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unit 1

vocabulary

TermDefinition
matter anything that has mass and takes up space.
physical property a characteristic of a substance that does not involve a chemical change such as density .
chemical property relates to a substances ability to undergo changes that transform it into different substances .
extensive property depend on the amount of matter that is present.
chemical changes the substances are formed by the chemical change are called the products.
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 of beaten into a sheet
volume a measure of the size of a body or region in three dimensional space.
compressbility 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.
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 a simpler substances by chemical means all atoms of an element have the same atomic number.
compound a substance made up of atoms of two or more different elements joined.
heterogeneous mixture mixtures that are not uniform
homogeneous mixture they have the same proportion of components
atom the smallest unit of an element that maintains the chemical properties of that element
physical change a change of matter from one form to another without a change in chemical properties.
Created by: kc339970
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