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  1. Tritium - Wikipedia

    Tritium (from Ancient Greek τρίτος (trítos) 'third') or hydrogen-3 (symbol T or 3H) is a rare and radioactive isotope of hydrogen with a half-life of 12.32 years.

  2. Radionuclide Basics: Tritium - US EPA

    Feb 6, 2025 · Tritium is a hydrogen atom that has two neutrons in the nucleus and one proton. It is radioactive and behaves like other forms of hydrogen in the environment. Tritium is …

  3. What exactly is tritium? And when is it a health concern?

    Mar 29, 2023 · But what exactly is tritium? And when is it a health concern? To understand tritium, WCCO spoke with Zack Mensinger, associate professor of chemistry at Metropolitan State …

  4. What is Tritium? (with pictures) - AllTheScience

    May 21, 2024 · Tritium is an isotope of the chemical element hydrogen. While a normal hydrogen atom has one proton, a tritium atom has two neutrons and one proton. This isotope is …

  5. Tritium | Radioactive, Hydrogen, Decay | Britannica

    Sep 13, 2025 · Tritium, (T, or 3H), the isotope of hydrogen with atomic weight of approximately 3. Its nucleus, consisting of one proton and two neutrons, has triple the mass of the nucleus of …

  6. Tritium is a prospective fuel in the effort to develop commercially viable nuclear fusion reactors. Tritium is also a critical component in modern nuclear weapons, and an inventory of tritium is …

  7. Facts about tritium

    Tritium is a radioactive isotope of hydrogen. It has the same number of protons and electrons as hydrogen but has 2 neutrons, whereas regular hydrogen does not have any. This makes …

  8. Tritium Facts (Hydrogen Isotope) - Science Notes and Projects

    Jun 18, 2024 · Tritium is the radioactive isotope of the element hydrogen. It is also known as hydrogen-3 or using the shorthand notation T or 3 H in chemical formulas and reactions.

  9. Tritium | Nuclear Regulatory Commission - NRC

    Tritium A radioactive isotope of hydrogen. Because it is chemically identical to natural hydrogen, tritium can easily be taken into the body by any ingestion path. It decays by emitting beta …

  10. 10 Interesting Facts About Radioactive Tritium - ThoughtCo

    Jan 9, 2020 · Tritium is also known as hydrogen-3 and has an element symbol T or 3 H. The nucleus of a tritium atom is called a triton and consists of three particles: one proton and two …