Vissza Astrojan csillagászati képgyűjteményhez

Isotopes of the Element Sodium

[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
23100%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
181.3×10-21 secondsProton Emission100.00%
19< 40 nanosecondsProton EmissionNo Data Available
20447.9 millisecondsElectron Capture with
delayed Alpha Decay
20.05%
Electron Capture100.00%
2122.49 secondsElectron Capture100.00%
222.6027 yearsElectron Capture100.00%
23STABLE--
2414.997 hoursBeta-minus Decay100.00%
24m20.18 millisecondsIsomeric Transition99.95%
Beta-minus Decay~ 0.05%
2559.1 secondsBeta-minus Decay100.00%
261.07128 secondsBeta-minus Decay100.00%
27301 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
0.13%
2830.5 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
0.58%
2944.9 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
21.50%
3048 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
30.00%
Beta-minus Decay with delayed
Double Neutron Emission
1.15%
Beta-minus Decay with
delayed Alpha Decay
5.5×10-5 %
3117.0 millisecondsBeta-minus Decay with delayed
Double Neutron Emission
0.87%
Beta-minus Decay with
delayed Triple Neutron Emission  
< 0.05%
Beta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
37.00%
3213.2 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
24.00%
Beta-minus Decay with delayed
Double Neutron Emission
8.00%
338.0 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
47.00%
Beta-minus Decay with delayed
Double Neutron Emission
13.00%
345.5 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with delayed
Double Neutron Emission
~ 50.00%
Beta-minus Decay with
delayed Neutron Emission
~ 15.00%
351.5 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
No Data Available
36< 180 nanoseconds   Neutron EmissionNo Data Available
37> 60 nanosecondsBeta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus DecayNo Data Available