Nuclide<\/b>[8]<\/span><\/td> | Z<\/i><\/b><\/td> | N<\/i><\/b><\/td> | Isotopic mass <\/b>(Da)<\/span>[9]<\/span>\n <\/p>\n [n 1]<\/span><\/p>\n<\/td> | Half-life<\/b>\n <\/p>\n [resonance width]<\/b><\/p>\n<\/td> | Decay<\/b>\n <\/p>\n mode<\/b><\/p>\n [n 2]<\/span><\/p>\n<\/td> | Daughter<\/b>\n <\/p>\n isotope<\/b><\/p>\n [n 3]<\/span><\/p>\n<\/td> | Spin and<\/b>\n <\/p>\n parity<\/b><\/p>\n [n 4][n 5]<\/span><\/p>\n<\/td> | Natural abundance <\/b>(mole fraction)<\/span><\/td> | Note<\/b><\/td><\/tr>Normal proportion<\/b><\/td> | Range of variation<\/b><\/td><\/tr>1<\/span>H<\/span><\/td> | 1<\/span><\/td> | 0<\/span><\/td> | 1.00782503224(9)<\/span><\/td> | Stable<\/b>[n 6][n 7]<\/span><\/td> | 1\/2+<\/span><\/td> | 0.999885(70)<\/span><\/td> | 0.999816\u20130.999974<\/span><\/td> | Protium<\/span><\/td><\/tr>2<\/span>H (D)<\/span>[n 8][n 9]<\/span><\/td> | 1<\/span><\/td> | 1<\/span><\/td> | 2.01410177811(12)<\/span><\/td> | Stable<\/b><\/td> | 1+<\/span><\/td> | 0.000115(70)<\/span>[n 10]<\/span><\/a><\/td> | 0.000026\u20130.000184<\/span><\/td> | Deuterium<\/span><\/td><\/tr>3<\/span>H (T)<\/span>[n 11]<\/span><\/td> | 1<\/span><\/td> | 2<\/span><\/td> | 3.01604928199(23)<\/span><\/td> | 12.32(2) y<\/span><\/td> | \u03b2<\/span>\u2212<\/span><\/td> | 3<\/b>He<\/b><\/td> | 1\/2+<\/span><\/td> | Trace<\/span>[n 12]<\/span><\/td> | <\/td> | Tritium<\/span><\/td><\/tr>4<\/span>H<\/span><\/td> | 1<\/span><\/td> | 3<\/span><\/td> | 4.02643(11)<\/span><\/td> | 1.39(10)\u00d710<\/span>\u221222<\/span> s<\/span>\n <\/p>\n [3.28(23) MeV]<\/span><\/p>\n<\/td> | n<\/span><\/td> | 3<\/span>H<\/span><\/td> | 2\u2212<\/span><\/td> | <\/td> | <\/td> | <\/td><\/tr> | 5<\/span>H<\/span><\/td> | 1<\/span><\/td> | 4<\/span><\/td> | 5.03531(10)<\/span><\/td> | > 9.1\u00d710<\/span>\u221222<\/span> s<\/span>\n <\/p>\n [< 0.5 MeV]<\/span><\/p>\n<\/td> | 2n<\/span><\/td> | 3<\/span>H<\/span><\/td> | (1\/2+)<\/span><\/td> | <\/td> | <\/td> | <\/td><\/tr> | 6<\/span>H<\/span><\/td> | 1<\/span><\/td> | 5<\/span><\/td> | 6.04496(27)<\/span><\/td> | 2.90(70)\u00d710<\/span>\u221222<\/span> s<\/span>\n <\/p>\n [1.6(4) MeV]<\/span><\/p>\n<\/td> | 3n<\/span><\/td> | 3<\/span>H<\/span><\/td> | 2\u2212#<\/span><\/td> | <\/td> | <\/td> | <\/td><\/tr> | 4n<\/span><\/td> | 2<\/b>H<\/b><\/td> | <\/td><\/tr> | 7<\/span>H<\/span><\/td> | 1<\/span><\/td> | 6<\/span><\/td> | 7.05275(108)#<\/span><\/td> | <\/td> | <\/td> | <\/td> | <\/td> | <\/td> | <\/td> | <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Source: Wikipedia<\/span><\/p>\n\n\n\n | | | | | |