Periodic Table of Elements

H - Hydrogen

Hydrogen Menu

Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
H11.0078099.9851/2+Stable 
H22.014110.0151+Stable 
H33.0162Syn1/2+12.33yβ-He3 0.019
H44.0283Syn2- NH3 2.980
H55.044Syn      
H66.0455Syn      
NuclidePotential Parent Nuclides
H1B9 (Syn) Li5 (Syn)
H2C9 (Syn)
H3H4 (Syn)
H4None known
H5None known
H6None 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)

Hydrogen 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: