An isotope may have a half-life of some hours.Logical formLearned from6 sentences. An isotope can be constituted-of-or-filled-with nitrogen.Logical formLearned from6 sentences. Isotopes can be useful.Logical formLearned from6 sentences. Isotopes can be constituted-of-or-filled-with polonium.Logical formLearned from6 sentences. Isotopes can be fertile.Logical formLearned from6 sentences. Isotopes may pertain-to a deity.Logical formLearned from6 sentences. An isotope can be constituted-of-or-filled-with chlorine.Logical formLearned from6 sentences. Isotopes of an element may have a number of protons.Logical formLearned from6 sentences. Stable isotopes may undergo a measurement.Logical formLearned from6 sentences. Isotopes can be atoms.Logical formLearned from6 sentences. Capsules can be constituted-of-or-filled-with (cesium isotopes).Logical formLearned from6 sentences. A ratio of radioactive isotopes may depend on alpha.Logical formLearned from6 sentences. A (player development contract) can be with isotopes.Logical formLearned from6 sentences. Isotopes may undergo a fission.Logical formLearned from6 sentences. A reactor may fuse (hydrogen isotopes).Logical formLearned from6 sentences.