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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 or a 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 the substance
Chemical formula A combination of chemical symbols and numbers to represent a substance
Subscript A number written to the right and slightly below a chemical symbol;tells the number atoms of the elements in that substance
Mixture A combination of two or more substances that are not chemically combined
Created by: 73audstu
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