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  2. List of elements by stability of isotopes - Wikipedia

    en.wikipedia.org/wiki/List_of_elements_by...

    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 ...

  3. Stable nuclide - Wikipedia

    en.wikipedia.org/wiki/Stable_nuclide

    The 80 elements with one or more stable isotopes comprise a total of 251 nuclides that have not been shown to decay using current equipment. Of these 80 elements, 26 have only one stable isotope and are called monoisotopic. The other 56 have more than one stable isotope. Tin has ten stable isotopes, the largest number of any element.

  4. Valley of stability - Wikipedia

    en.wikipedia.org/wiki/Valley_of_stability

    The Segrè chart may be considered a map of the nuclear valley. The region of proton and neutron combinations outside of the valley of stability is referred to as the sea of instability. [4] [5] 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 ...

  5. List of nuclides - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclides

    This represents isotopes of the first 105 elements, except for elements 87 , 102 and 104 (rutherfordium). At least 3,300 nuclides have been experimentally characterized [ 1 ] (see List of radioactive nuclides by half-life for the nuclides with decay half-lives less than one hour).

  6. Template:Isotopes table - Wikipedia

    en.wikipedia.org/wiki/Template:Isotopes_table

    The template provides a standardised table header for a List of isotopes, as is used in each of the 118 Isotopes of <element> articles. Parameters allow for adjustment of the table header structure, references and table footnotes. This header does not change existing rows: values, isotope-specific footnotes, structure, nor split decay routes ...

  7. File:Periodic Table Stability & Radioactivity.svg - Wikipedia

    en.wikipedia.org/wiki/File:Periodic_Table...

    Extremely radioactive elements: the most stable isotope has half-life less than several minutes. Very little is known about these elements due to their extreme instability and radioactivity. Note that this table only addresses the most stable isotope of each element.

  8. Isotope - Wikipedia

    en.wikipedia.org/wiki/Isotope

    A nuclide is a species of an atom with a specific number of protons and neutrons in the nucleus, for example, carbon-13 with 6 protons and 7 neutrons. The nuclide concept (referring to individual nuclear species) emphasizes nuclear properties over chemical properties, whereas the isotope concept (grouping all atoms of each element) emphasizes chemical over nuclear.

  9. Wikipedia : Featured list candidates/List of elements by ...

    en.wikipedia.org/wiki/Wikipedia:Featured_list...

    Wikipedia: Featured list candidates/List of elements by stability of isotopes. Add languages ...