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S8P1.b

Describe difference between pure substances (elements and compounds)and mixtures

TermDefinition
Pure Substances a sample of matter, either a simple 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 & chemical properties of that sybstance
Chemical Formula a combination of chemical symbols & 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
Mixture a combination of two or more substances that are not chemically combined
Created by: 87ChaHen
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