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unit 1.2


atom the smallest unit of an element that maintains the properties of that element
element a substance that can not be seperated or broken down into simpler substances by chemichal means
compound a substance made up of atoms of two or more diffrent elements joined by chemical bonds
mixture a combination of two or more substances that are not chemichally combined
puresubstance a sample of matter either a single element or a single compound
hetrogeno describes something that does not have a uniform structure or compisitional throughout
homogenous describes something that has a uniform structure or composition
solid the state of matter in wich the voulume and shape of a substance are fixed
liquid the state of matter that has a definite voulume but not a definite shape
gas a form of matter that does not have a definite voulume orf shape
freezing a change of state from a liquid to a solid
melting a change of state of state from a solid to a liquid
evaporation the change of state from a liquid to a gas that usally occurs at the surface ofa liquid over a wide range of tempatures
boiling the change of state from a liquid to a gas that occurs at a specific tempature
sublimation the change of state from solid directly to a gas
deposition the change of state from a gas directly to a solid
condesation the change of state from a gas to liquid
Created by: x123