Protium, Deuterium, and Tritium The three primary isotopes of hydrogen are protium, deuterium, and tritium, representing a progression from the most common to the rarest. Tritium, being radioactive, is also utilized in self-lighting exit signs and as a tracer in biochemical experiments, allowing scientists to follow metabolic pathways.
Hydrogen Isotope Mass Difference and Physical Properties Explained
Protium, designated as 1 H, constitutes over 99. Tritium, denoted as 3 H, contains two neutrons and is radioactive, decaying over time with a half-life of approximately 12.
For example, replacing hydrogen with deuterium in pharmaceuticals can alter the drug's metabolic rate, potentially extending its duration of action. Deuterium is a key component in deuterium-tritium fusion, a reaction that powers the sun and is pursued intensely as a potential clean energy source on Earth.
Hydrogen Isotope Mass Difference and Physical Properties Explained
98% of all naturally occurring hydrogen and serves as the baseline for the element's atomic mass. Deuterium, or 2 H, often called "heavy hydrogen," incorporates one neutron and is stable.
More About What is an isotope of hydrogen
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