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23 Cards in this Set
- Front
- Back
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is the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany
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Chemistry
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any substance that has a definite composition
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Chemical
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a measure of the amount of matter
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Mass
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can thus be defined as anything that has mass and takes up space
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Matter
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the smallest unit of an element that maintains the chemical identity of that element
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Atom
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a pure substance that cannot be broken down into simple stable substances and is made of one type of atom
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Element
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a substance that can be broken down into simple stable substances. Each compound is made from the atoms of two or more elements that are chemically bonded
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Compound
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depend on the amount of matter that is present
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Extensive property
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do not depend on the amount of matter present
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Intensive property
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a characteristic that can be observed or measured without changing the identity of the substance
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Physical property
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a change in a substance that does not involve a change in the identity of the substance
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Physical change
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has definite volume and define shape
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solid
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a definite volume but an indefinite
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Liquid
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this matter state of matter in which atoms loss most of their electrons
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Plasma
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relates to a substance's ability to undergo changes that transforms it into different substances
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Chemical property
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a change in which one or more substances are converted into different substances
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Chemical change (chemical reaction)
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the substances that react in a chemical change
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Reactant
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the substances that are formed by the chemical change
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Product
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a blend of two or more kinds of matter, each of which retainsits own identity and properties.
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Mixture
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Mixtures that are uniform in composition
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Homogeneous
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homogeneous mixtures
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solutions
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Mixtures that arenot uniform throughoutare
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Heterogeneous
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a fixed composition
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Pure Solution
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