Co
Кобальт
Z 27 58,933 г/мольПерехідний метал
| 59Co | 32 | 58,9332 | -62 229,8 | 100,0% | Стабільний | 7/2- | --- | 1923 |
| 47Co | 20 | 47,0114 | 10 620,0 | --- | --- | (7/2-) | p→46Fe | --- |
| 48Co | 21 | 48,0019 | 1 730,0 | --- | --- | (6+) | p→47Fe | --- |
| 49Co | 22 | 48,9895 | -9 780,0 | --- | --- | (7/2-) | p→48Fe | --- |
| 50Co | 23 | 49,9811 | -17 590,0 | --- | 38,8 мс | (6+) | β⁺p→49Mn(70,5%) β⁺→50Fe(29,5%) β⁺p→48Cr | 1987 |
| 51Co | 24 | 50,9706 | -27 340,0 | --- | 68,8 мс | 7/2- | β⁺→51Fe(100%) β⁺p→50Mn(<3,8%) | 1987 |
| 52Co | 25 | 51,9631 | -34 344,0 | --- | 111,7 мс | 6+ | β⁺→52Fe(100%) β⁺p→51Mn | 1987 |
| 52mCo | 25 | 51,9635 | -33 968,0 | --- | 102,0 мс | 2+ | β⁺→52Fe(100%) γ→52Co β⁺p→51Mn | 2016 |
| 53Co | 26 | 52,9542 | -42 659,4 | --- | 244,6 мс | (7/2-) | β⁺→53Fe(100%) | 1970 |
| 53mCo | 26 | 52,9576 | -39 485,1 | --- | 250,0 мс | (19/2-) | p→52Fe(1,5%) β⁺→53Fe | 1970 |
| 54Co | 27 | 53,9485 | -48 010,1 | --- | 193,27 мс | 0+ | β⁺→54Fe(100%) | 1952 |
| 54mCo | 27 | 53,9487 | -47 812,5 | --- | 1,48 хв | 7+ | β⁺→54Fe(100%) | 1962 |
| 55Co | 28 | 54,942 | -54 030,0 | --- | 17,53 год | 7/2- | β⁺→55Fe(100%) | 1938 |
| 56Co | 29 | 55,9398 | -56 040,5 | --- | 77,24 д | 4+ | β⁺→56Fe(100%) | 1941 |
| 57Co | 30 | 56,9363 | -59 345,7 | --- | 271,81 д | 7/2- | EC→57Fe(100%) | 1941 |
| 58Co | 31 | 57,9358 | -59 847,3 | --- | 70,84 д | 2+ | β⁺→58Fe(100%) EC→58Fe(85,21%) β⁺(14,79%) | 1941 |
| 58mCo | 31 | 57,9358 | -59 822,4 | --- | 8,85 год | 5+ | γ→58Co(99,999%) EC→58Fe(0,001%) | 1950 |
| 58nCo | 31 | 57,9358 | -59 794,2 | --- | 10,5 мкс | 4+ | γ→58Co(100%) | 1964 |
| 60Co | 33 | 59,9338 | -61 650,4 | --- | 5,27 р | 5+ | β⁻→60Ni(100%) | 1941 |
| 60mCo | 33 | 59,9339 | -61 591,8 | --- | 10,47 хв | 2+ | γ→60Co(~100%) β⁻→60Ni(0,25%) | 1963 |
| 61Co | 34 | 60,9325 | -62 898,2 | --- | 1,65 год | 7/2- | β⁻→61Ni(100%) | 1947 |
| 62Co | 35 | 61,9341 | -61 424,0 | --- | 1,54 хв | (2+) | β⁻→62Ni(100%) | 1949 |
| 62mCo | 35 | 61,9341 | -61 402,0 | --- | 13,86 хв | (5+) | β⁻→62Ni(~100%) γ→62Co(<0,5%) | 1957 |
| 63Co | 36 | 62,9336 | -61 852,0 | --- | 26,9 с | 7/2- | β⁻→63Ni(100%) | 1960 |
| 64Co | 37 | 63,9358 | -59 792,0 | --- | 300,0 мс | 1+ | β⁻→64Ni(100%) | 1969 |
| 64mCo | 37 | 63,9359 | -59 686,0 | --- | 300,0 мс | (5+) | β⁻→64Ni γ→64Co | 2008 |
| 65Co | 38 | 64,9365 | -59 185,2 | --- | 1,16 с | (7/2-) | β⁻→65Ni(100%) | 1978 |
| 66Co | 39 | 65,9394 | -56 409,0 | --- | 194,0 мс | (1+) | β⁻→66Ni(100%) β⁻n→65Ni | 1985 |
| 66mCo | 39 | 65,9396 | -56 234,0 | --- | 824,0 нс | (3+) | γ→66Co(100%) | 1998 |
| 66nCo | 39 | 65,9401 | -55 767,0 | --- | --- | (8-) | γ→66Co(100%) | 1998 |
| 67Co | 40 | 66,9406 | -55 322,0 | --- | 329,0 мс | (7/2-) | β⁻→67Ni(100%) β⁻n→66Ni | 1985 |
| 67mCo | 40 | 66,9411 | -54 830,0 | --- | 496,0 мс | (1/2-) | γ→67Co(>80%) β⁻→67Ni | 2008 |
| 68Co | 41 | 67,9446 | -51 643,0 | --- | 200,0 мс | (7-) | β⁻→68Ni(100%) β⁻n→67Ni | 1985 |
| 68mCo | 41 | 67,9447 | -51 490,0 | --- | 1,6 с | (2-) | β⁻→68Ni(100%) β⁻n→67Ni(>2,6%) | 1998 |
| 68nCo | 41 | 67,9448 | -51 450,0 | --- | 101,0 нс | (1) | γ→68Co(100%) | 2010 |
| 69Co | 42 | 68,9459 | -50 390,0 | --- | 180,0 мс | (7/2-) | β⁻→69Ni(100%) β⁻n→68Ni | 1985 |
| 69mCo | 42 | 68,9461 | -50 213,0 | --- | 750,0 мс | (1/2-) | β⁻→69Ni(100%) | 2015 |
| 70Co | 43 | 69,9501 | -46 525,0 | --- | 508,0 мс | (1+) | β⁻→70Ni(100%) β⁻n→69Ni β⁻n→68Ni | 1998 |
| 70mCo | 43 | 69,9503 | -46 330,0 | --- | 112,0 мс | (7-) | β⁻→70Ni(100%) γ→70Co β⁻n→69Ni β⁻n→68Ni | 1985 |
| 71Co | 44 | 70,9524 | -44 370,0 | --- | 80,0 мс | (7/2-) | β⁻→71Ni(97%) β⁻n→70Ni(3%) | 1992 |
| 72Co | 45 | 71,9567 | -40 300,0 | --- | 51,5 мс | (6-) | β⁻→72Ni(100%) β⁻n→71Ni(>4%) β⁻n→70Ni | 1992 |
| 72mCo | 45 | 71,957 | -40 100,0 | --- | 47,8 мс | (0+) | β⁻→72Ni(100%) | 2016 |
| 73Co | 46 | 72,9592 | -37 970,0 | --- | 42,0 мс | (7/2-) | β⁻→73Ni(94%) β⁻n→72Ni(6%) β⁻n→71Ni | 1995 |
| 74Co | 47 | 73,964 | -33 540,0 | --- | 31,3 мс | (7-) | β⁻→74Ni(82%) β⁻n→73Ni(18%) β⁻n→72Ni | 1995 |
| 75Co | 48 | 74,9672 | -30 560,0 | --- | 26,5 мс | (7/2-) | β⁻→75Ni(100%) β⁻n→74Ni(<16%) β⁻n→73Ni | 1995 |
| 76Co | 49 | 75,9725 | -25 660,0 | --- | 23,0 мс | (8-) | β⁻→76Ni(100%) β⁻n→75Ni β⁻n→74Ni | 2010 |
| 76mCo | 49 | 75,9726 | -25 560,0 | --- | 16,0 мс | (1-) | β⁻→76Ni(100%) | 2015 |
| 76nCo | 49 | 75,9732 | -24 920,0 | --- | 2,99 мкс | (3+) | γ→76Co(100%) | 2015 |
| 77Co | 50 | 76,9765 | -21 910,0 | --- | 15,0 мс | (7/2-) | β⁻→77Ni(100%) β⁻n→76Ni β⁻n→75Ni β⁻n→74Ni | 2014 |
| 78Co | 51 | 77,9836 | -15 320,0 | --- | 11,0 мс | --- | β⁻→78Ni | 2017 |