Nuclides with atomic number of 28 but with different mass numbers
Isotopes of nickel (28Ni)
Main isotopes[1]
Decay
abundance
half-life (t1/2)
mode
product
58Ni
68.1%
stable
59Ni
trace
7.6×104 y
ε
59Co
60Ni
26.2%
stable
61Ni
1.14%
stable
62Ni
3.63%
stable
63Ni
synth
100 y
β−
63Cu
64Ni
0.926%
stable
Standard atomic weight Ar°(Ni)
58.6934±0.0004[2]
58.693±0.001 (abridged)[3]
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Naturally occurring nickel (28Ni) is composed of five stable isotopes; 58 Ni , 60 Ni , 61 Ni , 62 Ni and 64 Ni , with 58 Ni being the most abundant (68.077% natural abundance).[4] 26 radioisotopes have been characterised with the most stable being 59 Ni with a half-life of 76,000 years, 63 Ni with a half-life of 100.1 years, and 56 Ni with a half-life of 6.077 days. All of the remaining radioactive isotopes have half-lives that are less than 60 hours and the majority of these have half-lives that are less than 30 seconds. This element also has 8 meta states.
^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.
^"Standard Atomic Weights: Nickel". CIAAW. 2007.
^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. (4 May 2022). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
^"Isotopes of the Element Nickel". Science education. Jefferson Lab.
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