Sr
Стронцій
Z 38 87,62 г/мольЛужноземельний метал
| 88Sr | 50 | 87,9056 | -87 921,629 | 82,58% | Стабільний | 0+ | --- | 1923 |
| 86Sr | 48 | 85,9093 | -84 523,1 | 9,86% | Стабільний | 0+ | --- | 1931 |
| 87Sr | 49 | 86,9089 | -84 880,076 | 7,0% | Стабільний | 9/2+ | --- | 1931 |
| 84Sr | 46 | 83,9134 | -80 649,6 | 0,56% | Стабільний | 0+ | β⁺ | 1936 |
| 73Sr | 35 | 72,9657 | -31 950,0 | --- | 25,3 мс | (5/2-) | β⁺p→72Kr(63%) β⁺→73Rb(37%) | 1993 |
| 74Sr | 36 | 73,9562 | -40 830,0 | --- | 27,6 мс | 0+ | β⁺→74Rb(100%) β⁺p→73Kr | 1995 |
| 75Sr | 37 | 74,95 | -46 620,0 | --- | 85,2 мс | (3/2-) | β⁺→75Rb(94,8%) β⁺p→74Kr(5,2%) | 1991 |
| 76Sr | 38 | 75,9418 | -54 250,0 | --- | 7,89 с | 0+ | β⁺→76Rb(99,997%) β⁺p→75Kr(0,003%) | 1990 |
| 77Sr | 39 | 76,9379 | -57 803,0 | --- | 9,0 с | 5/2+ | β⁺→77Rb(99,92%) β⁺p→76Kr(0,08%) | 1976 |
| 78Sr | 40 | 77,9322 | -63 174,0 | --- | 2,6 хв | 0+ | β⁺→78Rb(100%) | 1982 |
| 79Sr | 41 | 78,9297 | -65 480,0 | --- | 2,25 хв | 3/2- | β⁺→79Rb(100%) | 1972 |
| 80Sr | 42 | 79,9245 | -70 311,0 | --- | 1,77 год | 0+ | β⁺→80Rb(100%) | 1961 |
| 81Sr | 43 | 80,9232 | -71 528,0 | --- | 22,3 хв | 1/2- | β⁺→81Rb(100%) | 1952 |
| 81mSr | 43 | 80,9233 | -71 449,0 | --- | 390,0 нс | (5/2-) | γ→81Sr(100%) | 1983 |
| 81nSr | 43 | 80,9233 | -71 439,0 | --- | 6,4 мкс | (7/2+) | γ→81Sr | 1989 |
| 82Sr | 44 | 81,9184 | -76 010,0 | --- | 25,35 д | 0+ | EC→82Rb(100%) | 1952 |
| 83Sr | 45 | 82,9176 | -76 798,0 | --- | 1,35 д | 7/2+ | β⁺→83Rb(100%) | 1952 |
| 83mSr | 45 | 82,9178 | -76 539,0 | --- | 4,95 с | 1/2- | γ→83Sr(100%) | 1972 |
| 85Sr | 47 | 84,9129 | -81 103,3 | --- | 64,85 д | 9/2+ | EC→85Rb(100%) | 1940 |
| 85mSr | 47 | 84,9132 | -80 864,5 | --- | 1,13 год | 1/2- | γ→85Sr(86,6%) β⁺→85Rb(13,4%) | 1940 |
| 86mSr | 48 | 85,9124 | -81 567,01 | --- | 455,0 нс | 8+ | γ→86Sr(100%) | 1971 |
| 87mSr | 49 | 86,9093 | -84 491,547 | --- | 2,81 год | 1/2- | γ→87Sr(99,7%) EC→87Rb(0,3%) | 1940 |
| 89Sr | 51 | 88,9075 | -86 209,03 | --- | 50,56 д | 5/2+ | β⁻→89Y(100%) | 1937 |
| 90Sr | 52 | 89,9077 | -85 950,9 | --- | 28,91 р | 0+ | β⁻→90Y(100%) | 1948 |
| 91Sr | 53 | 90,9102 | -83 652,0 | --- | 9,65 год | 5/2+ | β⁻→91Y(100%) | 1943 |
| 92Sr | 54 | 91,911 | -82 867,0 | --- | 2,61 год | 0+ | β⁻→92Y(100%) | 1956 |
| 93Sr | 55 | 92,914 | -80 086,0 | --- | 7,43 хв | 5/2+ | β⁻→93Y(100%) | 1959 |
| 94Sr | 56 | 93,9154 | -78 845,7 | --- | 1,25 хв | 0+ | β⁻→94Y(100%) | 1959 |
| 95Sr | 57 | 94,9194 | -75 117,0 | --- | 23,9 с | 1/2+ | β⁻→95Y(100%) | 1961 |
| 96Sr | 58 | 95,9217 | -72 918,0 | --- | 1,06 с | 0+ | β⁻→96Y(100%) β⁻n→95Y | 1971 |
| 97Sr | 59 | 96,9264 | -68 581,0 | --- | 432,0 мс | 1/2+ | β⁻→97Y(99,98%) β⁻n→96Y(0,02%) | 1978 |
| 97mSr | 59 | 96,9267 | -68 273,0 | --- | 175,2 нс | 7/2+ | γ→97Sr(100%) | 1990 |
| 97nSr | 59 | 96,9273 | -67 750,0 | --- | 513,0 нс | (9/2+) | γ→97Sr(100%) | 1974 |
| 98Sr | 60 | 97,9287 | -66 422,0 | --- | 653,0 мс | 0+ | β⁻→98Y(99,77%) β⁻n→97Y(0,23%) | 1971 |
| 99Sr | 61 | 98,9329 | -62 519,0 | --- | 269,2 мс | 3/2+ | β⁻→99Y(99,9%) β⁻n→98Y(0,1%) | 1975 |
| 100Sr | 62 | 99,9358 | -59 818,0 | --- | 202,1 мс | 0+ | β⁻→100Y(98,89%) β⁻n→99Y(1,11%) | 1978 |
| 100mSr | 62 | 99,9375 | -58 199,0 | --- | 122,0 нс | (4-) | γ→100Sr(100%) | 1995 |
| 101Sr | 63 | 100,9406 | -55 325,0 | --- | 113,7 мс | (5/2-) | β⁻→101Y(97,25%) β⁻n→100Y(2,75%) | 1983 |
| 102Sr | 64 | 101,944 | -52 160,0 | --- | 69,0 мс | 0+ | β⁻→102Y(94,5%) β⁻n→101Y(5,5%) | 1986 |
| 103Sr | 65 | 102,9492 | -47 280,0 | --- | 53,0 мс | (5/2+) | β⁻→103Y(100%) β⁻n→102Y β⁻n→101Y | 1997 |
| 104Sr | 66 | 103,953 | -43 760,0 | --- | 50,6 мс | 0+ | β⁻→104Y(100%) β⁻n→103Y β⁻n→102Y | 1997 |
| 105Sr | 67 | 104,959 | -38 190,0 | --- | 39,0 мс | (5/2+) | β⁻→105Y(100%) β⁻n→104Y β⁻n→103Y | 1997 |
| 106Sr | 68 | 105,9632 | -34 300,0 | --- | 21,0 мс | 0+ | β⁻→106Y(100%) β⁻n→105Y β⁻n→104Y | 2010 |
| 107Sr | 69 | 106,9697 | -28 250,0 | --- | 25,0 мс | (1/2+) | β⁻→107Y β⁻n→106Y β⁻n→105Y | 2010 |