A (daughter isotope) can be stable.Logical formLearned from3 sentences. (Oxygen isotopes) may undergo concentrations.Logical formLearned from3 sentences. Isotopes can be in (moon rocks).Logical formLearned from3 sentences. (Oxygen isotope ratios) may undergo an analysis.Logical formLearned from3 sentences. A sum may pertain-to isotopes.Logical formLearned from3 sentences. Uranium may consist of some isotopes.Logical formLearned from3 sentences. Stable isotopes can be tools.Logical formLearned from3 sentences. (Plutonium isotopes) may persist for thousands of years.Logical formLearned from3 sentences. Isotopes can be plentiful.Logical formLearned from3 sentences. Isotopes may be used in nuclear medicine.Logical formLearned from3 sentences. A male may discover an isotope.Logical formLearned from3 sentences. Atoms can be constituted-of-or-filled-with some isotope.Logical formLearned from3 sentences. An isotope may pertain-to an (element beryllium).Logical formLearned from3 sentences. Targets may be enriched with stable isotopes.Logical formLearned from3 sentences. A new synthesis may be needed for incorporation of an isotope of interest.Logical formLearned from3 sentences.