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Unit 1: Matter (Sections 4-6) Vocabulary

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Across
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Matter that conforms to the shape of a container and where its particles are far apart
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The process of a solid gaining enough energy to to become a liquid
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The reverse of evaporation
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Conforms to the shape of its container but retains a (nearly) constant volume
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A mixture that is not uniform in composition
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The process where a solid turns into a gas without going through the liquid state.
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The point where a liquid reaches a certain temperature to change from a liquid to a gas or vapor
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is a substance formed when two or more chemical elements are chemically bonded together
Down
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The slow process where some particles gain enough energy that they escape from the surface of the liquid and become a gas at room temperature.
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Examples: Compounds and Elements
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The process through which a substance changes from a liquid to a solid
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The process where a gas turns into a solid without going through the liquid state.
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Combination of two or more pure substances in which the original substances retain their chemical properties.
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Elements are chemically the simplest substances and hence cannot be broken down using chemical reactions.
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Is a state of matter characterized by particles arranged such that their shape and volume are defined
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A mixture with equal proportions of its components throughout any given sample
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Basic unit of a chemical element