6.A Volcabulary

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anything that has mass and takes up space

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a substance that consists of only one type of atom

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a representation of a phenomenon, a system, a process, or a solution to an engineering problem that helps people visualize or understand concepts

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a molecule that consists of two atoms that are the same

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 a substance containing atoms of two or more different elements connected together

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a mixture in which two or more pure substances are evenly mixed

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another name for a homogeneous mixture

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a mixture in which two or more pure substances are not evenly mixed