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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 ...
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.
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3.1 abundance, half-life trace, synthetic, stable by keyboard code. 3.2 decay mode ... Template: Infobox ruthenium isotopes. 2 languages. Simple English;
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. ...
Pages in category "Isotopes of ruthenium" The following 55 pages are in this category, out of 55 total. This list may not reflect recent changes. ...
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.
An isotopologue with a doubly substituted bond is therefore slightly more thermodynamically stable, which will tend to produce a higher abundance of the doubly substituted (or “clumped”) species than predicted by the statistical abundance of each heavy isotope (known as a stochastic distribution of isotopes).