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Radioactive krypton-81 is the product of spallation reactions with cosmic rays striking gases present in the Earth atmosphere, along with the six stable or nearly stable krypton isotopes. [11] Krypton-81 has a half-life of about 229,000 years. Krypton-81 is used for dating ancient (50,000- to 800,000-year-old) groundwater and to determine their ...
It contains a table of main isotopes and eventually the standard atomic weight. This template is reused in {{Infobox <element>}} as a child Infobox (|child=yes). As of Jan 2023, a 'Main isotope' is conforming MOS:MAINISOTOPE (under construction, see WP:ELEMENTS What is a "Main_isotope"?) Each isotope has its own row, with decay modes:
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Adds a header to the List of isotopes Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status symbol symbol no description Example Hg String required refs refs NUBASE2016, AME2016 II, CIAAW2016abundance Unknown optional notes notes no description Example m, histname, resonance, unc, mass#, exen#, hl#, spin#, spin, hl-nst ...
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Krypton-85 (85 Kr) is a radioisotope of krypton.. Krypton-85 has a half-life of 10.756 years and a maximum decay energy of 687 keV. [1] It decays into stable rubidium-85.Its most common decay (99.57%) is by beta particle emission with a maximum energy of 687 keV and an average energy of 251 keV.
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Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Isotopes of krypton (48 P) L. Isotopes of lanthanum (62 P)