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  1. Deuterium - Wikipedia

    Deuterium ... Deuterium (hydrogen-2, symbol 2H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, 1 H. The deuterium …

  2. What Is Deuterium? Facts and Uses - Science Notes and Projects

    Feb 9, 2021 · Deuterium is the hydrogen isotope that has one proton and one neutron in its atomic nucleus. In contrast, most hydrogen is the isotope called protium, which has one proton …

  3. Deuterium | Definition, Symbol, Production, & Facts | Britannica

    Nov 1, 2025 · Deuterium, isotope of hydrogen with a nucleus consisting of one proton and one neutron, which is double the mass of the nucleus of ordinary hydrogen (one proton). It is a …

  4. What is Deuterium? - International Atomic Energy Agency

    Jan 13, 2023 · Deuterium is a stable isotope of hydrogen, which, unlike “normal” hydrogen atoms, or protium, also contains a neutron.

  5. 36 Facts About Deuterium

    Mar 3, 2025 · Discover 36 fascinating facts about deuterium, the heavy hydrogen isotope, and its crucial role in science, energy, and the universe.

  6. Deuterium | H2 | CID 24523 - PubChem

    Deuterium is an isotope of hydrogen but it is chemically identical. It is a colorless, odorless gas. It is easily ignited. Once ignited it burns with a pale blue, almost invisible flame. The vapors are …

  7. DEUTERIUM Definition & Meaning - Merriam-Webster

    The meaning of DEUTERIUM is an isotope of hydrogen that has one proton and one neutron in its nucleus and that has twice the mass of ordinary hydrogen —symbol D—called also heavy …

  8. What Is Deuterium? - Deuterium Facts - ThoughtCo

    Apr 2, 2019 · What is deuterium? Here's a look at what deuterium is, where you might find it, and some of its uses.

  9. Deuterium - Wikiwand

    Deuterium is subsequently produced by the slow stellar proton–proton chain, but rapidly destroyed by exothermic fusion reactions. The deuterium–deuterium reaction has the second …

  10. Deuterium | Springer Nature Link (formerly SpringerLink)

    Jan 1, 2023 · Definition Deuterium (Symbol: 2 H, earlier, D) (from the Greek: δεύτερος (deúteros) = “the second”) is a stable isotope of hydrogen with a relative atomic mass of 2.01410222 mu …