It's Elemental

Beryllium

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The Periodic Table of Elements

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Isotopes of the Element Boron

[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
1019.9%STABLE
1180.1%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
6No Data AvailableDouble Proton Emission (suspected)No Data Available
73.255×10-22 secondsProton EmissionNo Data Available
Alpha DecayNo Data Available
8770 millisecondsElectron Capture100.00%
Electron Capture with
delayed Alpha Decay
100.00%
98.439×10-19 secondsProton Emission100.00%
Double Alpha Decay100.00%
10STABLE--
11STABLE--
1220.20 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Triple Alpha Decay
1.58%
1317.33 millisecondsBeta-minus Decay100.00%
1412.5 millisecondsBeta-minus Decay100.00%
159.93 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
93.60%
Beta-minus Decay with delayed
Double Neutron Emission
0.40%
16< 190 picosecondsNeutron EmissionNo Data Available
175.08 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
63.00%
Beta-minus Decay with delayed
Double Neutron Emission
11.00%
Beta-minus Decay with
delayed Triple Neutron Emission
3.50%
Beta-minus Decay with
delayed Quadruple Neutron Emission
0.40%
1826 nanosecondsNeutron Emission (suspected)No Data Available
192.92 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
72.00%
Beta-minus Decay with delayed
Double Neutron Emission
16.00%
20No Data AvailableNo Data AvailableNo Data Available
21No Data AvailableNo Data AvailableNo Data Available