La
Лантан
Z 57 138,905 г/мольЛантаноїд
| 139La | 82 | 138,9064 | -87 222,4 | 99,9112% | Стабільний | 7/2+ | --- | 1924 |
| 138La | 81 | 137,9071 | -86 513,4 | 0,0888% | 103,0 Гр | 5+ | β⁺→138Ba(65,5%) β⁻→138Ce(34,5%) | 1947 |
| 116La | 59 | 115,957 | -40 050,0 | --- | 10,0 мс | --- | β⁺→116Ba β⁺p→115Cs p→115Ba | --- |
| 117La | 60 | 116,9503 | -46 270,0 | --- | 21,7 мс | (3/2+) | p→116Ba(100%) β⁺→117Ba β⁺p→116Cs | 2001 |
| 117mLa | 60 | 117,0 | 0,0 | --- | 10,0 мс | (9/2+) | --- | --- |
| 118La | 61 | 117,9467 | -49 620,0 | --- | 200,0 мс | (1-) | β⁺→118Ba β⁺p→117Cs | --- |
| 119La | 62 | 118,9409 | -55 020,0 | --- | 1,0 с | (11/2-) | β⁺→119Ba | --- |
| 120La | 63 | 119,9382 | -57 570,0 | --- | 2,8 с | (1-) | β⁺→120Ba(100%) β⁺p→119Cs | 1984 |
| 121La | 64 | 120,9332 | -62 190,0 | --- | 5,3 с | (11/2-) | β⁺→121Ba(100%) β⁺p→120Cs | 1988 |
| 122La | 65 | 121,9307 | -64 540,0 | --- | 8,6 с | (1-) | β⁺→122Ba(100%) β⁺p→121Cs | 1984 |
| 123La | 66 | 122,9263 | -68 650,0 | --- | 17,0 с | (11/2-) | β⁺→123Ba(100%) | 1978 |
| 124La | 67 | 123,9246 | -70 260,0 | --- | 29,21 с | (7-) | β⁺→124Ba(100%) | 1978 |
| 124mLa | 67 | 123,9247 | -70 160,0 | --- | 21,0 с | (2-) | β⁺→124Ba(100%) | 1992 |
| 125La | 68 | 124,9208 | -73 759,0 | --- | 1,08 хв | (11/2-) | β⁺→125Ba(100%) | 1973 |
| 125mLa | 68 | 124,9209 | -73 652,0 | --- | 390,0 мс | (3/2+) | γ→125La(100%) | 1998 |
| 126La | 69 | 125,9195 | -74 970,0 | --- | 54,0 с | (5-) | β⁺→126Ba(100%) | 1961 |
| 126mLa | 69 | 125,9197 | -74 760,0 | --- | 20,0 с | (1-) | β⁺→126Ba(100%) | 1997 |
| 127La | 70 | 126,9164 | -77 896,0 | --- | 5,1 хв | (11/2-) | β⁺→127Ba(100%) | 1963 |
| 127mLa | 70 | 126,9164 | -77 882,0 | --- | 3,7 хв | (3/2+) | β⁺→127Ba(100%) | 1963 |
| 128La | 71 | 127,9156 | -78 630,0 | --- | 5,18 хв | (5+) | β⁺→128Ba(100%) | 1961 |
| 128mLa | 71 | 127,9157 | -78 530,0 | --- | --- | (1-) | β⁺→128Ba(100%) γ→128La | 1995 |
| 129La | 72 | 128,9127 | -81 324,0 | --- | 11,6 хв | (3/2+) | β⁺→129Ba(100%) | 1963 |
| 129mLa | 72 | 128,9129 | -81 152,0 | --- | 560,0 мс | (11/2-) | γ→129La(100%) | 1969 |
| 130La | 73 | 129,9124 | -81 627,0 | --- | 8,7 хв | (3+) | β⁺→130Ba(100%) | 1961 |
| 130mLa | 73 | 129,9126 | -81 413,0 | --- | 742,0 нс | (5+) | γ→130La(100%) | 2012 |
| 131La | 74 | 130,9101 | -83 769,0 | --- | 59,0 хв | 3/2+ | β⁺→131Ba(100%) | 1951 |
| 131mLa | 74 | 130,9104 | -83 464,0 | --- | 170,0 мкс | 11/2- | γ→131La(100%) | 1966 |
| 132La | 75 | 131,9101 | -83 720,0 | --- | 4,59 год | 2- | β⁺→132Ba(100%) | 1951 |
| 132mLa | 75 | 131,9103 | -83 530,0 | --- | 24,3 хв | 6- | γ→132La(76%) β⁺→132Ba(24%) | 1969 |
| 133La | 76 | 132,9082 | -85 494,0 | --- | 3,91 год | 5/2+ | β⁺→133Ba(100%) | 1950 |
| 134La | 77 | 133,9085 | -85 219,0 | --- | 6,45 хв | 1+ | β⁺→134Ba(100%) | 1951 |
| 134mLa | 77 | 133,909 | -84 780,0 | --- | 29,0 мкс | (6-) | γ→134La(100%) | 1985 |
| 135La | 78 | 134,907 | -86 643,0 | --- | 18,91 год | 5/2+ | β⁺→135Ba(100%) | 1948 |
| 136La | 79 | 135,9076 | -86 040,0 | --- | 9,87 хв | 1+ | β⁺→136Ba(100%) | 1950 |
| 136mLa | 79 | 135,9079 | -85 780,0 | --- | 114,0 мс | (7-) | γ→136La(100%) | 1966 |
| 136nLa | 79 | 135,9103 | -83 520,0 | --- | 187,0 нс | (14+) | γ→136La(100%) | 2015 |
| 137La | 80 | 136,9065 | -87 140,9 | --- | 60,0 кр | 7/2+ | EC→137Ba(100%) | 1948 |
| 137mLa | 80 | 136,9085 | -85 271,4 | --- | 342,0 нс | 19/2- | γ→137La(100%) | 1982 |
| 138mLa | 81 | 137,9072 | -86 440,8 | --- | 116,0 нс | (3+) | γ→138La(100%) | 1975 |
| 138nLa | 81 | 137,9079 | -85 774,6 | --- | 2,0 мкс | 7- | γ→138La(100%) | 2014 |
| 139mLa | 82 | 138,9083 | -85 422,0 | --- | 315,0 нс | (17/2+) | γ→139La(100%) | 2012 |
| 140La | 83 | 139,9095 | -84 312,1 | --- | 1,68 д | 3- | β⁻→140Ce(100%) | 1935 |
| 141La | 84 | 140,911 | -82 930,0 | --- | 3,92 год | (7/2+) | β⁻→141Ce(100%) | 1951 |
| 142La | 85 | 141,9141 | -80 024,0 | --- | 1,52 год | 2- | β⁻→142Ce(100%) | 1953 |
| 142mLa | 85 | 141,9142 | -79 878,0 | --- | 870,0 нс | (4-) | γ→142La(100%) | 1983 |
| 143La | 86 | 142,9161 | -78 171,0 | --- | 14,2 хв | (7/2+) | β⁻→143Ce(100%) | 1951 |
| 144La | 87 | 143,9196 | -74 850,0 | --- | 44,0 с | (3-) | β⁻→144Ce(100%) | 1967 |
| 145La | 88 | 144,9218 | -72 835,0 | --- | 24,8 с | (5/2+) | β⁻→145Ce(100%) | 1974 |
| 146La | 89 | 145,9257 | -69 221,2 | --- | 9,9 с | (5-) | β⁻→146Ce(100%) | 1970 |
| 146mLa | 89 | 145,9258 | -69 079,7 | --- | 6,08 с | (1-) | β⁻→146Ce(100%) | 1969 |
| 147La | 90 | 146,9284 | -66 678,0 | --- | 4,03 с | (5/2+) | β⁻→147Ce(99,959%) β⁻n→146Ce(0,041%) | 1979 |
| 148La | 91 | 147,9327 | -62 709,0 | --- | 1,41 с | (2-) | β⁻→148Ce(99,82%) β⁻n→147Ce(0,18%) | 1969 |
| 149La | 92 | 148,9354 | -60 220,0 | --- | 1,07 с | (3/2-) | β⁻→149Ce(98,57%) β⁻n→148Ce(1,43%) | 1979 |
| 150La | 93 | 149,9395 | -56 311,1 | --- | 504,0 мс | (3+) | β⁻→150Ce(97,3%) β⁻n→149Ce(2,7%) | 1993 |
| 151La | 94 | 150,9428 | -53 310,0 | --- | 465,0 мс | (1/2+) | β⁻→151Ce(100%) β⁻n→150Ce | 1994 |
| 152La | 95 | 151,9471 | -49 290,0 | --- | 287,0 мс | (2-) | β⁻→152Ce(100%) β⁻n→151Ce | 1994 |
| 153La | 96 | 152,9506 | -46 060,0 | --- | 245,0 мс | (1/2+) | β⁻→153Ce(100%) β⁻n→152Ce β⁻n→151Ce | 1994 |
| 154La | 97 | 153,9554 | -41 530,0 | --- | 161,0 мс | (2-) | β⁻→154Ce(100%) β⁻n→153Ce β⁻n→152Ce | 2017 |
| 155La | 98 | 154,9593 | -37 930,0 | --- | 101,0 мс | (1/2+) | β⁻→155Ce(100%) β⁻n→154Ce β⁻n→153Ce | 2016 |
| 156La | 99 | 155,9645 | -33 050,0 | --- | 84,0 мс | (4+) | β⁻→156Ce(100%) β⁻n→155Ce | 2017 |
| 157La | 100 | 156,9688 | -29 070,0 | --- | 30,0 мс | (1/2+) | β⁻→157Ce β⁻n→156Ce | 2018 |