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Isotopes of the Element Ytterbium

[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
1680.123%STABLE
1702.982%STABLE
17114.09%STABLE
17221.68%STABLE
17316.103%STABLE
17432.026%STABLE
17612.996%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
148No Data AvailableElectron Capture (suspected)No Data Available
1490.7 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
100.00%
150200 nanosecondsElectron Capture (suspected)No Data Available
1511.6 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
> 0.00%
Electron Capture100.00%
Isomeric Transition~ 0.40%
Electron Capture with
delayed Proton Emission
No Data Available
1523.03 secondsElectron Capture with
delayed Proton Emission
No Data Available
Electron Capture100.00%
1534.2 secondsAlpha Decay60.00%
Electron Capture40.00%
1540.409 secondsAlpha Decay92.60%
Electron Capture7.40%
1551.793 secondsAlpha Decay89.00%
Electron Capture11.00%
15626.1 secondsElectron Capture90.00%
Alpha Decay10.00%
15738.6 secondsElectron Capture99.50%
Alpha Decay0.50%
1581.49 minutesAlpha Decay~ 2.1×10-3 %
Electron Capture100.00%
1591.67 minutesElectron Capture100.00%
1604.8 minutesElectron Capture100.00%
1614.2 minutesElectron Capture100.00%
16218.87 minutesElectron Capture100.00%
16311.05 minutesElectron Capture100.00%
16475.8 minutesElectron Capture100.00%
1659.9 minutesElectron Capture100.00%
16656.7 hoursElectron Capture100.00%
16717.5 minutesElectron Capture100.00%
168STABLE--
16932.018 daysElectron Capture100.00%
169m46 secondsIsomeric Transition100.00%
170STABLE--
171STABLE--
171m5.25 millisecondsIsomeric Transition100.00%
172STABLE--
173STABLE--
174STABLE--
1754.185 daysBeta-minus Decay100.00%
175m68.2 millisecondsIsomeric Transition100.00%
176STABLE--
176m11.4 secondsIsomeric Transition100.00%
1771.911 hoursBeta-minus Decay100.00%
177m6.41 secondsIsomeric Transition100.00%
17874 minutesBeta-minus Decay100.00%
1798.0 minutesBeta-minus Decay100.00%
1802.4 minutesBeta-minus Decay100.00%
181No Data Available   Beta-minus Decay (suspected)   No Data Available