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Livermorium

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(Ununoctium)

Ununoctium

Isotopes of the Element Ununseptium

[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

Ununseptium has no naturally occurring isotopes.

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
291No Data AvailableSpontaneous Fission (suspected)No Data Available
Alpha Decay (suspected)No Data Available
292No Data AvailableSpontaneous Fission (suspected)No Data Available
Alpha Decay (suspected)No Data Available
29314 millisecondsAlpha Decay100.00%
Spontaneous FissionNo Data Available
2940.08 secondsAlpha Decay100.00%