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Unit 1: Matter

TermDefinition
matter Matter can thus be defined as anything that mass and takes up space.
physical property Physical property is a characteristic that can be observed or measured without changing the identity of the substance.
chemical property A chemical property relates to a substance's ability to undergo changes that transform it into different substances.
extensive property EXT properties depend on the amount of matter that is present.
intensive property INT properties 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 or beaten into a sheet.
volume A measure of the size of a body or region in three-dimensional space.
compressibility The measure of how much a given volume of matter decreases when placed under pressure.
density The ratio of the mass of a substance to the volume of the substance often expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases.
evaporation The change of a substance from a liquid to gas.
sublimation The process in which a solid changes directly into a gas.
vaporization The process by which a liquid or solid changes to a gas.
element An element is a pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom
compound A compound is a substance that can be broken into simple stable substances. Each compound is made from the atoms of two or more elements that are chemically bonded.
heterogeneous mixture Mixtures that are not uniform throughout are said to be heterogeneous`.
homogeneous mixture Mixtures that are uniform in composition are said to be homogeneous.
atom An atom is the smallest unit of an element that maintains the chemical identity of that element.
Created by: js356300
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