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S8P1.b

Describe the difference between pure substances and mixtures

TermDefinition
pure substance a sample of matter either a single element or a single compound that has definite chemical or physical properties
compound a substance made up of atoms of two or more different elements joined by chemical bonds
molecule the smallest unit of 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 character or symbol written directly beneath or next to and slightly below a letter or number
mixture a combination of two or more substances that are not chemically combined
Created by: 94tysguy
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