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POM Vocabulary

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Across
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A property of matter that can be observed during a chemical reaction. A characteristic of a substance that gives the ability/inability to change its chemical makeup.
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A single kind of matter that has distinct physical and chemical properties.
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States that mass is neither created nor destroyed in a physical or chemical change.
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A combination of substances which can be easily separated by physical means.
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A substance that participates in a chemical reaction, starting substance(s), written on the left side of the chemical equation.
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Occurs when one or more physical properties of a substance are changed without changing the chemical composition of the substance itself.
Down
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A substance that forms as a result of a chemical reaction, resulting substance(s), written on the right side of the chemical equation.
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Occurs when new substances are formed with different physical and chemical properties.
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A property of matter that can be observed and measured without changing the composition or identify of the substance.
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Describes what happens in a chemical reaction.
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A pure substance, represented by symbols on the periodic table, consisting on a sample of many atoms of the same kind.
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A substance that is made of more than one kind of atom which has been chemically bonded together.