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S8P1.b

difference between pure substance (e and c) and mixture

TermDefinition
pure substance a sample matter ,either a single element or a single compound that has definite chemical and physical properties
compound a substance made up of atoms of two or more different elements joined by chemical bonds
molecules the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
chemical formula a combination of chemical symbols and numbers to represent a substance
subscript a small number written to the right and slightly below a chemical symbol to tell the number of atoms of that element in the substance
mixture a combination of two or more substance that are not chemically combined
Created by: tolbert66
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