It's Elemental

Cerium

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(Cerium)

The Periodic Table of Elements

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(Neodymium)

Neodymium

Isotopes of the Element Praseodymium

[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
141100%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
12110 millisecondsProton Emission100.00%
1220.5 secondsElectron Capture (suspected)No Data Available
1230.8 secondsElectron Capture (suspected)No Data Available
1241.2 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
> 0.00%
1253.3 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
1263.14 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
1274.2 secondsElectron Capture100.00%
1282.84 secondsElectron Capture100.00%
12930 secondsElectron Capture> 0.00%
13040 secondsElectron Capture100.00%
Electron Capture100.00%
Electron Capture100.00%
1311.51 minutesElectron Capture100.00%
131m5.73 secondsIsomeric Transition96.40%
Electron Capture3.60%
1321.6 minutesElectron Capture100.00%
1336.5 minutesElectron Capture100.00%
133m1.1 secondsIsomeric Transition100.00%
134≈ 11 minutesElectron Capture100.00%
134m17 minutesElectron Capture100.00%
13524 minutesElectron Capture100.00%
13613.1 minutesElectron Capture100.00%
1371.28 hoursElectron Capture100.00%
1381.45 minutesElectron Capture100.00%
138m2.12 hoursElectron Capture100.00%
1394.41 hoursElectron Capture100.00%
1403.39 minutesElectron Capture100.00%
141STABLE--
14219.12 hoursBeta-minus Decay99.98%
Electron Capture0.02%
142m14.6 minutesIsomeric Transition100.00%
14313.57 daysBeta-minus Decay100.00%
14417.28 minutesBeta-minus Decay100.00%
144m7.2 minutesIsomeric Transition99.93%
Beta-minus Decay0.07%
1455.984 hoursBeta-minus Decay100.00%
14624.15 minutesBeta-minus Decay100.00%
14713.4 minutesBeta-minus Decay100.00%
1482.29 minutesBeta-minus Decay100.00%
148m2.01 minutesBeta-minus Decay100.00%
1492.26 minutesBeta-minus Decay100.00%
1506.19 secondsBeta-minus Decay100.00%
15118.90 secondsBeta-minus Decay100.00%
1523.57 secondsBeta-minus Decay100.00%
1534.28 secondsBeta-minus Decay100.00%
1542.3 secondsBeta-minus Decay100.00%
155> 300 nanosecondsBeta-minus Decay (suspected)No Data Available
156> 300 nanosecondsBeta-minus Decay (suspected)No Data Available
157No Data AvailableBeta-minus Decay (suspected)No Data Available
158No Data AvailableBeta-minus Decay (suspected)No Data Available
159No Data AvailableBeta-minus Decay (suspected)No Data Available