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Rubidium

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The Periodic Table of Elements

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Yttrium

Isotopes of the Element Strontium

[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
840.56%STABLE
869.86%STABLE
877.00%STABLE
8882.58%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
73> 25 millisecondsElectron Capture with
delayed Proton Emission
> 0.00%
Electron Capture100.00%
74> 1.2 microsecondsElectron CaptureNo Data Available
7588 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
5.20%
767.89 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
3.4×10-5 %
779.0 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
< 0.25%
78160 secondsElectron Capture100.00%
792.25 minutesElectron Capture100.00%
80106.3 minutesElectron Capture100.00%
8122.3 minutesElectron Capture100.00%
8225.34 daysElectron Capture100.00%
8332.41 hoursElectron Capture100.00%
83m4.95 secondsIsomeric Transition100.00%
84STABLE--
8564.850 daysElectron Capture100.00%
85m67.63 minutesIsomeric Transition86.60%
Electron Capture13.40%
86STABLE--
87STABLE--
87m2.815 hoursElectron Capture0.30%
Isomeric Transition99.70%
88STABLE--
8950.53 daysBeta-minus Decay100.00%
9028.90 yearsBeta-minus Decay100.00%
919.63 hoursBeta-minus Decay100.00%
922.66 hoursBeta-minus Decay100.00%
937.43 minutesBeta-minus Decay100.00%
9475.3 secondsBeta-minus Decay100.00%
9523.90 secondsBeta-minus Decay100.00%
961.07 secondsBeta-minus Decay100.00%
97429 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
<= 0.05%
980.653 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
0.25%
990.269 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
0.10%
100202 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
0.78%
101118 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
2.37%
10269 millisecondsBeta-minus Decay with
delayed Neutron Emission
5.50%
Beta-minus Decay100.00%
10368 millisecondsBeta-minus DecayNo Data Available
10443 millisecondsBeta-minus DecayNo Data Available
10540 millisecondsBeta-minus DecayNo Data Available
106> 392 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available
107> 395 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available