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It's Elemental

Isotopes of the Element Germanium

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Germanium

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

Isotopes With A Known Natural Abundance

Mass NumberNatural AbundanceHalf-life
7020.57%STABLE
7227.45%STABLE
737.75%STABLE
7436.50%STABLE
767.73%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
58No Data AvailableDouble Proton Emission (suspected)No Data Available
59No Data AvailableDouble Proton Emission (suspected)No Data Available
60> 110 nanosecondsElectron Capture with
delayed Proton Emission
No Data Available
Electron CaptureNo Data Available
6144 millisecondsElectron Capture with
delayed Proton Emission
> 58.00%
Electron Capture100.00%
62129 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
63150 millisecondsElectron Capture100.00%
6463.7 secondsElectron Capture100.00%
6530.9 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.01%
662.26 hoursElectron Capture100.00%
6718.9 minutesElectron Capture100.00%
68270.95 daysElectron Capture100.00%
6939.05 hoursElectron Capture100.00%
70STABLE--
7111.43 daysElectron Capture100.00%
71m20.41 millisecondsIsomeric Transition100.00%
72STABLE--
73STABLE--
73m0.499 secondsIsomeric Transition100.00%
74STABLE--
7582.78 minutesBeta-minus Decay100.00%
75m47.7 secondsIsomeric Transition99.97%
Beta-minus Decay0.03%
76STABLE--
7711.30 hoursBeta-minus Decay100.00%
77m52.9 secondsBeta-minus Decay81.00%
Isomeric Transition19.00%
7888.0 minutesBeta-minus Decay100.00%
7918.98 secondsBeta-minus Decay100.00%
79m39.0 secondsBeta-minus Decay96.00%
Isomeric Transition4.00%
8029.5 secondsBeta-minus Decay100.00%
817.6 secondsBeta-minus Decay100.00%
Beta-minus Decay100.00%
824.56 secondsBeta-minus Decay100.00%
831.85 secondsBeta-minus Decay100.00%
840.954 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
10.20%
850.56 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
14.00%
86> 150 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
87≈ 0.14 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
88>= 300 nanosecondsBeta-minus Decay100.00%
89>= 300 nanosecondsBeta-minus Decay (suspected)No Data Available
90> 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

Citation and linking information

For questions about this page, please contact Carol McKisson.