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

TermDefinition
pure substance A sample of matter either a single compuond , that has definite chemical and physical properties.
compound A substance made up of atoms of two or more different elements joined by chemical bonds.
chemical formula the smallest unit of a substance that keeps all of the physical and chemical properties of that substance .
subscript a combination of chemical symbols and numbers to represent a substance .
mixture 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.
A combination of two or more substance that are not chemically combined.
Created by: stahay31
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