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Isotopes of the Element Lawrencium

[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

Lawrencium has no naturally occurring isotopes.

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
251No Data AvailableElectron Capture (suspected)No Data Available
Alpha Decay (suspected)No Data Available
2520.27 secondsAlpha Decay100.00%
Electron CaptureNo Data Available
2530.57 secondsAlpha Decay~ 98.70%
Spontaneous Fission~ 1.30%
253m1.49 secondsAlpha Decay92.00%
Spontaneous Fission8.00%
25418.4 secondsAlpha Decay71.70%
Electron Capture28.30%
25531.1 secondsElectron Capture15.00%
Alpha Decay85.00%
255m2.53 secondsIsomeric Transition60.00%
Alpha Decay40.00%
25627 secondsAlpha Decay85.00%
Electron Capture15.00%
Spontaneous Fission< 0.03%
257≈ 4 secondsAlpha Decay<= 100.00%
2584.1 secondsAlpha Decay> 95.00%
Spontaneous Fission< 5.00%
2596.2 secondsAlpha Decay78.00%
Spontaneous Fission22.00%
260180 secondsAlpha Decay80.00%
Electron Capture< 40.00%
Spontaneous Fission< 10.00%
26139 minutesSpontaneous Fission100.00%
262≈ 4 hoursSpontaneous Fission< 10.00%
Electron CaptureNo Data Available
Alpha DecayNo Data Available
263No Data AvailableAlpha Decay (suspected)No Data Available
264No Data AvailableSpontaneous Fission (suspected)No Data Available
Alpha Decay (suspected)No Data Available
265No Data AvailableSpontaneous Fission (suspected)No Data Available
Alpha Decay (suspected)No Data Available
266No Data AvailableAlpha Decay (suspected)No Data Available
Spontaneous Fission (suspected)No Data Available