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Hydrogen (1 H) has three naturally occurring isotopes: 1 H, 2 H, and 3 H. 1 H and 2 H are stable, while 3 H has a half-life of 12.32(2) years. [3] [nb 1] Heavier isotopes also exist; all are synthetic and have a half-life of less than 1 zeptosecond (10 −21 s). [4] [5] Of these, 5 H is the least stable, while 7 H is the most.
Radioactive isotope table "lists ALL radioactive nuclei with a half-life greater than 1000 years", incorporated in the list above. The NUBASE2020 evaluation of nuclear physics properties F.G. Kondev et al. 2021 Chinese Phys. C 45 030001. The PDF of this article lists the half-lives of all known radioactives nuclides.
Pages in category "Isotopes of hydrogen" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. ...
The fact that each isotope has one proton makes them all variants of hydrogen: the identity of the isotope is given by the number of protons and neutrons. From left to right, the isotopes are protium (1 H) with zero neutrons, deuterium (2 H) with one neutron, and tritium (3 H) with two neutrons. Isotopes are distinct nuclear species (or ...
Pages in category "Lists of isotopes by element" The following 122 pages are in this category, out of 122 total. ... Isotopes of holmium; Isotopes of hydrogen; I ...
Fusion forces together atoms of very light, stable elements like isotopes of hydrogen, creating slightly heavier elements like helium and producing as much as four times as much energy, per unit ...
Why Is JCPenney Closing More Stores? JCPenney filed for bankruptcy back in 2020. Since then, about 240 of its stores have closed. Right now, there’s about 650 locations left in the U.S.
Market Basket is one of the smaller chains on this list, but their savings make it one of the most affordable places to shop in the U.S. A recent study provided by the customer data firm dunnhumby ...