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S8P1.b

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

TermDefinition
pure subtance a sample of matter,either a single element or a single compound, that has definite physical and chemical 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 chemical and physical substances of that substance
chemical a combination of chemical symbols and numbers to represent a substance
subcript 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 substances that aren't chemically combined
Created by: 09kesmum
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