It's Elemental

Terbium

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The Periodic Table of Elements

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Holmium

Isotopes of the Element Dysprosium

[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
1560.056%STABLE
1580.095%STABLE
1602.329%STABLE
16118.889%STABLE
16225.475%STABLE
16324.896%STABLE
16428.260%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
138No Data AvailableElectron Capture (suspected)No Data Available
1390.6 secondsElectron CaptureNo Data Available
Electron Capture with
delayed Proton Emission
No Data Available
140No Data AvailableElectron CaptureNo Data Available
1410.9 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
1422.3 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.06%
1435.6 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
143m3.0 secondsElectron Capture with
delayed Proton Emission
No Data Available
Electron Capture100.00%
1449.1 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
1456 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
~ 50.00%
145m14.1 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
~ 50.00%
14629 secondsElectron Capture100.00%
146m150 millisecondsIsomeric Transition100.00%
14767 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.05%
147m55.2 secondsElectron Capture68.90%
Isomeric Transition31.10%
1483.3 minutesElectron Capture100.00%
1494.20 minutesElectron Capture100.00%
149m0.490 secondsIsomeric Transition99.30%
Electron Capture0.70%
1507.17 minutesElectron Capture64.00%
Alpha Decay36.00%
15117.9 minutesElectron Capture94.40%
Alpha Decay5.60%
1522.38 hoursElectron Capture99.90%
Alpha Decay0.10%
1536.4 hoursElectron Capture99.99%
Alpha Decay9.4×10-3 %
1543.0×10+6 yearsAlpha Decay100.00%
1559.9 hoursElectron Capture100.00%
156STABLE--
1578.14 hoursElectron Capture100.00%
157m21.6 millisecondsIsomeric Transition100.00%
158STABLE--
159144.4 daysElectron Capture100.00%
160STABLE--
161STABLE--
162STABLE--
163STABLE--
164STABLE--
1652.334 hoursBeta-minus Decay100.00%
165m1.257 minutesIsomeric Transition97.76%
Beta-minus Decay2.24%
16681.6 hoursBeta-minus Decay100.00%
1676.20 minutesBeta-minus Decay100.00%
1688.7 minutesBeta-minus Decay100.00%
16939 secondsBeta-minus Decay100.00%
170No Data AvailableBeta-minus Decay100.00%
171No Data AvailableBeta-minus Decay (suspected)No Data Available
172No Data AvailableBeta-minus Decay (suspected)No Data Available
173No Data AvailableBeta-minus Decay (suspected)No Data Available