________ can be divided into the major categories of pure substances and mixtures.
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Mixtures
________ are different from compounds because their composition is not definite /fixed and parts can be physically separated.
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Oxygen gas
________ (element) and water (compound) are examples of pure substances.
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Sugar
________ dissolved in water is a matter that contains both ________ and water but is homogeneous because the smallest particles that make up ________ and water are uniformly distributed.
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Compounds
are composed of two or more elements that are chemically combined in definite proportions by Mass.
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Homogeneous matter
________ can contain more than one type of particle, but particles are uniformly distributed.
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Homogeneous
Material that has a uniform composition throughout.
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Pure substances
constant composition throughout a sample.
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Heterogeneous
Material that has varying compositions.
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chocolate chip cookie
A(n) ________ has pieces of chocolate embedded in the cookie dough.
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Mixtures
combinations of two or more pure substances that can be separated by physical means.
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