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Isotopes of the Element Zinc

[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
6449.17%>= 7.0×1020 years
6627.73%STABLE
674.04%STABLE
6818.45%STABLE
700.61%>= 2.3×10+17 years

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
541.59 millisecondsDouble Proton Emission92%
5519.8 millisecondsElectron Capture100.0%
Electron Capture with
delayed Proton Emission
91.0%
5630.0 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
86.00%
5738 millisecondsElectron Capture with
delayed Proton Emission
>= 65.00%
Electron Capture100.00%
5886 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
< 3.00%
59182.0 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.10%
602.38 minutesElectron Capture100.00%
6189.1 secondsElectron Capture100.00%
61m< 430 millisecondsIsomeric TransitionNo Data Available
61m10.14 secondsIsomeric TransitionNo Data Available
61m2< 0.13 secondsIsomeric TransitionNo Data Available
629.186 hoursElectron Capture100.00%
6338.47 minutesElectron Capture100.00%
64>= 7.0×1020 yearsDouble Electron CaptureNo Data Available
65243.93 daysElectron Capture100.00%
66STABLE--
67STABLE--
68STABLE--
6956.4 minutesBeta-minus Decay100.00%
69m13.76 hoursIsomeric Transition99.97%
Beta-minus Decay0.03%
70>= 2.3×10+17 yearsDouble Beta-minus DecayNo Data Available
712.45 minutesBeta-minus Decay100.00%
71m3.96 hoursBeta-minus Decay100.00%
Isomeric Transition<= 0.05%
7246.5 hoursBeta-minus Decay100.00%
7323.5 secondsBeta-minus Decay100.00%
73m5.8 secondsBeta-minus DecayNo Data Available
Isomeric TransitionNo Data Available
73m113.0 millisecondsIsomeric Transition100.00%
7495.6 secondsBeta-minus Decay100.00%
7510.2 secondsBeta-minus Decay100.00%
765.7 secondsBeta-minus Decay100.00%
772.08 secondsBeta-minus Decay100.00%
77m1.05 secondsIsomeric Transition> 50.00%
Beta-minus Decay< 50.00%
781.47 secondsBeta-minus Decay100.00%
790.995 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
1.30%
800.54 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
1.00%
81304 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
7.50%
82> 150 nanosecondsBeta-minus DecayNo Data Available
83> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
84> 633 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
85> 637 nanosecondsBeta-minus Decay (suspected)No Data Available
85m637 nanosecondsBeta-minus Decay with
delayed Neutron Emission (suspected)
No Data Available
85m1> 637 nanosecondsBeta-minus Decay with delayed
Double Neutron Emission (suspected)
No Data Available