Nickel-65m
Properties and data of the isotope 65Ni.
See also: list of Nickel isotopes.
General data
Name of the isotope:Nickel-65m; Ni-65mSymbol:65Ni or 6528NiMass number A:65 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:37Isotopic mass:64.9300847(5) u (atomic weight of Nickel-65m)
Excitation energy: 63.37(5) keVNuclide mass:64.9147249 u (calculated nuclear mass without electrons)Mass excess:-65.12568 MeVMass defect:0.609618088 u (per nucleus)Nuclear binding energy:567.85559126 MeV (per nucleus)
8.73623987 MeV (average binding energy per nucleon)Half-life:69(3) μsDecay constant λ:10045.611312463 s-1Specific activity α:9.452513491847 × 10+25 Bq g-1
2.554733376175 × 10+15 Ci g-1Spin and parity:
(nuclear angular momentum)1/2-
Radioactive Decay
Half-life T½ = 69(3) μs respectively 6.9 × 10-5 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β- | 65Cu | | | |
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
Nuclear Isomer | Excitation Energy | Half-life | Spin |
---|
65Ni | | 2.5175(5) h | 5/2- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 37) and isobaric (same nucleon number A = 65) with Nickel-65m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
OZ | Isotone N = 37 | Isobar A = 65 |
19 | 56K | |
20 | 57Ca | |
21 | 58Sc | |
22 | 59Ti | |
23 | 60V | 65V |
24 | 61Cr | 65Cr |
25 | 62Mn | 65Mn |
26 | 63Fe | 65Fe |
27 | 64Co | 65Co |
28 | 65Ni | 65Ni |
29 | 66Cu | 65Cu |
30 | 67Zn | 65Zn |
31 | 68Ga | 65Ga |
32 | 69Ge | 65Ge |
33 | 70As | 65As |
34 | 71Se | 65Se |
35 | 72Br | |
36 | 73Kr | |
37 | 74Rb | |
38 | 75Sr | |
39 | 76Y | |
40 | 77Zr | |
External data and identifiers
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/nickel-65m
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