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Isotopes of the Element Neon

[Click for Main Data]         Proton Emission     Neutron Emission     Electron Emission     Positron Emission

Most of the isotope data on this site has been obtained from the National Nuclear Data Center.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
2090.48%STABLE
210.27%STABLE
229.25%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
169×10-21 secondsDouble Proton Emission100.00%
17109.2 millisecondsElectron Capture with
delayed Alpha Decay		No Data Available
Electron Capture100.00%
Electron Capture with
delayed Proton Emission		100.00%
181.6670 secondsElectron Capture100.00%
1917.22 secondsElectron Capture100.00%
20STABLE--
21STABLE--
22STABLE--
2337.24 secondsBeta-minus Decay100.00%
243.38 minutesBeta-minus Decay100.00%
25602 millisecondsBeta-minus Decay100.00%
26197 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission		0.13%
2731.5 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission		2.00%
2818.9 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission		12.0%
Beta-minus Decay3.60%
2914.8 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission		28.00%
Beta-minus Decay with delayed  
Double Neutron Emission		4.00%
307.3 millisecondsBeta-minus Decay8.90%
Beta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission		13.00%
313.4 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission		No Data Available
323.5 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission 		No Data Available
33< 180 nanoseconds   Neutron EmissionNo Data Available
34> 60 nanosecondsBeta-minus Decay with
delayed Neutron Emission		No Data Available
Beta-minus DecayNo Data Available