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S8P1.b

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

TermDefinition
pure substances a sample of matter,either a single element a single element or 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
molecule the smallest unit of a substance that keeps all of the physical and chemical properties of that substance
chemical formula a combination of chemical symbol and numbers to represent a substance
subscript a small number written to the right and slightly below a chemical symbol to tell number of atoms of that element in the substance
mixture a combination of two or more substances that are not chemically combined
Created by: young hoopa 23
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