General
SymbolH
NamesTritium,
hydrogen-3, T, T
Protons (Z)1
Neutrons (N)2
Nuclide data
Natural abundance10 in hydrogen1
Half-life (t )12.32 years2
Isotope mass3.016049283 Da
Spin⁠1/2⁠ ħ
Excess energy14949.794±0.001 keV
Nuclear binding energy8481.7963±0.0009 keV
Decay productsHe
Decay modes
Decay modeDecay energy (MeV)
Beta emission0.0185923
Isotopes of hydrogen
Complete table of nuclides

Tritium

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Footnotes

  1. Tritium. Encyclopædia Britannica. 21 July 2023.

  2. Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). “The NUBASE2020 evaluation of nuclear properties” (PDF). Chinese Physics C. 45 (3) 030001. doi:10.1088/1674-1137/abddae.

  3. Wang, Meng; Huang, W.J.; Kondev, F.G.; Audi, G.; Naimi, S. (2021). “The AME 2020 atomic mass evaluation (II). Tables, graphs and references”. Chinese Physics C. 45 (3) 030003. doi:10.1088/1674-1137/abddaf. 2