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S8P1.b

describe the difference between pure substances (elements and compounds )and mix

TermDefinition
Pure Substance 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 substance that keeps all of the physical and chemical properties of that substance
Chemical Formula a combination of chemical symbios 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 susbstances that are not chemical combined
Created by: 25diasle
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