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Isotopes of the Element Ytterbium

[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
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 AvailableBeta-minus Decay (suspected)No Data Available