"Discovery of New Isotope 241U and Systematic High-Precision Atomic Mass Measurements of Neutron-Rich Pa-Pu Nuclei Produced via Multinucleon Transfer Reactions" (PDF). ^ Reaching the limits of nuclear stability, M.List of elements by stability of isotopes.The half-life of tellurium-128 is over 160 trillion times greater than the age of the universe (which is 4.35 ×10 17 seconds). Twenty-three yoctoseconds is the time needed to traverse a 7- femtometre distance at the speed of light-around the diameter of a large atomic nucleus.ġ0 −21 seconds (zeptoseconds) isotopeġ0 −18 seconds (attoseconds) isotopeġ0 −12 seconds (picoseconds) isotopeġ0 −9 seconds (nanoseconds) isotopeġ0 −6 seconds (microseconds) isotopeġ0 12 seconds (teraseconds) isotopeġ0 15 seconds (petaseconds) isotopeġ0 18 seconds (exaseconds) isotopeġ0 21 seconds (zettaseconds) isotopeġ0 24 seconds (yottaseconds) isotopeġ0 27 seconds (ronnaseconds) isotopeġ0 30 seconds (quettaseconds) isotope Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds. This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. This list is incomplete you can help by adding missing items.
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