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In nuclear physics, the island of stability is a predicted set of isotopes of superheavy elements that may have considerably longer half-lives than known isotopes of these elements. It is predicted to appear as an "island" in the chart of nuclides , separated from known stable and long-lived primordial radionuclides .
Scientists have long searched for long-lived heavy isotopes outside of the valley of stability, [6] [7] [8] hypothesized by Glenn T. Seaborg in the late 1960s. [9] [10] These relatively stable nuclides are expected to have particular configurations of "magic" atomic and neutron numbers, and form a so-called island of stability.
Transuranic elements may be used to synthesize superheavy elements. [7] Elements of the island of stability have potentially important military applications, including the development of compact nuclear weapons. [8] The potential everyday applications are vast; americium is used in devices such as smoke detectors and spectrometers. [9] [10]
The darker more stable isotope region departs from the line of protons (Z) = neutrons (N), as the element number Z becomes larger. This is a list of chemical elements by the stability of their isotopes. Of the first 82 elements in the periodic table, 80 have isotopes considered to be stable. [1] Overall, there are 251 known stable isotopes in ...
In the periodic table of the elements, copernicium is a d-block transactinide element and a group 12 element. During reactions with gold , it has been shown [ 8 ] to be an extremely volatile element, so much so that it is possibly a gas or a volatile liquid at standard temperature and pressure .
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Unbihexium has attracted attention among nuclear physicists, especially in early predictions targeting properties of superheavy elements, for 126 may be a magic number of protons near the center of an island of stability, leading to longer half-lives, especially for 310 Ubh or 354 Ubh which may also have magic numbers of neutrons.
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