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29 Cards in this Set
- Front
- Back
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atom
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the smallest particle of a substance that has all of the properties of that substance
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boiling point
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the temperature at which a substance changes from a liquid to a gas
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chemical change
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a change that produces a new substance
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chemical property
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the ability of a substance to change into a new substance with different properties
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chemical reactions
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the changes that occur during a chemical change
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condensation
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the process of changing from a gas to a liquid
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condensation point
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the temperature at which a substance changes from a gas to a liquid
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condense
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the change from a gas to a liquid as the temperature decreases
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density
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the amount of mass in a known volume of an object or substance
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dissolve
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to form a solution with another substance
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evaporate
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to change from a liquid to a gas
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evaporation
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the process of changing from a liquid to a gas
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freeze
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the change from a liquid to a solid when the temperature drops
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freezing point
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the temperature at which a substance changes from a liquid to a solid
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gas
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a state of matter in which the substance takes both the shape and volume of its container
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liquid
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a state of matter in which the substance has a definite volume and takes the shape of its container
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melting point
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the temperature at which a substance changes from a solid to a liquid
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mixture
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a combination of two or more substances that do not form a new substance
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physical change
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a change from one form to another form without turning it into a new substance
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physical property
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a property that can be observed, measured, or changed without changing the substance itself
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property
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the characteristic of a substance
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solid
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a state of matter in which the substance has a definite shape and a definite volume
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solubility
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a measure of how much of one substance will dissolve in another substance
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solution
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a mixture of one substance spread out evenly in another substance so that you cannot tell the two substances apart
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state of matter
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a form that matter can take--solid, liquid, or gas
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suspension
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a mixture in which floating particles can be seen
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temperature
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the average speed of particles in a substance
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volume
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the amount of space that an object or substance takes up
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water vapor
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the gaseous state of water
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