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

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 that keeps all of the physical and chemical properties of hat substance
Chemical Formula a combination 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 element in the substance
Mixture a combination of two or more substances that are not chemically combined
Created by: 94zacrob