Periodic Table of Elements

Cl - Chlorine

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Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
Cl2828.02911Syn      
Cl2929.01412Syn      
Cl3030.00513Syn      
Cl3130.992414Syn 150msε + PP300.445.850
 150msεS31 11.980
Cl3231.985715Syn1+298msε + αSi280.015.737
 298msε + PP310.0073.821
 298msεS32 12.685
Cl3332.977516Syn3/2+2.511sεS33 5.583
Cl3433.973817Syn0+1.5264sεS34 5.492
meta state 0.146MeVSyn3+32mεS3455.45.638
 32mIT 44.60.146
Cl3534.96891875.773/2+Stable 
Cl3635.968319Syn2+301000yβ-Ar3698.10.709
 301000yεS361.91.142
Cl3736.96592024.233/2+Stable 
Cl3837.96821Syn2-37.24mβ-Ar38 4.917
meta state 0.671MeVSyn5-715msIT  0.671
Cl3938.96822Syn3/2+55.6mβ-Ar39 3.442
Cl4039.970423Syn2-1.35mβ-Ar40 7.480
Cl4140.970724Syn3/2+, 1/2+38.4sβ-Ar41 5.730
Cl4241.97325Syn 6.8sβ-Ar42 9.430
Cl4342.97426Syn 3.3sβ-Ar43 7.950
Cl4443.97927Syn 434msβ- + NAr43<83.920
 434msβ-Ar44 12.270
Cl4544.9828Syn 400msβ- + NAr44245.300
 400msβ-Ar45 10.800
Cl4645.98429Syn0+223msβ- + NAr45246.900
 223msβ-Ar46 14.900
Cl4746.98830Syn >200nsβ- + NAr46<=310.400
 >200nsβ-Ar47 14.700
Cl4847.99531Syn >200ns    
Cl4948.99932Syn =>170ns    
Cl5050.00833Syn      
Cl5151.0134Syn >200ns    
NuclidePotential Parent Nuclides
Cl28None known
Cl29None known
Cl30None known
Cl31None known
Cl32Ar32 (Syn)
Cl33Ar33 (Syn) Ca35 (Syn)
Cl34Ar34 (Syn) K35 (Syn)
meta state 0.146MeVNone known
Cl35Ar35 (Syn) K36 (Syn) S35 (Syn)
Cl36None known
Cl37Ar37 (Syn) S37 (Syn)
Cl38S38 (Syn)
meta state 0.671MeVNone known
Cl39S39 (Syn)
Cl40S40 (Syn)
Cl41S42 (Syn)
Cl42S42 (Syn) S43 (Syn)
Cl43S43 (Syn) S44 (Syn)
Cl44S44 (Syn) S45 (Syn)
Cl45S45 (Syn)
Cl46None known
Cl47None known
Cl48None known
Cl49None known
Cl50None known
Cl51None 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)

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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.

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