Isotopes are diferent types of atoms that have a different ue within each and every element on the periodic table. Isotopes, in the field of chemistry, are used in order to find a definition of an isotopic signature. Isotopes are also used within biogenic substances and analyiss of such substances. Isotopes are further used in order to identify certain elements of meteorites. Isotopes are also used in order to complete the radiometric dating of objects.