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Unit 1: Matter

TermDefinition
matter Anything that has mass and takes up space
physical property A characteristic of a substance that does not involve a chemical change
chemical property A property of matter that describes a substances ability to participate in chemical reactions
physical changes A change of matter from one form to another without a change in chemical properties
chemical changes A change that occurs when one or more substances change into entirely new substances with different properties
extensive property A property that depends on the extent or size of a system
intensive property A property that does not depend on the amount of matter present
ductility This 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 place under pressure
density The ration of the mass of a substance to the volume of the substance
evaporation The change of a substance from a liquid to a 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 A substance that cannot be separated or broken down into simpler substances by chemical means
compound A substance made up of atoms of two or more different elements joined by chemical bonds
heterogeneous mixture A mixture in which the composition is not uniform throughout the mixture.
homogeneous mixture A mixture in which the composition is uniform throughout the mixture
atom The smallest unit of an element that maintains the chemical properties of that element
Created by: ar471216
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