Chemical Reactions Vocabulary

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chemical change

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A change of substance molecules turning into another substance(s) with different properties.

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chemical formula

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Symbols and numbers showing the types and number of atoms that repeat to make up a compound.

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chemical reaction

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A process in which substances rearrange to form new substances.

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property

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Something that can be observed about a substance, such as color, odor, or density.

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characteristic property

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A property of a substance that never changes and can be used to identify the substance.

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non-characteristic property

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A quality of a substance that can be used to describe but NOT identify a substance.

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reactant

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A starting substance that is part of a chemical reaction.

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rearrange

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To change the order or position of something.

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products

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The new substance(s) that is (are) made during a chemical reaction.

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substance

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Something that is made of all the same atoms or groups of atoms (pure substance).