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Matter and Measurements

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definition
term
a substance that has a uniform chemical composition throughout.   pure substance  
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a blend of two or more substances, each of which retains its chemical identity.   mixture  
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a uniform mixture that has the same composition throughout.   homogeneous mixture  
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a non-uniform mixture that has regions of different composition.   heterogeneous mixture  
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a fundamental substance that cannot be broken down chemically into any simpler substance.   element  
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a pure substance that can be broken down into simpler substances by chemical reactions.   chemical compound  
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a starting substance that undergoes change during a chemical reaction.   reactant  
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a substance formed as the result of a chemical reaction   product  
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a process in which the identity and composition of one or more substances are changed.   chemical reaction  
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Created by: Seisem
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