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Unit 1:Matter

TermDefinition
matter anything that has mass and takes up space .
physical property a characteristics of a substance that does not involve a chemical change, such as density, color or hardness.
chemical property a property of matter that describes a substance's 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,such as pressure ,temperature,or density
ductility the ability of a substance to be hammered thin or draw out into a wire .
malleability the ability of 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 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 a liquid to a gas
sublimation the process in which a solid changes diretcly into a gas
vaporization the process by which a liquid or changes to a gas
element a substance that cannot be separated or broken down into simple substances .
compound a substance made up of atoms of two or more different elements joined by chemical bonds
heterogeneous mixture composed of dissimilar components
homogeneous mixture describes something that has a uniform structure or composition throughout
atom the smallest unit of and element that maintains the chemical properties of that element
Created by: vc451521
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