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Technetium

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Rhodium

Isotopes of the Element Ruthenium

[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
965.54%STABLE
981.87%STABLE
9912.76%STABLE
10012.60%STABLE
10117.06%STABLE
10231.55%STABLE
10418.62%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
871.5 microsecondsElectron Capture (suspected)No Data Available
881.2 secondsElectron Capture100.00%
891.5 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
< 0.15%
9011.7 secondsElectron Capture100.00%
917.9 secondsElectron Capture100.00%
91m7.6 secondsIsomeric TransitionNo Data Available
Electron Capture> 0.00%
Electron Capture with
delayed Proton Emission
> 0.00%
923.65 minutesElectron Capture100.00%
9359.7 secondsElectron Capture100.00%
93m10.8 secondsElectron Capture78.00%
Isomeric Transition22.00%
Electron Capture with
delayed Proton Emission
0.03%
9451.8 minutesElectron Capture100.00%
951.643 hoursElectron Capture100.00%
96STABLE--
972.83 daysElectron Capture100.00%
98STABLE--
99STABLE--
100STABLE--
101STABLE--
102STABLE--
10339.247 daysBeta-minus Decay100.00%
104STABLE--
1054.44 hoursBeta-minus Decay100.00%
106371.8 daysBeta-minus Decay100.00%
1073.75 minutesBeta-minus Decay100.00%
1084.55 minutesBeta-minus Decay100.00%
10934.5 secondsBeta-minus Decay100.00%
11011.6 secondsBeta-minus Decay100.00%
1112.12 secondsBeta-minus Decay100.00%
1121.75 secondsBeta-minus Decay100.00%
1130.80 secondsBeta-minus Decay100.00%
113m510 millisecondsBeta-minus Decay100.00%
1140.52 secondsBeta-minus Decay100.00%
115318 millisecondsBeta-minus DecayNo Data Available
115m740 millisecondsBeta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus Decay100.00%
116204 millisecondsBeta-minus DecayNo Data Available
117142 millisecondsBeta-minus Decay100.00%
118123 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
119> 300 nanosecondsBeta-minus DecayNo Data Available
120> 150 nanosecondsBeta-minus DecayNo Data Available
121> 390 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
122> 392 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
123> 394 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
124> 396 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available