Flashcards - Pure Substances, Solutions, Mixtures

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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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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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Element

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A substance made of only one type of atom.

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Heterogeneous Mixture

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A mixture that has ingredients combined but not uniformly mixed together.

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Homogeneous Mixture

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A mixture that has ingredients uniformly mixed together.

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Three states of matter: solid, liquid, and gas.

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Matter is anything that has volume and mass. It exists in three states: solid, liquid, and gas.

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Physical Property

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A characteristic that can be observed or measured without changing the substance.

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Illustration of gold nuggets, pure elemental gold, and an atom of gold

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A pure substance is a single substance, either an element or a compound, with definite composition and properties.

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A diagram showing the process of forming a solution by adding a solute to a solvent.

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A solution is a liquid mixture with a uniform composition formed when a solute is added to a solvent.