KnowraIsotopes of hydrogenLinked fromLinked fromThe 7 pages that link to Isotopes of hydrogen, each with the reason it gives.All 7Broader topic 1Related 2Narrower topic 3Compared with 1Heavy waterNarrower topic: Heavy water is defined by substituting a particular hydrogen isotope.Isotope hydrologyBroader topic: Their differing abundance in water helps identify sources and transport histories.ProtiumNarrower topic: Protium is the most abundant member of this isotope family.Isotopes of oxygenCompared with: Hydrogen isotope ratios often accompany oxygen ratios in studies of water and climate.John CornforthRelated: Isotopic labels let researchers track hydrogen atoms through enzyme-catalyzed reactions.Natural hydrogenRelated: Isotopic compositions can help identify hydrogen sources and reactions underground.Semiheavy waterNarrower topic: The distinction between protium and deuterium defines semiheavy water.