds have different properties from their constituent elements? A: The elements are chemically combined to form a new substance.
What are the two components of a solution? Solute and solvent.
Give THREE ways to increase the rate of dissolving. Increase temperature, stir the solution, and use smaller particles.
What is a suspension? A mixture containing insoluble particles in a solvent.
Created by: user-2061624
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