Periodic Table of Elements

Sg - Seaborgium

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Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
Sg258258.113152Syn0+~2.9ms    
Sg259259.115153Syn1/2+0.48sαRf255>809.870
 0.48sSF <20 
Sg260260.1144154Syn0+3.6msαRf256509.920
 3.6msSF 50 
Sg261261.116155Syn 0.23sαRf257>909.810
 0.23sSF <10 
Sg262262.116156Syn0+     
Sg263263.118157Syn 0.8sSF ~70 
 0.8sαRf259~309.590
Sg264264.119158Syn0+     
Sg265265.121159Syn1/2+10sSF <50 
 10sαRf261 9.200
Sg266266.122160Syn0+21sSF <50 
 21sαRf262 9.100
NuclidePotential Parent Nuclides
Sg258None known
Sg259Hs263 (Syn)
Sg260Hs264 (Syn)
Sg261Hs265 (Syn)
Sg262None known
Sg263None known
Sg264None known
Sg265None known
Sg266None 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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