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33 Cards in this Set
- Front
- Back
a shorthand method used to show the number and type of atoms present in the smallest representative unit of a substance
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chemical formula
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a combination of 2 or more elements. a compound has very different properties from those of the elements that make it up and is normally difficult to break down into elements
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compound
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a material through which heat can move in conduction; a material through which electrons can move easily.
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conductor
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to form a solution
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dissolve
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elements
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a substance that cannot be broken down anymore
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a kind of matter that has no definite shape or volume and tends to fill whatever space is available to it.
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gas
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a kind of matter that has a definite volume but takes the shape of the container that holds it
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liquid
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a substance made of two or more substances that could vary in amount and often are easily separated.
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mixture
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the property of matter that has three common forms- solid, liquid, and gas- and one rare form- plasma, which exists at high temperatures
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phase
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matter, existing at very high temperatures, that consists of bare nuclei and free elctrons
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plasma
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a quality that can be used to describe something so that it can be distinquished from soemthing else
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property
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a solution that contains the maximum amount of solute that will dissolve at a given temperatures
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aturated solution
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a kind of matter that has a definite volume and that keeps it in shape when put in a container of another shape.
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solid
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the substance that dissolves in another substance [sugar dissolves in water, water is solute]
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solute
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the substance in which another substance dissolves
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solvent
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a special kind of mixture in which the substances are spread evenly throughout each other
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solution
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a particular kind of matter. water, wood, and glass are each different kinds of matter and substances
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substance
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a solution that contains less then the maximum amount of solute that will dissolve at a given temperature
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unsaturated solution
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the process in which bubbles of gas form within a liquid that has been heated to a high enough temperature
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boiling
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the temperature at which boiling begins
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boiling point
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a change that produces a new substance
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chemical change
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able to burn
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combustible
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burning: a chemical change in which the substance combines with oxygen
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combustion
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the change in phase from gas to liquid, the reverse of evaporation or boiling
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condensation
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the change in phase from liquid to gas at a temperature below the boiling temperature
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evaporation
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the change in phase from liquid to solid
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freezing
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the change in phase from solid to liquid
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melting
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the temperature at which a substance beings to melt
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melting point
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a change in the properties of a substance without a change in the substance itself.
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physical change
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a term applied to a substance that is able to dissolve in a particular substance
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soluble
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the change from solid to gas or gas to solid without going through the liquid phase
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sublimation
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a device to control heating and cooling
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thermostat
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water in the gas phase
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water vapor
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