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2.1-2.2 vocab

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Term
Definition
matter   is anything that takes up and has mass  
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atom   is a small particle that is the building block of matter  
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substance   is matter with composition  
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element   is a substance made up of only one atom  
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molecule   is two or more atoms that are held together by chemical bonds  
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compound   is a substance made of two or more elements that are chemically joined in a specific combination.  
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mixture   is matter that can vary in composition  
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heterogeneous mixture   is the mixture substances are not evenly mixed  
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