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Xenon-124 is an isotope of xenon that undergoes double electron capture to tellurium-124 with a very long half-life ... Xenon-135 is a radioactive isotope of xenon, ...
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. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
Some radioactive isotopes of xenon ... [117] [124] An unusual ion containing xenon is the tetraxenonogold(II) cation, AuXe 2+ 4, which contains Xe–Au bonds. [125]
It has seven stable isotopes (126 Xe, 128 Xe, 129 Xe, 130 Xe, 131 Xe, 132 Xe, 134 Xe) and two isotopes (124 Xe, 136 Xe) with long-lived half-lives. Xe has four synthetic radioisotopes with very short half-lives, usually less than one month. Xenon-129 can be used to examine the early history of the Earth.
Those that may in the future be found to be radioactive are expected to have half-lives longer than 10 22 years (for example, xenon-134). [citation needed] In April 2019 it was announced that the half-life of xenon-124 had been measured to 1.8 × 10 22 years.
As of 2003 the isotopes Antimony-124, argon-41, cobalt-60, iodine-131, iridium-192, lanthanum-140, manganese-56, scandium-46, sodium-24, silver-110m, technetium-99m, and xenon-133 were most commonly used by the oil and gas industry because they are easily identified and measured.
A pair of prosecutors claim the new district attorney and an underling demoted them and dragged their names through the mud after they said the killer Menendez brothers should go free.
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