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Ch.11 Les.1

Science vocab ch11 les1

TermDefinition
matter anything that has mass and takes up space
atom small particle that is the building block of matter
substance matter with a composition that's always the same
element substance made of only one kind of atom
molecule two or more atoms that are held together by chemical bonds and act as a unit
compound substance made of two or more elements that are chemically joined in a specific combination
mixture matter that can vary in composition
Homogeneous Mixture a mixture in which two or more substances are evenly mixed, but not bonded together (ex: sugar water)
Heterogeneous Mixture a mixture in which the substances are not evenly mixed (ex: trail mix)
Created by: mrs.wills
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