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S8P1.b

describe the difference between pure substances (e and c)and mixtures

TermDefinition
pure substance a sample of matter either a single element or compound that has definite chemical and physical property
compound a substance made up of atoms of two or more different elements joined by chemical bonds
molecule the smallest unit that keep 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 below a chemical symbol to tell the number of atoms of that element in the substance
mixture a combination of two or more substances that are not chemically combined
Created by: 35lavlan
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