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Atoms Smallest unit of an element which is still has the properties of
Molecules Small units that cannot be seen. Made of chemically combined atoms
Compounds atoms of two or more elements react with each other to create a new substance
Element substances that cannot be chemically broken down to make them simpler
ion an atom that has gained or lost at least one electron
isotope atoms of the same element that differ in their number in the number of neutrons
Created by: sabbha1