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It's Elemental

Isotopes of the Element Oxygen

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Oxygen

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 With A Known Natural Abundance

Mass NumberNatural AbundanceHalf-life
1699.757%STABLE
170.038%STABLE
180.205%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
121.139×10-21 secondsProton EmissionNo Data Available
138.58 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
100.00%
1470.620 secondsElectron Capture100.00%
15122.24 secondsElectron Capture100.00%
16STABLE--
17STABLE--
18STABLE--
1926.88 secondsBeta-minus Decay100.00%
2013.51 secondsBeta-minus Decay100.00%
213.42 secondsBeta-minus Decay100.00%
222.25 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
< 22.00%
2397 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
7.00%
2465 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
58.00%
25No Data AvailableNo Data AvailableNo Data Available
2640 nanosecondsNeutron Emission (suspected)No Data Available
27260 nanosecondsNeutron Emission (suspected)No Data Available
28100 nanosecondsNeutron Emission (suspected)No Data Available

Citation and linking information

For questions about this page, please contact Carol McKisson.