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Isotopes of hydrogen
Isotope Neutrons Protons Natural abundance Half-life Isotope mass Spin Excess energy Binding energy Decay modes Decay energy Decay products Decay particles
1H 0 1 99.985% stable 1.00794 u 1/2+ 7288.969 ± 0.001 keV 0.000 ± 0.000 keV
2H 1 1 0.015% stable 2.0141018 u 1+ 13135.720 ± 0.001 keV 2224.573 ± 0.002 keV
3H 2 1 synthetic 12.32 years 3.0160492 u 1/2+ 14949.794 ± 0.001 keV 8481.821 ± 0.004 keV Beta- emission 18.6 MeV helium-3 electron, anti-neutrino
4H 3 1 synthetic 9.93696x10-23 4.0279121 ? ? ? neutron emission 5.42 MeV helium-3 neutron
5H
6H
7H