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Unit 1 : Matter
Term | Definition |
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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 |
extensive property | a property that depends on extent or size of a system |
intensive property | a property that does not depend on the amount of matter |
ductility | the ability of a substance to be hammer thin or drawn out into a wire |
malleability | the ability of a substance to be hammered |
volume | a measure of the size of a body |
compressibility | the measure of how much a given volume decreases when placed under pressure |
density | the ratio of a mass |
evaporation | change of substance from a liquid to a gas |
sublimation | the process in which a solid changes into a gs |
vaporization | the process in which a liquid changes into a gas |
element | a substance that cannot be separated or broken |
compound | a substance made up of 2 or more atoms |
heterogeneous mixture | composed of dissimilar compounds |
homogeneous mixture | describes something that has uniform structure |
atom | smallest unit of a element |
chemical changes | a change that occurs when one or more substances |
physical change | a change of matter from one form to another without a change of chemical properties |