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unit1 matter

QuestionAnswer
matter anything that has mass and takes up space
physical property is a characteristic that can be observed or measured without changing the identity of a substance
chemical property relates to a substance ability to undergo changes tat transform it into different substances
physical changes a change in a substance that does Not involve a change in the identify of the substance is called
chemical changes the substances that react in a chemical change are called the reactants
extensive property depend on the amount of matter That is present
intensive property do not depend on the amount of matter present
ductility the ability of a substance to be hammered thin or drawn out into a wire
malleability the ability of a substance to be hammered thin or beaten into a sheet
volume the amount of space occupied by an object
compressibilty the measure of how much a given volume decreases when placed under pressure
density ratio of mass to volume or mass divided by volume
evaporation the change of a substance that is from a liquid to a gas
sublimation the process in which a solid changes directly into a gas
vaporization the process in which a liquid changes directly into a gas
element pure substance that cant be broken
compound substance that can be broken down into simple stable substances
heterogeneous mixture mixtures that are not uniform in composition
homogeneous mixture mixtures that are uniform in composition
atom smallest unit of an element that maintains the chemical identify of that element
Created by: je383537
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