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Copernicium

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Isotopes of the Element Ununtrium

[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

Ununtrium has no naturally occurring isotopes.

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
2780.24 millisecondsAlpha Decay100.00%
279No Data AvailableNo Data AvailableNo Data Available
280No Data AvailableNo Data AvailableNo Data Available
281No Data AvailableNo Data AvailableNo Data Available
2820.07 secondsAlpha Decay100.00%
283100 millisecondsAlpha Decay100.00%
2840.48 secondsAlpha Decay100.00%
2855.5 secondsAlpha Decay100.00%
Spontaneous FissionNo Data Available
28620 secondsAlpha Decay100.00%
Spontaneous FissionNo Data Available
287No Data AvailableAlpha Decay (suspected)No Data Available
Spontaneous Fission (suspected)No Data Available