Periodic Table of Elements

Ca - Calcium

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Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
Ca3434.01414Syn0+     
Ca3535.004815Syn 50msεK35 15.610
 50msε + PCl33 10.860
Ca3635.993116Syn0+102msε + PAr35579.320
 102msεK36 10.990
Ca3736.985917Syn3/2+181.1msε + PAr36769.781
 181.1msεK37 11.639
Ca3837.976318Syn0+440msεK38 6.743
Ca3938.970719Syn3/2+859.6msεK39 6.531
Ca4039.96262096.9410+Stable 
Ca4140.962321Syn7/2-103000yεK41 0.421
Ca4241.9586220.6470+Stable 
Ca4342.9588230.1357/2-Stable 
Ca4443.9555242.0860+Stable 
Ca4544.956225Syn7/2-162.61dβ-Sc45 0.257
Ca4645.9537260.0040+Stable 
Ca4746.954627Syn7/2-4.536dβ-Sc47 1.992
Ca4847.9525280.1870+>6E 18yβ-Ti48 4.272
Ca4948.955729Syn3/2-8.718mβ-Sc49 5.262
Ca5049.957530Syn0+13.9sβ-Sc50 4.966
Ca5150.961531Syn3/2-10sβ-Sc51 7.330
 10sβ- + NSc50 0.580
Ca5251.96532Syn0+4.6sβ-Sc52 7.900
Ca5352.9733Syn2-, 5/2-90msβ- + NSc52>304.500
 90msβ-Sc53 10.100
Ca5453.97534Syn0+ β-Sc54 10.900
Ca5554.98135Syn5/2-     
Ca5655.98636Syn      
Ca5756.9937Syn      
NuclidePotential Parent Nuclides
Ca34None known
Ca35None known
Ca36None known
Ca37None known
Ca38None known
Ca39Ti40 (Syn)
Ca40K40 (Natural) Sc40 (Syn) Ti41 (Syn) V44 (Syn)
Ca41Sc41 (Syn)
Ca42K42 (Syn) Sc42 (Syn) Sc42m (Syn)
Ca43K43 (Syn) Sc43 (Syn)
Ca44K44 (Syn) Sc44 (Syn) Sc44m (Syn)
Ca45K45 (Syn)
Ca46K46 (Syn)
Ca47K47 (Syn) K48 (Syn)
Ca48K48 (Syn) K49 (Syn)
Ca49K49 (Syn) K50 (Syn)
Ca50K50 (Syn) K51 (Syn)
Ca51K51 (Syn) K52 (Syn)
Ca52K52 (Syn) K53 (Syn)
Ca53K53 (Syn) K54 (Syn)
Ca54K54 (Syn)
Ca55None known
Ca56None known
Ca57None 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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