Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Isotope. Atom, Isotope analysis, Kinetic isotope effect, Isotope separation, Isotopic labeling, Stable isotope, List of elements by stability of isotopes, Isotope geochemistry, Isotopes of cobalt, Isotopes of plutonium, Isotopes of uranium, Isotopes of xenon, Isotopes of lead