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38 Cards in this Set
- Front
- Back
element
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A substance that cannot be broken apart chemically into other substances.
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compound
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A pure substance made of two or more elements that are chemically combined.
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chemical reaction
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a process in which one or more substances are changed into one or more different substances.
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chemical formula
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a shorthand way to describe a compound.
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physical property
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any characteristic of matter that can be measured or detected by the senses.
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indicator
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a substance used to show the presence of an acid or base in a substance
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mass
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can be measured with a balance.
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volume
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not in a water, measure the volume of water that is displaced.
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density
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the weight of the object compared to water.
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melting point
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the temperature at which a solid turns into a liquid.
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boiling point
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the temperature at which enough energy is added to a liquid to change into a gas.
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solubility
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the measure of how much of one substance can dissolve into another.
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conductivity
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a materials ability to carry heat or electricity
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acid
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a compound that typically releases hydrogen ions.
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base
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a compound that typically receives hydrogen ions.
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ph
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the value of measured strength of acids and bases.
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salt
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a compound formed when a strong acid reacts with a strong base.
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matter
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something that takes up space.
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phases of matter
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solid, liquid, or a gas
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liquid
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a form of matter that has a definite volume but no definite shape.
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gas
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a form of matter that has no definite shape or volume.
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solid
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a form of matter that has a definite shape and volume.
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plasma
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ionized gas
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mixture
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a phisical combo of two or more substances
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homogeneous
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a mixture that is uniform throughout. evenly distributed particles
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heterogeneous
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unevenly distributed materials
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solution
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a homogeneous mixture where the parts are evenly distributed at the attomic or molecular level.
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alloy
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mixtures of two or more metals.
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melting
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from a solid to a liquid.
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freezing
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liquid to a solid
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vaporization
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the process of liquid to a gas
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evaporation
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slow or gradual vaporization
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condensation
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gas to a liquid.
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sublimation
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solid to a gas.
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physical change
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change in size shape or state of matter with no new matter being formed.
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chemical change
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when one set of substances changes to form new substances with particles that differ in the number or types of atoms.
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reactant
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when a substance enters into and is altered through the course of a chemical change.
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product
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a substance that results from a chemical change.
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