Pure Substance, Solutions and Mixtures

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homogeneous mixture

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a mixture that has a uniform composition; also known as a solution

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physical property

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any characteristic of matter that can be observed or measured without a change in its chemical composition

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matter

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anything that has mass and takes up space

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pure substance

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matter made of only one type of particle; an element or a compound

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compound

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a substance composed of two or more elements whose atoms are bonded in a specific ratio

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element

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a substance made of only one type of atom

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dissolve

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to break a substance (solute) into tiny particles when surrounded by another substance's (solvent) particles to form a solution

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solution

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a mixture that has a uniform composition; also known as a homogeneous mixture

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heterogeneous mixture

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a mixture that does not have a uniform composition