Deuterium is one of the isotopes of hydrogen. It is a stable isotope with 0. There is a proton and a neutron in the nucleus of deuterium. Therefore, its mass number is two, and the atomic number is one. We call this isotope as heavy hydrogen and is shown as 2H. However, most commonly, we represent it with D. Deuterium can exist as a diatomic gaseous molecule with the chemical formula D2. However, the possibility of joining two D atoms in nature is low due to the lower abundance of it.
Therefore, this isotope mostly binds with a 1H atom making a gas -HD hydrogen deuteride. Also, two deuterium atoms can bind with oxygen to form the water analog D2O, which we call heavy water.
Moreover, molecules with deuterium show different chemical and physical properties than the hydrogen analog of them. For example, it can exhibit a kinetic isotope effect. Protium: Protium is an isotope of Hydrogen that is composed of one proton and one electron. Deuterium: Deuterium is an isotope of Hydrogen that is composed of one proton, one neutron, and one electron.
Tritium: Tritium is an isotope of hydrogen that is composed of one proton, two neutrons, and one electron. Protium: The abundance of Protium is about Deuterium: The abundance of Deuterium is about 0. Tritium: Tritium is found in very trace amounts.
Protium: The symbol for Protium is 1 H. Deuterium: The symbol for Deuterium is 1 H. Tritium: The symbol for Tritium is 1 H. Deuterium: The mass number of Deuterium is 2.
Protium: The atomic mass of Protium is 1. Deuterium: The atomic mass of Deuterium is 2. Tritium: The atomic mass of Tritium is 3. Protium, Deuterium and Tritium are three isotopes of hydrogen. Apart from these isotopes, there can be some other forms of hydrogen as well.
But they are highly unstable due to the presence of a high number of neutrons. The main difference between Protium Deuterium and Tritium is that Protium has no neutrons in its nuclei while Deuterium is composed of one neutron and Tritium is composed of two neutrons.
Boundless, 20 Sept. Available here. Jun 19, Scientific terms can be confusing. DOE Explains offers straightforward explanations of key words and concepts in fundamental science. Deuterium-Tritium Fusion Reactor Fuel. There is only one proton in the nucleus of all isotopes of hydrogen, but the number of neutrons varies.
Deuterium-Tritium Fuel Facts Water made from deuterium is about 10 percent heavier than ordinary water. Sources of tritium on Earth include natural production from interactions with cosmic rays, energy-producing nuclear fission reactors such as the heavy water CANDU reactor, and nuclear weapons testing.
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:. Skip to main content. Nonmetallic Elements. Search for:. Isotopes of Hydrogen. Key Points Protium is the most prevalent hydrogen isotope, with an abundance of It consists of one proton and one electron. It is typically not found in its monoatomic form, but bonded with itself H 2 or other elements. Deuterium is a hydrogen isotope consisting of one proton, one neutron and one electron.
It has major applications in nuclear magnetic resonance studies. Tritium is a hydrogen isotope consisting of one proton, two neutrons and one electron.
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