Ta
Тантал
Z 73 180,948 г/мольПерехідний метал
| 181Ta | 108 | 180,948 | -48 439,1 | 99,988% | Стабільний | 7/2+ | --- | 1932 |
| 180mTa | 107 | 179,9475 | -48 858,3 | 0,012% | Стабільний | 9- | β⁻→180W | 1940 |
| 155Ta | 82 | 154,9742 | -23 990,0 | --- | 3,2 мс | 11/2- | p→154Hf(100%) | 2007 |
| 156Ta | 83 | 155,9721 | -26 000,0 | --- | 106,0 мс | (2-) | p→155Hf(71%) β⁺→156Hf(29%) | 1992 |
| 156mTa | 83 | 155,9722 | -25 910,0 | --- | 360,0 мс | (9+) | β⁺→156Hf(95,8%) p→155Hf(4,2%) | 1993 |
| 157Ta | 84 | 156,9682 | -29 600,0 | --- | 10,1 мс | 1/2+ | α→153Lu(96,6%) p→156Hf(3,4%) β⁺→157Hf | 1979 |
| 157mTa | 84 | 156,9683 | -29 570,0 | --- | 4,3 мс | 11/2- | α→153Lu(100%) β⁺→157Hf | 1996 |
| 157nTa | 84 | 156,9699 | -28 000,0 | --- | 1,7 мс | (25/2-) | α→153Lu(100%) | 1996 |
| 158Ta | 85 | 157,9666 | -31 120,0 | --- | 49,0 мс | (2-) | α→154Lu(100%) β⁺→158Hf | 1979 |
| 158mTa | 85 | 157,9667 | -30 980,0 | --- | 36,0 мс | (9+) | α→154Lu(95%) β⁺→158Hf γ→158Ta | 1979 |
| 158nTa | 85 | 157,9696 | -28 310,0 | --- | 6,1 мкс | (19-) | γ→158Ta(98,6%) α→154Lu(1,4%) | 2014 |
| 159Ta | 86 | 158,963 | -34 439,0 | --- | 1,04 с | 1/2+ | β⁺→159Hf(66%) α→155Lu(34%) | 1979 |
| 159mTa | 86 | 158,9631 | -34 375,0 | --- | 560,0 мс | 11/2- | α→155Lu(55%) β⁺→159Hf(45%) | 1994 |
| 160Ta | 87 | 159,9615 | -35 820,0 | --- | 1,7 с | (2-) | β⁺→160Hf α→156Lu | 1979 |
| 160mTa | 87 | 159,9617 | -35 710,0 | --- | 1,55 с | (9+) | β⁺→160Hf α→156Lu | 1979 |
| 161Ta | 88 | 160,9584 | -38 779,0 | --- | 3,0 с | (1/2+) | β⁺→161Hf α→157Lu | 1979 |
| 161mTa | 88 | 160,9584 | -38 717,0 | --- | 3,08 с | (11/2-) | β⁺→161Hf(93%) α→157Lu(7%) | 1979 |
| 162Ta | 89 | 161,9573 | -39 780,0 | --- | 3,57 с | (3-) | β⁺→162Hf(99,926%) α→158Lu(0,074%) | 1985 |
| 162mTa | 89 | 161,9574 | -39 660,0 | --- | 5,0 с | (7+) | β⁺→162Hf γ→162Ta α→158Lu | --- |
| 163Ta | 90 | 162,9543 | -42 530,0 | --- | 10,6 с | 1/2+ | β⁺→163Hf(100%) α→159Lu | 1985 |
| 163mTa | 90 | 162,9545 | -42 400,0 | --- | 10,0 с | 9/2- | β⁺→163Hf α→159Lu γ→163Ta | --- |
| 164Ta | 91 | 163,9535 | -43 283,0 | --- | 14,2 с | (3+) | β⁺→164Hf(100%) | 1982 |
| 165Ta | 92 | 164,9508 | -45 848,0 | --- | 31,0 с | (1/2+) | β⁺→165Hf(100%) | 1982 |
| 165mTa | 92 | 164,9508 | -45 823,0 | --- | 30,0 с | (9/2-) | β⁺→165Hf α→161Lu | --- |
| 166Ta | 93 | 165,9505 | -46 098,0 | --- | 34,4 с | (2+) | β⁺→166Hf(100%) | 1977 |
| 167Ta | 94 | 166,9481 | -48 351,0 | --- | 1,33 хв | (3/2+) | β⁺→167Hf(100%) | 1982 |
| 168Ta | 95 | 167,948 | -48 394,0 | --- | 2,0 хв | (3+) | β⁺→168Hf(100%) | 1969 |
| 169Ta | 96 | 168,946 | -50 290,0 | --- | 4,9 хв | (5/2+) | β⁺→169Hf(100%) | 1969 |
| 170Ta | 97 | 169,9462 | -50 138,0 | --- | 6,76 хв | (3+) | β⁺→170Hf(100%) | 1969 |
| 171Ta | 98 | 170,9445 | -51 720,0 | --- | 23,3 хв | (5/2+) | β⁺→171Hf(100%) | 1969 |
| 172Ta | 99 | 171,9449 | -51 330,0 | --- | 36,8 хв | (3+) | β⁺→172Hf(100%) | 1964 |
| 173Ta | 100 | 172,9437 | -52 397,0 | --- | 3,14 год | 5/2- | β⁺→173Hf(100%) | 1960 |
| 173mTa | 100 | 172,9439 | -52 224,0 | --- | 205,2 нс | 9/2- | γ→173Ta(100%) | 1977 |
| 173nTa | 100 | 172,9456 | -50 680,0 | --- | 132,0 нс | 21/2- | γ→173Ta(100%) | 2006 |
| 174Ta | 101 | 173,9445 | -51 741,0 | --- | 1,14 год | 3+ | β⁺→174Hf(100%) | 1960 |
| 175Ta | 102 | 174,9437 | -52 409,0 | --- | 10,5 год | 7/2+ | β⁺→175Hf(100%) | 1960 |
| 175mTa | 102 | 174,9439 | -52 278,0 | --- | 222,0 нс | 9/2- | γ→175Ta(100%) | 1972 |
| 175nTa | 102 | 174,9441 | -52 070,0 | --- | 170,0 нс | (1/2+) | γ→175Ta(100%) | 1969 |
| 176Ta | 103 | 175,9449 | -51 370,0 | --- | 8,09 год | (1-) | β⁺→176Hf(100%) | 1948 |
| 176mTa | 103 | 175,945 | -51 270,0 | --- | 1,08 мс | 7+ | γ→176Ta(100%) | 1971 |
| 176nTa | 103 | 175,9464 | -49 900,0 | --- | 3,8 мкс | 14- | γ→176Ta(100%) | 1978 |
| 177Ta | 104 | 176,9445 | -51 715,0 | --- | 2,35 д | 7/2+ | β⁺→177Hf(100%) | 1948 |
| 177mTa | 104 | 176,9446 | -51 642,0 | --- | 410,0 нс | 9/2- | γ→177Ta(100%) | 1973 |
| 177nTa | 104 | 176,9447 | -51 529,0 | --- | 3,62 мкс | 5/2- | γ→177Ta(100%) | 1971 |
| 178Ta | 105 | 177,9457 | -50 600,0 | --- | 2,36 год | 7- | β⁺→178Hf(100%) | 1950 |
| 178mTa | 105 | 177,9458 | -50 498,0 | --- | 9,31 хв | (1+) | β⁺→178Hf(100%) | 1950 |
| 178nTa | 105 | 177,9473 | -49 130,0 | --- | 59,0 мс | 15- | γ→178Ta(100%) | 1979 |
| 179Ta | 106 | 178,9459 | -50 357,5 | --- | 1,82 р | 7/2+ | EC→179Hf(100%) | 1950 |
| 179mTa | 106 | 178,946 | -50 326,8 | --- | 1,42 мкс | 9/2- | γ→179Ta(100%) | 1964 |
| 179nTa | 106 | 178,9465 | -49 837,3 | --- | 280,0 нс | 1/2+ | γ→179Ta(100%) | 1974 |
| 180Ta | 107 | 179,9475 | -48 933,6 | --- | 8,15 год | 1+ | EC→180Hf(85%) β⁻→180W(15%) | 1938 |
| 180nTa | 107 | 179,949 | -47 481,2 | --- | 31,2 мкс | 15- | γ→180Ta(100%) | 1996 |
| 181mTa | 108 | 180,948 | -48 432,9 | --- | 6,05 мкс | 9/2- | γ→181Ta(100%) | 1979 |
| 181nTa | 108 | 180,9487 | -47 823,9 | --- | 18,0 мкс | 1/2+ | γ→181Ta(100%) | 1948 |
| 182Ta | 109 | 181,9502 | -46 430,7 | --- | 114,74 д | 3- | β⁻→182W(100%) | 1938 |
| 182mTa | 109 | 181,9502 | -46 414,4 | --- | 283,0 мс | 5+ | γ→182Ta(100%) | 1968 |
| 182nTa | 109 | 181,9507 | -45 911,1 | --- | 15,84 хв | 10- | γ→182Ta(100%) | 1947 |
| 183Ta | 110 | 182,9514 | -45 293,5 | --- | 5,1 д | 7/2+ | β⁻→183W(100%) | 1950 |
| 183mTa | 110 | 182,9515 | -45 220,3 | --- | 106,0 нс | 9/2- | γ→183Ta(100%) | 1967 |
| 183nTa | 110 | 182,9528 | -43 959,0 | --- | 900,0 нс | (19/2+) | γ→183Ta(100%) | 2009 |
| 184Ta | 111 | 183,954 | -42 839,0 | --- | 8,7 год | (5-) | β⁻→184W(100%) | 1955 |
| 185Ta | 112 | 184,9556 | -41 394,0 | --- | 49,4 хв | (7/2+) | β⁻→185W(100%) | 1950 |
| 185mTa | 112 | 184,956 | -40 988,0 | --- | 900,0 нс | (3/2+) | γ→185Ta(100%) | 2007 |
| 185nTa | 112 | 184,9569 | -40 121,0 | --- | 11,8 мс | 21/2- | γ→185Ta(100%) | 1999 |
| 186Ta | 113 | 185,9586 | -38 610,0 | --- | 10,5 хв | (3) | β⁻→186W(100%) | 1955 |
| 186mTa | 113 | 185,9589 | -38 270,0 | --- | 1,54 хв | (9+) | β⁻→186W γ→186Ta | 2010 |
| 187Ta | 114 | 186,9604 | -36 900,0 | --- | 2,3 хв | (7/2+) | β⁻→187W(100%) | 1999 |
| 187mTa | 114 | 186,9623 | -35 110,0 | --- | 7,3 с | (25/2-) | γ→187Ta(100%) β⁻→187W | 2010 |
| 187nTa | 114 | 186,9635 | -33 970,0 | --- | --- | (41/2+) | β⁻→187W γ→187Ta | 2010 |
| 188Ta | 115 | 187,9636 | -33 910,0 | --- | 19,6 с | (1-) | β⁻→188W(100%) | 1999 |
| 188mTa | 115 | 187,9637 | -33 810,0 | --- | 19,6 с | (7-) | γ→188Ta β⁻→188W | 2005 |
| 188nTa | 115 | 187,964 | -33 520,0 | --- | 3,6 мкс | (10+) | γ→188Ta(100%) | 2005 |
| 189Ta | 116 | 188,9657 | -31 960,0 | --- | 20,0 с | (7/2+) | β⁻→189W(100%) | 1999 |
| 189mTa | 116 | 188,9675 | -30 310,0 | --- | 1,6 мкс | (21/2-) | γ→189Ta(100%) | 2009 |
| 190Ta | 117 | 189,9692 | -28 720,0 | --- | 5,3 с | (3) | β⁻→190W(100%) | 2009 |
| 191Ta | 118 | 190,9715 | -26 520,0 | --- | 460,0 мс | (7/2+) | β⁻→191W | 2009 |
| 192Ta | 119 | 191,9752 | -23 100,0 | --- | 2,2 с | (2) | β⁻→192W(100%) β⁻n→191W | 2009 |
| 193Ta | 120 | 192,9777 | -20 810,0 | --- | 220,0 мс | (7/2+) | β⁻→193W β⁻n→192W | 2012 |
| 194Ta | 121 | 193,9816 | -17 130,0 | --- | 2,0 с | --- | β⁻→194W β⁻n→193W | 2012 |