ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Of the very many atomic isotopes that could possibly exist in nature, only a few hundred are actually stable — just a handful, on average, for each chemical element. No stable isotope exists at all beyond bismuth (proton number Z = 83), although some isotopes of thorium (Z = 90) and uranium ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/449411a
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