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Isotopes of the Element Copper

[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
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 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