Rb
Рубідій
Z 37 85,468 г/мольЛужний метал
| 85Rb | 48 | 84,9118 | -82 167,341 | 72,17% | Стабільний | 5/2- | --- | 1921 |
| 87Rb | 50 | 86,9092 | -84 597,802 | 27,83% | 49,7 Гр | 3/2- | β⁻→87Sr(100%) | 1921 |
| 71Rb | 34 | 70,9653 | -32 290,0 | --- | --- | (5/2-) | p→70Kr | --- |
| 71mRb | 34 | 70,9654 | -32 240,0 | --- | --- | (1/2-) | --- | --- |
| 71nRb | 34 | 70,9656 | -32 030,0 | --- | --- | (9/2+) | --- | --- |
| 72Rb | 35 | 71,9589 | -38 330,0 | --- | 103,0 нс | (1+) | p→71Kr | 2017 |
| 72mRb | 35 | 71,959 | -38 230,0 | --- | --- | (3-) | p→71Kr | --- |
| 73Rb | 36 | 72,9506 | -46 010,0 | --- | --- | (3/2-) | p→72Kr(100%) β⁺→73Kr | 1996 |
| 73mRb | 36 | 72,9511 | -45 580,0 | --- | --- | (9/2+) | --- | --- |
| 74Rb | 37 | 73,9443 | -51 916,0 | --- | 64,78 мс | 0+ | β⁺→74Kr(100%) β⁺p→73Br | 1977 |
| 75Rb | 38 | 74,9386 | -57 218,7 | --- | 19,0 с | 3/2- | β⁺→75Kr(100%) | 1975 |
| 76Rb | 39 | 75,9351 | -60 479,1 | --- | 36,5 с | 1- | β⁺→76Kr(~100%) β⁺α→72Se(3,8е-7%) | 1969 |
| 76mRb | 39 | 75,9354 | -60 162,2 | --- | 3,05 мкс | (4+) | γ→76Rb(100%) | 1986 |
| 77Rb | 40 | 76,9304 | -64 830,5 | --- | 3,78 хв | 3/2- | β⁺→77Kr(100%) | 1972 |
| 78Rb | 41 | 77,9281 | -66 935,0 | --- | 17,66 хв | 0+ | β⁺→78Kr(100%) | 1968 |
| 78mRb | 41 | 77,9282 | -66 888,0 | --- | 910,0 нс | (1-) | γ→78Rb(100%) | 1996 |
| 78nRb | 41 | 77,9283 | -66 824,0 | --- | 5,74 хв | 4- | β⁺→78Kr(91%) γ→78Rb(9%) | 1968 |
| 79Rb | 42 | 78,924 | -70 802,8 | --- | 22,9 хв | 5/2+ | β⁺→79Kr(100%) | 1957 |
| 80Rb | 43 | 79,9225 | -72 175,5 | --- | 33,4 с | 1+ | β⁺→80Kr(100%) | 1961 |
| 80mRb | 43 | 79,923 | -71 681,6 | --- | 1,63 мкс | (6+) | γ→80Rb(100%) | 1980 |
| 81Rb | 44 | 80,919 | -75 457,0 | --- | 4,57 год | 3/2- | β⁺→81Kr(100%) | 1949 |
| 81mRb | 44 | 80,9191 | -75 371,0 | --- | 30,5 хв | 9/2+ | γ→81Rb(97,6%) β⁺→81Kr(2,4%) | 1956 |
| 82Rb | 45 | 81,9182 | -76 188,0 | --- | 1,26 хв | 1+ | β⁺→82Kr(100%) | 1949 |
| 82mRb | 45 | 81,9183 | -76 118,8 | --- | 6,47 год | 5- | β⁺→82Kr(~100%) γ→82Rb(<0,33%) | 1957 |
| 83Rb | 46 | 82,9151 | -79 070,6 | --- | 86,2 д | 5/2- | EC→83Kr(100%) | 1950 |
| 83mRb | 46 | 82,9152 | -79 028,5 | --- | 7,8 мс | 9/2+ | γ→83Rb(100%) | 1968 |
| 84Rb | 47 | 83,9144 | -79 759,0 | --- | 32,82 д | 2- | β⁺→84Kr(96,1%) β⁻→84Sr(3,9%) | 1947 |
| 84mRb | 47 | 83,9149 | -79 295,4 | --- | 20,26 хв | 6- | γ→84Rb(~100%) β⁺→84Kr(<0,001%) | 1940 |
| 85mRb | 48 | 84,9123 | -81 653,335 | --- | 1,02 мкс | 9/2+ | γ→85Rb(100%) | 1964 |
| 86Rb | 49 | 85,9112 | -82 747,0 | --- | 18,65 д | 2- | β⁻→86Sr(~100%) EC→86Kr(0,005%) | 1941 |
| 86mRb | 49 | 85,9118 | -82 190,95 | --- | 1,02 хв | 6- | γ→86Rb(~100%) β⁻→86Sr(<0,3%) | 1951 |
| 88Rb | 51 | 87,9113 | -82 609,0 | --- | 17,78 хв | 2- | β⁻→88Sr(100%) | 1939 |
| 88mRb | 51 | 87,9128 | -81 235,2 | --- | 123,0 нс | (7+) | γ→88Rb(100%) | 2000 |
| 89Rb | 52 | 88,9123 | -81 712,0 | --- | 15,32 хв | 3/2- | β⁻→89Sr(100%) | 1940 |
| 90Rb | 53 | 89,9148 | -79 366,0 | --- | 2,63 хв | 0- | β⁻→90Sr(100%) | 1951 |
| 90mRb | 53 | 89,9149 | -79 259,0 | --- | 4,3 хв | 3- | β⁻→90Sr(97,4%) γ→90Rb(2,5%) | 1967 |
| 91Rb | 54 | 90,9165 | -77 745,0 | --- | 58,2 с | 3/2- | β⁻→91Sr(100%) β⁻n→90Sr | 1951 |
| 92Rb | 55 | 91,9197 | -74 772,0 | --- | 4,48 с | 0- | β⁻→92Sr(99,989%) β⁻n→91Sr(0,011%) | 1960 |
| 93Rb | 56 | 92,922 | -72 620,0 | --- | 5,84 с | 5/2- | β⁻→93Sr(98,61%) β⁻n→92Sr(1,39%) | 1960 |
| 93mRb | 56 | 92,9268 | -68 197,0 | --- | 111,0 нс | (27/2-) | γ→93Rb(100%) | 2010 |
| 94Rb | 57 | 93,9264 | -68 562,8 | --- | 2,7 с | 3- | β⁻→94Sr(89,7%) β⁻n→93Sr(10,3%) | 1961 |
| 94mRb | 57 | 93,9265 | -68 458,6 | --- | 130,0 нс | (0-) | γ→94Rb(100%) | 2016 |
| 94nRb | 57 | 93,9286 | -66 487,9 | --- | 107,0 нс | (10-) | γ→94Rb(100%) | 2008 |
| 95Rb | 58 | 94,9293 | -65 890,0 | --- | 377,7 мс | 5/2- | β⁻→95Sr(91,3%) β⁻n→94Sr(8,7%) | 1967 |
| 95mRb | 58 | 94,9302 | -65 055,0 | --- | --- | (9/2+) | γ→95Rb(100%) | 2009 |
| 96Rb | 59 | 95,9341 | -61 354,0 | --- | 201,5 мс | 2- | β⁻→96Sr(86,3%) β⁻n→95Sr(13,7%) β⁻n→94Sr | 1967 |
| 96mRb | 59 | 95,9341 | -61 350,0 | --- | 200,0 мс | (1+) | β⁻→96Sr γ→96Rb β⁻n→95Sr β⁻n→94Sr | 1981 |
| 96nRb | 59 | 95,9354 | -60 219,0 | --- | 1,8 мкс | (10-) | γ→96Rb(100%) | 1999 |
| 97Rb | 60 | 96,9372 | -58 519,1 | --- | 169,1 мс | 3/2+ | β⁻→97Sr(74,5%) β⁻n→96Sr(25,5%) β⁻n→95Sr | 1969 |
| 97mRb | 60 | 96,9373 | -58 442,5 | --- | 5,7 мкс | (1/2-) | γ→97Rb(100%) | 2012 |
| 98Rb | 61 | 97,9416 | -54 369,0 | --- | 115,0 мс | (0-) | β⁻→98Sr(85,646%) β⁻n→97Sr(14,3%) β⁻n→96Sr(0,054%) | 1971 |
| 98mRb | 61 | 97,9417 | -54 296,0 | --- | 96,0 мс | (3+) | β⁻→98Sr(100%) β⁻n→97Sr β⁻n→96Sr | 1980 |
| 98nRb | 61 | 97,9418 | -54 191,0 | --- | 358,0 нс | (2-) | γ→98Rb(100%) | 2009 |
| 99Rb | 62 | 98,9451 | -51 121,0 | --- | 54,0 мс | (3/2+) | β⁻→99Sr(82,7%) β⁻n→98Sr(17,3%) β⁻n→97Sr | 1971 |
| 100Rb | 63 | 99,9503 | -46 266,0 | --- | 51,3 мс | (4-) | β⁻→100Sr(94,25%) β⁻n→99Sr(5,6%) β⁻n→98Sr(0,15%) | 1978 |
| 101Rb | 64 | 100,9543 | -42 567,0 | --- | 31,8 мс | (3/2+) | β⁻→101Sr(72%) β⁻n→100Sr(28%) β⁻n→99Sr | 1992 |
| 102Rb | 65 | 101,96 | -37 250,0 | --- | 37,0 мс | (4+) | β⁻n→101Sr(65%) β⁻→102Sr(35%) β⁻n→100Sr | 1995 |
| 103Rb | 66 | 102,9644 | -33 160,0 | --- | 26,0 мс | (3/2+) | β⁻→103Sr(100%) β⁻n→102Sr β⁻n→101Sr | 2010 |
| 104Rb | 67 | 103,9705 | -27 450,0 | --- | 35,0 мс | --- | β⁻→104Sr β⁻n→103Sr β⁻n→102Sr | 2018 |