It's Elemental

Antimony

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The Periodic Table of Elements

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Iodine

Isotopes of the Element Tellurium

[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
1200.09%STABLE
1222.55%STABLE
1230.89%> 9.2×10+16 years
1244.74%STABLE
1257.07%STABLE
12618.84%STABLE
12831.74%2.41×10+24 years
13034.08%>= 3.0×10+24 years

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
1050.62 microsecondsAlpha Decay100.00%
10670 microsecondsAlpha Decay100.00%
1073.1 millisecondsAlpha Decay70.00%
Electron Capture30.00%
1082.1 secondsAlpha Decay49.00%
Electron Capture with
delayed Proton Emission
2.40%
Electron Capture51.00%
1094.6 secondsElectron Capture96.10%
Electron Capture with
delayed Proton Emission
9.40%
Alpha Decay3.90%
Electron Capture with
delayed Alpha Decay
< 5.0×10-3 %
11018.6 secondsElectron Capture100.00%
Alpha Decay~ 3.0×10-3 %
11119.3 secondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
1122.0 minutesElectron Capture100.00%
1131.7 minutesElectron Capture100.00%
11415.2 minutesElectron Capture100.00%
1155.8 minutesElectron Capture100.00%
115m6.7 minutesElectron Capture<= 100.00%
Isomeric TransitionNo Data Available
1162.49 hoursElectron Capture100.00%
11762 minutesElectron Capture100.00%
117m103 millisecondsIsomeric Transition100.00%
1186.00 daysElectron Capture100.00%
11916.05 hoursElectron Capture100.00%
119m4.70 daysElectron Capture100.00%
Isomeric Transition< 8.0×10-3 %
120STABLE--
12119.17 daysElectron Capture100.00%
121m164.2 daysIsomeric Transition88.60%
Electron Capture11.40%
122STABLE--
123> 9.2×10+16 yearsElectron Capture100.00%
123m119.2 daysIsomeric Transition100.00%
124STABLE--
125STABLE--
125m57.40 daysIsomeric Transition100.00%
126STABLE--
1279.35 hoursBeta-minus Decay100.00%
127m106.1 daysIsomeric Transition97.60%
Beta-minus Decay2.40%
1282.41×10+24 yearsDouble Beta-minus Decay100.00%
12969.6 minutesBeta-minus Decay100.00%
129m33.6 daysIsomeric Transition63.00%
Beta-minus Decay37.00%
130>= 3.0×10+24 yearsDouble Beta-minus Decay100.00%
13125.0 minutesBeta-minus Decay100.00%
131m33.25 hoursBeta-minus Decay74.10%
Isomeric Transition25.90%
131m193 millisecondsIsomeric Transition100.00%
1323.204 daysBeta-minus Decay100.00%
13312.5 minutesBeta-minus Decay100.00%
133m55.4 minutesBeta-minus Decay83.50%
Isomeric Transition16.50%
13441.8 minutesBeta-minus Decay100.00%
13519.0 secondsBeta-minus Decay100.00%
13617.63 secondsBeta-minus Decay with
delayed Neutron Emission
1.31%
Beta-minus Decay100.00%
1372.49 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
2.99%
1381.4 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
6.30%
139> 150 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
140> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
141> 150 nanosecondsBeta-minus Decay (suspected)No Data Available
141m150 nanosecondsBeta-minus Decay with
delayed Neutron Emission (suspected)
No Data Available
142No Data AvailableNo Data AvailableNo Data Available
143> 408 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