It's Elemental

Helium

Previous Element

(Helium)

The Periodic Table of Elements

Next Element

(Beryllium)

Beryllium

Isotopes of the Element Lithium

[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
67.59%STABLE
792.41%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
3No Data AvailableProton Emission (suspected)No Data Available
47.557×10-23 secondsProton Emission100.00%
53.038×10-22 secondsProton Emission100.00%
Alpha Decay100.00%
6STABLE--
7STABLE--
8839.9 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Alpha Decay
100.00%
9178.3 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
50.80%
10No Data AvailableNeutron Emission100.00%
118.75 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
83.0%
Beta-minus Decay with delayed
Double Neutron Emission
4.1%
Beta-minus Decay with
delayed Neutron Emission
and delayed Alpha Decay
0.027%
1210 nanosecondsNeutron Emission (suspected)No Data Available
13No Data AvailableNo Data AvailableNo Data Available