Isotopes of tin
Nuclides with atomic number of 50 but with different mass numbers / From Wikipedia, the free encyclopedia
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Tin (50Sn) is the element with the greatest number of stable isotopes (ten; three of them are potentially radioactive but have not been observed to decay). This is probably related to the fact that 50 is a "magic number" of protons. In addition, twenty-nine unstable tin isotopes are known, including tin-100 (100Sn) (discovered in 1994)[4] and tin-132 (132Sn), which are both "doubly magic". The longest-lived tin radioisotope is tin-126 (126Sn), with a half-life of 230,000 years. The other 28 radioisotopes have half-lives of less than a year.
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Standard atomic weight Ar°(Sn) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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