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Cobalt

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Copper

Isotopes of the Element Nickel

[Click for Main Data]

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
5868.077%STABLE
6026.223%STABLE
611.1399%STABLE
623.6346%STABLE
640.9255%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
482.1 millisecondsDouble Proton Emission~ 70.00%
Electron CaptureNo Data Available
497.5 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
83.00%
5018.5 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
86.70%
Electron Capture with
delayed Double Proton Emission
No Data Available
5123.8 millisecondsElectron CaptureNo Data Available
Electron Capture with
delayed Proton Emission
87.2%
5240.8 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
31.40%
5355.2 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
23.40%
54104 millisecondsElectron Capture100.00%
55204.7 millisecondsElectron Capture100.00%
566.075 daysElectron Capture100.00%
5735.60 hoursElectron Capture100.00%
58STABLE--
597.6×10+4 yearsElectron Capture100.00%
60STABLE--
61STABLE--
62STABLE--
63101.2 yearsBeta-minus Decay100.00%
64STABLE--
652.5175 hoursBeta-minus Decay100.00%
6654.6 hoursBeta-minus Decay100.00%
6721 secondsBeta-minus Decay100.00%
6829 secondsBeta-minus Decay100.00%
68m0.86 millisecondsIsomeric Transition100.00%
6911.2 secondsBeta-minus Decay100.00%
69m3.5 secondsBeta-minus Decay100.00%
706.0 secondsBeta-minus Decay100.00%
712.56 secondsBeta-minus Decay100.00%
71m2.3 secondsBeta-minus Decay100.00%
721.57 secondsBeta-minus Decay100.00%
730.84 secondsBeta-minus Decay100.00%
740.68 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
75344 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
10.00%
760.238 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
77128 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
30.00%
780.11 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
79> 635 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available