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Isotopes of the Element Cadmium

[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
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%