銫嘅同位素

銫嘅同位素之中只係有一個是穩定嘅，佢係133Cs，其餘嘅都係唔穩定。但係唔穩定嘅銫同位素中，仍有半衰期非常長嘅銫同位素，例如135Cs，半衰期有成2.3×106年，但係由於佢唔喺半衰鏈上，換句話講，唔會有其它元素，喺衰變後產生放射性同位素，或者能夠衰變成呢尐嘢嘅同位素本身唔穩定或難以存在，因此導致133Cs嘅豐度係100%。

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參攷
 Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
 Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
 Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
 Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties, Nuc. Phys. A 729, pp. 3-128 (2003).
 National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
 David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.

銫
同位素