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Isotopes of the Element Rhenium

[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
18537.40%STABLE
18762.60%4.33×10+10 years

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
159No Data Available   No Data Available       No Data Available
1600.82 millisecondsProton Emission91.00%
Alpha Decay9.00%
1610.44 millisecondsProton Emission100.00%
Alpha Decay<= 1.40%
161m14.7 millisecondsAlpha Decay93.00%
Proton Emission7.00%
162107 millisecondsAlpha Decay94.00%
Electron Capture6.00%
162m77 millisecondsAlpha Decay91.00%
Electron Capture9.00%
163390 millisecondsElectron Capture68.00%
Alpha Decay32.00%
163m214 millisecondsAlpha Decay66.00%
Electron Capture34.00%
1640.85 secondsAlpha Decay~ 58.00%
Electron Capture~ 42.00%
164m0.86 secondsIsomeric TransitionNo Data Available
Alpha Decay~ 3.00%
165≈ 1 secondsElectron CaptureNo Data Available
Alpha DecayNo Data Available
165m2.1 secondsElectron Capture87.00%
Alpha Decay13.00%
1662.25 secondsElectron Capture> 76.00%
Alpha Decay< 24.00%
1675.9 secondsElectron Capture~ 99.00%
Alpha Decay~ 1.00%
167m3.4 secondsAlpha Decay100.00%
1684.4 secondsElectron Capture100.00%
Alpha Decay~ 5.0×10-3 %
1698.1 secondsElectron Capture100.00%
Alpha Decay< 0.01%
169m15.1 secondsElectron CaptureNo Data Available
Isomeric TransitionNo Data Available
Alpha Decay~ 0.20%
1709.2 secondsElectron Capture100.00%
17115.2 secondsElectron Capture100.00%
17255 secondsElectron Capture100.00%
172m15 secondsElectron Capture100.00%
1731.98 minutesElectron Capture100.00%
1742.40 minutesElectron Capture100.00%
1755.89 minutesElectron Capture100.00%
1765.3 minutesElectron Capture100.00%
17714 minutesElectron Capture100.00%
17813.2 minutesElectron Capture100.00%
17919.5 minutesElectron Capture100.00%
179m0.466 millisecondsIsomeric Transition100.00%
1802.44 minutesElectron Capture100.00%
18119.9 hoursElectron Capture100.00%
18264.0 hoursElectron Capture100.00%
182m12.7 hoursElectron Capture100.00%
18370.0 daysElectron Capture100.00%
183m1.04 millisecondsIsomeric Transition100.00%
18435.4 daysElectron Capture100.00%
184m169 daysIsomeric Transition74.50%
Electron Capture25.50%
185STABLE--
1863.7186 daysBeta-minus Decay92.53%
Electron Capture7.47%
186m2.0×10+5 yearsIsomeric Transition100.00%
1874.33×10+10 yearsBeta-minus Decay100.00%
Alpha Decay< 1.0×10-4 %
18817.003 hoursBeta-minus Decay100.00%
188m18.59 minutesIsomeric Transition100.00%
18924.3 hoursBeta-minus Decay100.00%
1903.1 minutesBeta-minus Decay100.00%
190m3.2 hoursBeta-minus Decay54.40%
Isomeric Transition45.60%
1919.8 minutesBeta-minus Decay100.00%
19216 secondsBeta-minus Decay100.00%
193No Data AvailableNo Data AvailableNo Data Available
1945 secondsBeta-minus Decay100.00%
Beta-minus Decay100.00%
Beta-minus Decay100.00%
1956 secondsBeta-minus DecayNo Data Available
1963 secondsBeta-minus Decay100.00%
198No Data AvailableNo Data AvailableNo Data Available