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S8P1.b

Describe the difference between pure substances (elements & compounds) & mixture

TermDefinition
pure substance a sample of matter, either a single element or a single compound that has definite chemical & 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 chemical properties of that substance.
chemical formula a combo 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 elements in the substance.
mixture a combo of 2 or more substances that arent chemically combined.
Created by: 26KerCla
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