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It's Elemental
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[Return to Carbon's Data Page]

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 of the Element Carbon with a Known Natural Abundance

Mass NumberNatural AbundanceHalf-life
1298.89%Stable
131.11%Stable

All Known Isotopes of the Element Carbon

Mass NumberHalf-lifeDecay ModeBranching Percentage
81.98739×10-21 secondsProton EmissionNo Data Available
Alpha DecayNo Data Available
9126.5 millisecondsElectron Capture100.00
Electron Capture with
delayed Proton Emission		23.00
Electron Capture with
delayed Alpha Decay		17.00
1019.26 secondsElectron Capture100.00
1120.39 minutesElectron Capture100.00
12Stable--
13Stable--
145700 yearsBeta-minus Decay100.00
152.449 secondsBeta-minus Decay100.00
160.747 secondsBeta-minus Decay100.00
Beta-minus Decay with
delayed Neutron Emission		99.00
17193 millisecondsBeta-minus Decay100.00
Beta-minus Decay with
delayed Neutron Emission		32.00
1892 millisecondsBeta-minus Decay100.00
Beta-minus Decay with
delayed Neutron Emission		31.50
1949 millisecondsBeta-minus Decay with
delayed Neutron Emission		61.00
Beta-minus DecayNo Data Available
2014 millisecondsBeta-minus Decay100.00
Beta-minus Decay with
delayed Neutron Emission		72.00
21< 30 nanosecondsNeutron EmissionNo Data Available
229 millisecondsBeta-minus Decay100.00
Beta-minus Decay with
delayed Neutron Emission		> 0.00
Beta-minus Decay with delayed
Double Neutron Emission		> 0.00

This page is maintained by Steve Gagnon.

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