Here are the matches between the terms and their definitions:
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Solution - A type of mixture in which one substance is dissolved into another so that the mixture is homogenous but can usually be separated by physical means.
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Mixture - A substance made up of two or more substances that can be easily separated by physical means because they are not chemically bonded.
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Element - A substance made up of all the same type of atom that cannot be broken down any smaller.
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Pure substance - A substance that is the same composition throughout and cannot be separated by physical means although it can be broken down into smaller parts.