Al
Алюміній
Z 13 26,982 г/мольПісляперехідний метал
| 27Al | 14 | 26,9815 | -17 196,86 | 100,0% | Стабільний | 5/2+ | --- | 1922 |
| 21Al | 8 | 21,0291 | 27 090,0 | --- | --- | (5/2+) | p→20Mg | --- |
| 22Al | 9 | 22,0195 | 18 200,0 | --- | 91,1 мс | (4+) | β⁺p→21Na(55%) β⁺→22Mg(43,862%) β⁺p→20Ne(1,1%) β⁺α→18Ne(0,038%) | 1982 |
| 23Al | 10 | 23,0072 | 6 748,1 | --- | 446,0 мс | 5/2+ | β⁺→23Mg(98,78%) β⁺p→22Na(1,22%) | 1969 |
| 24Al | 11 | 23,9999 | -48,81 | --- | 2,05 с | 4+ | β⁺→24Mg(99,963%) β⁺α→20Ne(0,035%) β⁺p→23Na(0,002%) | 1953 |
| 24mAl | 11 | 24,0004 | 376,99 | --- | 130,0 мс | 1+ | γ→24Al(82,5%) β⁺→24Mg(17,472%) β⁺α→20Ne(0,028%) | 1968 |
| 25Al | 12 | 24,9904 | -8 915,97 | --- | 7,17 с | 5/2+ | β⁺→25Mg(100%) | 1953 |
| 26Al | 13 | 25,9869 | -12 210,14 | --- | 717,0 кр | 5+ | β⁺→26Mg(100%) | 1934 |
| 26mAl | 13 | 25,9871 | -11 981,83 | --- | 6,35 с | 0+ | β⁺→26Mg(100%) | 1934 |
| 28Al | 15 | 27,9819 | -16 850,72 | --- | 2,24 хв | 3+ | β⁻→28Si(100%) | 1934 |
| 29Al | 16 | 28,9805 | -18 207,8 | --- | 6,56 хв | 5/2+ | β⁻→29Si(100%) | 1939 |
| 30Al | 17 | 29,983 | -15 864,1 | --- | 3,62 с | 3+ | β⁻→30Si(100%) | 1961 |
| 31Al | 18 | 30,9839 | -14 950,7 | --- | 644,0 мс | 5/2+ | β⁻→31Si(100%) β⁻n→30Si(<1,6%) | 1971 |
| 32Al | 19 | 31,9881 | -11 099,0 | --- | 32,6 мс | 1+ | β⁻→32Si(99,3%) β⁻n→31Si(0,7%) | 1971 |
| 32mAl | 19 | 31,9891 | -10 142,0 | --- | 200,0 нс | (4+) | γ→32Al(100%) | 1996 |
| 33Al | 20 | 32,9909 | -8 497,0 | --- | 41,46 мс | 5/2+ | β⁻→33Si(91,5%) β⁻n→32Si(8,5%) | 1971 |
| 34Al | 21 | 33,9968 | -2 997,6 | --- | 53,73 мс | 4- | β⁻→34Si(74%) β⁻n→33Si(26%) β⁻n→32Si | 1977 |
| 34mAl | 21 | 33,9968 | -2 951,1 | --- | 22,1 мс | 1+ | β⁻→34Si(89%) β⁻n→33Si(11%) β⁻n→32Si | 2012 |
| 35Al | 22 | 34,9998 | -224,0 | --- | 38,16 мс | (5/2+) | β⁻→35Si(64,2%) β⁻n→34Si(35,8%) β⁻n→33Si | 1979 |
| 36Al | 23 | 36,0064 | 5 950,0 | --- | 90,0 мс | --- | β⁻→36Si(100%) β⁻n→35Si(<31%) β⁻n→34Si | 1979 |
| 37Al | 24 | 37,0105 | 9 810,0 | --- | 11,4 мс | (5/2+) | β⁻n→36Si(52%) β⁻→37Si(48%) β⁻n→35Si(>1%) | 1979 |
| 38Al | 25 | 38,0177 | 16 470,0 | --- | 9,0 мс | (0-) | β⁻n→37Si(84%) β⁻→38Si(16%) β⁻n→36Si | 1989 |
| 39Al | 26 | 39,0231 | 21 490,0 | --- | 7,6 мс | (5/2+) | β⁻n→38Si(97%) β⁻→39Si(3%) β⁻n→37Si | 1989 |
| 40Al | 27 | 40,0309 | 28 820,0 | --- | 10,0 мс | --- | β⁻→40Si β⁻n→39Si β⁻n→38Si | 1996 |
| 41Al | 28 | 41,0371 | 34 590,0 | --- | 6,0 мс | (5/2+) | β⁻→41Si β⁻n→40Si β⁻n→39Si | 1997 |
| 42Al | 29 | 42,0451 | 41 990,0 | --- | 3,0 мс | --- | β⁻→42Si β⁻n→41Si β⁻n→40Si | 2007 |
| 43Al | 30 | 43,0518 | 48 270,0 | --- | 4,0 мс | (5/2+) | β⁻→43Si β⁻n→42Si β⁻n→41Si | 2007 |