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  2. Isotopes of ruthenium - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_ruthenium

    Naturally occurring ruthenium (44 Ru) is composed of seven stable isotopes (of which two may in the future be found radioactive). Additionally, 27 radioactive isotopes have been discovered. Of these radioisotopes, the most stable are 106 Ru, with a half-life of 373.59 days; 103 Ru, with a half-life of 39.26 days and 97 Ru, with a half-life of 2 ...

  3. Ruthenium - Wikipedia

    en.wikipedia.org/wiki/Ruthenium

    Ruthenium is a chemical element; it has symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table. Like the other metals of the platinum group, ruthenium is unreactive to most chemicals.

  4. List of elements by stability of isotopes - Wikipedia

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

    Because of their long half-lives, such isotopes are still found on Earth in various quantities, and together with the stable isotopes they are called primordial isotopes. All the primordial isotopes are given in order of their decreasing abundance on Earth. [c] For a list of primordial nuclides in order of half-life, see List of nuclides.

  5. Template:Infobox ruthenium - Wikipedia

    en.wikipedia.org/wiki/Template:Infobox_ruthenium

    Isotopes of ruthenium. Main isotopes [8] Decay; abun­dance half-life (t 1/2) mode pro­duct; 96 Ru ... abundance: no description. Unknown: optional: abundance in ...

  6. Category:Ruthenium - Wikipedia

    en.wikipedia.org/wiki/Category:Ruthenium

    Isotopes of ruthenium (55 P) Pages in category "Ruthenium" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. ...

  7. Category:Isotopes of ruthenium - Wikipedia

    en.wikipedia.org/wiki/Category:Isotopes_of_ruthenium

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  8. Natural abundance - Wikipedia

    en.wikipedia.org/wiki/Natural_abundance

    In physics, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet. The relative atomic mass (a weighted average, weighted by mole-fraction abundance figures) of these isotopes is the atomic weight listed for the element in the periodic table. The abundance of an isotope varies from ...

  9. Extended periodic table - Wikipedia

    en.wikipedia.org/wiki/Extended_periodic_table

    This is an accepted version of this page This is the latest accepted revision, reviewed on 12 November 2024. Periodic table of the elements with eight or more periods Extended periodic table Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium ...