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unit 1 : matter

TermDefinition
matter can thus be defined as anything as anything that has mass and takes up space
physical property is a characteristics that can be observed or measured without changing thee Identify of the substances
chemical property relates to substances ability to undergo changes that transform if into difference substances
physical changes a change in substance that does not involve a change in the Identify of the substance
chemical changes a change in wich one or more substances are converted into different substances
extensive changes depend on the amount of matter that is present
intensive changes do not depend on the amount of matter present
ductility the ability of a substance to be hammered think or drawn
malleability the ability of a substance to be hammered or beaten into a sheet
volume a measure of the size of the body or a region
compressibility the measure of how much a given volume matter decreases when placed under pressure
density the ratio of the mass of a substance to the volume of the substance
evaporation the change of a substance from liquid to a gas
sublimation the process in wich a solid changes directly into a gas
vaporization the process by which is a liquid or solid changes to a gas
element is a pure substance that cannot be broken down into simpler , stable substances and is made of one type of atom
compound is a substance that can be broken down into simple stale substances .
heterogenous mixture mixtures that re uniform in composition throughout are that said heterogenous
homogeneous mixture mixture that are uniform is composition are said to be homogeneous
atom is the smallest unit of an element that maintains the chemical identify of that element
Created by: il464975
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