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12 Cards in this Set
- Front
- Back
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compound
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a substance in which two or more elements are chemically joined in a set ratio.
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mixture
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two or more substances that are mixed together but not chemically combined.
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chemistry
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the study of the properties of matter & how matter changes.
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energy
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the ability to do work or cause change.
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element
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a substance composed of a single kind of atom, that cannot be broken down into other substances by chemical or physical means.
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matter
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anything that has mass and occupies space.
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substance
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a single kind of matter that has distinct physical and chemical properties.
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physical change
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a change that alters the form or appearance of a substance but does not make the material into another substance.
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state
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the three forms (solid, liquid & gas) in which matter exists.
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physical property
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a characteristic of a substance that can be observed without changing the substance into something else.
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chemical change
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a change in matter that produces new substances.
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chemical property
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a characteristic that is observed when a substance interacts with another substance.
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