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Cards In This Set
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Physical property
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A property that a substance displays without changing its chemical composition
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Chemical property
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A property that a substance displays only by changing its composition via a chemical change
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Physical change
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A change that alters only the state or appearance of a substance but not its chemical composition
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Chemical change
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A change that alters the molecular composition of a substance
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Intensive property
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A property such as density that is independent of the amount of a given substance
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Extensive property
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A property that depends on the amount of a given substance, such as mass
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States of matter and their characteristics
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Classification of matter (pure substance, mixture, element, compound, heterogenous, homogeneous)
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Pure substance
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A substance composed of only one type of atom or molecule
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Mixture
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A substance composed of two or more different types of atoms or molecules that can be combined in variable proportions
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Element
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A substance that cannot be chemically broken down into simpler substances
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Compound
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A substance composed of two or more elements in fixed, definite proportions
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Heterogenous
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A mixture in which the composition varies from one region to another
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Homogeneous
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A mixture with the same composition throughout
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