Chemistry Vocabulary Review

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Product

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Located on the right-hand side of a chemical equation.

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Law of Conservation of Mass

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States that matter is neither created nor destroyed but can change from one form to another.

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Ecosystems

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A unit of study that describes how an ecological disruption interrupts the stability of a food web.

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Compound

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A pure substance made of one or more different types of atoms that are chemically combined in a fixed ratio.

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Physical Change

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Alters the form of a substance while maintaining its chemical composition; state of matter changes.

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Element

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A pure substance that cannot be broken down into simpler substances by chemical means.

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Chemical Change

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A process that involves the transformation of one or more substances into different substances.

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Reactant

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Located on the left-hand side of a chemical equation; substances that undergo a chemical change.

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Mixture

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A combination of two or more substances that are not chemically combined.

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Chemical Formula

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A way of expressing information about the proportions of atoms that constitute a particular chemical compound.