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  2. Isotopes of carbon - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_carbon

    Carbon (6 C) has 14 known isotopes, from 8 C to 20 C as well as 22 C, of which 12 C and 13 C are stable.The longest-lived radioisotope is 14 C, with a half-life of 5.70(3) × 10 3 years. . This is also the only carbon radioisotope found in nature, as trace quantities are formed cosmogenically by the reactio

  3. 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 ...

  4. Category:Isotopes of carbon - Wikipedia

    en.wikipedia.org/wiki/Category:Isotopes_of_carbon

    Pages in category "Isotopes of carbon" The following 23 pages are in this category, out of 23 total. This list may not reflect recent changes. ...

  5. List of radioactive nuclides by half-life - Wikipedia

    en.wikipedia.org/wiki/List_of_radioactive...

    This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.

  6. Carbon - Wikipedia

    en.wikipedia.org/wiki/Carbon

    Carbon is the fourth most abundant chemical element in the observable universe by mass after hydrogen, helium, and oxygen. Carbon is abundant in the Sun, stars, comets, and in the atmospheres of most planets. [52] Some meteorites contain microscopic diamonds that were formed when the Solar System was still a protoplanetary disk. [53]

  7. Category:Lists of isotopes by element - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_isotopes...

    Pages in category "Lists of isotopes by element" The following 122 pages are in this category, out of 122 total. ... Isotopes of carbon; Isotopes of cerium; Isotopes ...

  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. Category:Isotopes - Wikipedia

    en.wikipedia.org/wiki/Category:Isotopes

    Isotopes of carbon (1 C, 23 P) Isotopes of cerium (56 P) Isotopes of chlorine (29 P) Isotopes of chromium (33 P) ... This list may not reflect recent changes. ...