Periodic Table of Elements

Na - Sodium

Sodium Menu

Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
Na1818.0277Syn      
Na1919.01398Syn      
Na2020.00749Syn2+447.9msεNe20 13.887
Na2120.997710Syn3/2+22.49sεNe21 3.547
Na2221.994411Syn3+2.6019yεNe22 2.842
Na2322.989812100.3/2+Stable 
Na2423.99113Syn4+14.9590hβ-Mg24 5.516
meta state 0.472MeVSyn1+20.2msIT 99.950.472
 20.2msβ-Mg240.055.988
Na2524.9914Syn5/2+59.1sβ-Mg25 3.835
Na2625.992615Syn3+1.072sβ-Mg26 9.312
Na2726.99416Syn5/2+301msβ- + NMg260.132.560
 301msβ-Mg27 9.010
Na2827.998917Syn1+30.5msβ- + NMg270.585.480
 30.5msβ-Mg28 13.990
Na2929.002818Syn3/2+44.9msβ-Mg29 13.280
meta state 0.000MeVSyn 44.9msβ- + NMg2821.59.570
Na3030.00919Syn2+48msβ- + NMg293011.180
 48msβ- + αNe260.000055.740
 48msβ-Mg30 17.480
Na3131.01420Syn3/2+17msβ- + NMg303713.470
 17msβ-Mg31 15.880
Na3232.0221Syn3-, 4-13.2msβ- + NMg312413.400
 13.2msβ-Mg32 19.100
Na3333.0322Syn 8.2msβ- + NMg325218.200
 8.2msβ-Mg33 20.300
Na3434.0323Syn 5.5msβ-Mg34 24.100
 5.5msβ- + NMg33 19.200
Na3535.0424Syn 1.5msβ-Mg35 24.900
 1.5msβ- + NMg34 24.600
NuclidePotential Parent Nuclides
Na18None known
Na19None known
Na20Mg20 (Syn)
Na21Al22 (Syn) Mg21 (Syn)
Na22Al23 (Syn) Mg22 (Syn)
Na23Mg23 (Syn) Ne23 (Syn)
Na24Ne24 (Syn)
meta state 0.472MeVNone known
Na25Ne25 (Syn)
Na26Ne26 (Syn) Ne27 (Syn)
Na27Ne27 (Syn) Ne28 (Syn)
Na28Ne28 (Syn) Ne29 (Syn)
Na29None known
meta state 0.000MeVNone known
Na30None known
Na31None known
Na32None known
Na33None known
Na34None known
Na35None known

Key:

  • NN = Number of Neutrons
  • Abun % = Natural Abundance (as a percentage)
  • Syn = Synthetic Nuclide (does not occur in nature)
  • DM = Decay Mode
    α = Alpha emission
    β- = Beta emission
    β- β- = Double beta decay
    β+ = Positron emission
    ε = Electron Capture
    IT = Isomeric Transition
    N = Neutron emission
    P = Proton emission
    SF = Spontaneous Fission
  • DT = Decays To
  • BR % = Branch Ratio (as a percentage)

Sodium Menu

References

A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

Related Resources

Citing this page

If you need to cite this page, you can copy this text: