matter - Has a mass and occupies volume, pure substance - Uniform, unchanging composition, mixture - Two or more pure substances that are NOT bonded, they keep their own properties, element - Cannot be broken down by chemical means, compound - Two or more elements chemically combined. A fixed ratio., homogenous mixture - Parts blend together, uniform composition throughout sample, heterogenous mixture - NOT the same all the way through, often the parts an be seen,

Classification of Matter

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