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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, such as density, color, hardness.
chemical property a property of matter that describes a substance's ability to participate in chemical reactions
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 drawn out into a wire
malleability the ability of a substance to be hammered 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
evaporation the change of a substance from a liquid to a gas
sublimation the process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process)
vaporization the process by which a liquid or solid changes to a gas
element a substance that cannot be broken down into 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 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 an element that maintains the chemical properties of that element.
Created by: jh382041
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