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Isotopes of the Element Cadmium

[Click for Main Data]         Proton Emission     Neutron Emission     Electron Emission     Positron Emission

Most of the isotope data on this site has been obtained from the National Nuclear Data Center.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
1061.25%> 3.6×10+20 years
1080.89%> 1.9×10+18 years
11012.49%STABLE
11112.80%STABLE
11224.13%STABLE
11312.22%8.00×1015 years
11428.73%> 2.1×1018 years
1167.49%3.3×10+19 years

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
95No Data AvailableElectron Capture with
delayed Proton Emission (suspected)
No Data Available
Electron Capture (suspected)No Data Available
961.03 secondsElectron Capture100.00%
971.10 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
12.0%
97m3.70 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
25.0%
989.2 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
< 0.03%
9916 secondsElectron Capture100.00%
Electron Capture with
delayed Alpha Decay
< 1.0×10-4 %
Electron Capture with
delayed Proton Emission
0.17%
10049.1 secondsElectron Capture100.00%
1011.36 minutesElectron Capture100.00%
1025.5 minutesElectron Capture100.00%
1037.3 minutesElectron Capture100.00%
10457.7 minutesElectron Capture100.00%
10555.5 minutesElectron Capture100.00%
106> 3.6×10+20 yearsDouble Electron CaptureNo Data Available
1076.50 hoursElectron Capture100.00%
108> 1.9×10+18 yearsDouble Electron CaptureNo Data Available
109461.4 daysElectron Capture100.00%
110STABLE--
111STABLE--
111m48.50 minutesIsomeric Transition100.00%
112STABLE--
1138.00×1015 yearsBeta-minus Decay100.00%
113m14.1 yearsBeta-minus Decay99.86%
Isomeric Transition0.14%
114> 2.1×1018 yearsDouble Beta-minus DecayNo Data Available
11553.46 hoursBeta-minus Decay100.00%
115m44.56 daysBeta-minus Decay100.00%
1163.3×10+19 yearsDouble Beta-minus DecayNo Data Available
1172.49 hoursBeta-minus Decay100.00%
117m3.36 hoursBeta-minus Decay100.00%
11850.3 minutesBeta-minus Decay100.00%
1192.69 minutesBeta-minus Decay100.00%
119m2.20 minutesBeta-minus Decay100.00%
12050.80 secondsBeta-minus Decay100.00%
12113.5 secondsBeta-minus Decay100.00%
121m8.3 secondsBeta-minus Decay100.00%
1225.24 secondsBeta-minus Decay100.00%
1232.10 secondsBeta-minus Decay100.00%
123m1.82 secondsBeta-minus Decay<= 100.00%
Isomeric TransitionNo Data Available
1241.25 secondsBeta-minus Decay100.00%
1250.68 secondsBeta-minus Decay100.00%
125m0.48 secondsBeta-minus Decay100.00%
1260.515 secondsBeta-minus Decay100.00%
1270.37 secondsBeta-minus Decay100.00%
1280.28 secondsBeta-minus Decay100.00%
1290.27 secondsNo Data AvailableNo Data Available
130162 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
3.50%
13168 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
3.50%
13297 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
60.00%
13357 millisecondsBeta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available
Beta-minus Decay100.00%