Isotopes can be constituted-of-or-filled-with masses.Logical formLearned from3 sentences. Isotopes can be constituted-of-or-filled-with some transuranic elements.Logical formLearned from3 sentences. Proportions can be constituted-of-or-filled-with some isotope.Logical formLearned from3 sentences. An (oxygen isotope record) may undergo excursions.Logical formLearned from3 sentences. A facility can be for separatting isotopes.Logical formLearned from3 sentences. An isotope can be constituted-of-or-filled-with iodine.Logical formLearned from3 sentences. An isotope may undergo an irradiation.Logical formLearned from3 sentences. Isotopes may be used for medicine.Logical formLearned from3 sentences. Neutrons can be from an (isotope reactor).Logical formLearned from3 sentences. Radioactive isotopes can be in an environment.Logical formLearned from3 sentences. Stable isotopes can be constituted-of-or-filled-with iron.Logical formLearned from3 sentences. An isotope can be to decay.Logical formLearned from3 sentences. Stable isotopes may undergo a distribution.Logical formLearned from3 sentences. Isotopes may be formed.Logical formLearned from3 sentences. Stable isotopes may pertain-to elements.Logical formLearned from3 sentences.