Back نظائر الكريبتون Arabic Isòtops del criptó Catalan Izotopy kryptonu Czech Криптон изотопĕсем CV Kryptonisotoper Danish Anexo:Isótopos de kriptón Spanish ایزوتوپ‌های کریپتون Persian Isotopes du krypton French A kripton izotópjai Hungarian Isotop kripton ID

Isotopes of krypton

Isotopes of krypton (36Kr)
Main isotopes[1] Decay
abun­dance half-life (t1/2) mode pro­duct
78Kr 0.360% 9.2×1021 y[2] εε 78Se
79Kr synth 35 h ε 79Br
β+ 79Br
γ –
80Kr 2.29% stable
81Kr trace 2.3×105 y ε 81Br
81mKr synth 13.10 s IT 81Kr
ε 81Br
82Kr 11.6% stable
83Kr 11.5% stable
84Kr 57.0% stable
85Kr trace 11 y β− 85Rb
86Kr 17.3% stable
Standard atomic weight Ar°(Kr)

There are 34 known isotopes of krypton (36Kr) with atomic mass numbers from 69 through 102.[5][6] Naturally occurring krypton is made of five stable isotopes and one (78
Kr
) which is slightly radioactive with an extremely long half-life, plus traces of radioisotopes that are produced by cosmic rays in the atmosphere.

  1. ^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
  2. ^ Patrignani, C.; et al. (Particle Data Group) (2016). "Review of Particle Physics". Chinese Physics C. 40 (10): 100001. Bibcode:2016ChPhC..40j0001P. doi:10.1088/1674-1137/40/10/100001. See p. 768
  3. ^ "Standard Atomic Weights: Krypton". CIAAW. 2001.
  4. ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  5. ^ "Chart of Nuclides". Brookhaven National Laboratory. Archived from the original on 2017-10-18. Retrieved 2011-11-21.
  6. ^ Sumikama, T.; et al. (2021). "Observation of new neutron-rich isotopes in the vicinity of Zr110". Physical Review C. 103 (1): 014614. Bibcode:2021PhRvC.103a4614S. doi:10.1103/PhysRevC.103.014614. hdl:10261/260248. S2CID 234019083.

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