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Isotopes of the Element Copper

[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
6369.15%STABLE
6530.85%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
52No Data AvailableProton EmissionNo Data Available
53< 300 nanosecondsElectron CaptureNo Data Available
Proton EmissionNo Data Available
54< 75 nanosecondsProton EmissionNo Data Available
5527 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
15.0%
5693 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.40%
57196.3 millisecondsElectron Capture100.00%
583.204 secondsElectron Capture100.00%
5981.5 secondsElectron Capture100.00%
6023.7 minutesElectron Capture100.00%
613.333 hoursElectron Capture100.00%
629.673 minutesElectron Capture100.00%
63STABLE--
6412.701 hoursElectron Capture61.50%
Beta-minus Decay38.50%
65STABLE--
665.120 minutesBeta-minus Decay100.00%
6761.83 hoursBeta-minus Decay100.00%
6830.9 secondsBeta-minus Decay100.00%
68m3.75 minutesIsomeric Transition84.00%
Beta-minus Decay16.00%
692.85 minutesBeta-minus Decay100.00%
7044.5 secondsBeta-minus Decay100.00%
70m33 secondsBeta-minus Decay52.00%
Isomeric Transition48.00%
70m16.6 secondsBeta-minus Decay93.20%
Isomeric Transition6.80%
7119.4 secondsBeta-minus Decay100.00%
726.63 secondsBeta-minus Decay100.00%
734.2 secondsBeta-minus Decay100.00%
741.594 secondsBeta-minus Decay100.00%
751.222 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
3.50%
76637 millisecondsBeta-minus Decay with
delayed Neutron Emission
7.20%
Beta-minus Decay100.00%
76m1.27 secondsBeta-minus Decay100.00%
77468.1 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
30.30%
78335 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
> 65.00%
79188 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
55.00%
800.17 secondsBeta-minus DecayNo Data Available
81> 632 nanosecondsBeta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus DecayNo Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available
82> 636 nanoseconds   Beta-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