B
Бор
Z 5 10,81 г/мольМеталоїд
| 11B | 6 | 11,0093 | 8 667,708 | 80,35% | Стабільний | 3/2- | --- | 1920 |
| 10B | 5 | 10,0129 | 12 050,611 | 19,65% | Стабільний | 3+ | --- | 1920 |
| 6B | 1 | 6,0508 | 47 320,0 | --- | --- | (2-) | p→4Li | --- |
| 7B | 2 | 7,0297 | 27 677,0 | --- | 570,0 йс | (3/2-) | p→6Be(100%) | 1967 |
| 8B | 3 | 8,0246 | 22 921,6 | --- | 771,9 мс | 2+ | β⁺α→4He(100%) | 1950 |
| 9B | 4 | 9,0133 | 12 416,5 | --- | 800,0 зс | 3/2- | p→8Be(100%) | 1940 |
| 12B | 7 | 12,0144 | 13 369,4 | --- | 20,2 мс | 1+ | β⁻→12C(99,4%) β⁻α→8Be(0,6%) | 1935 |
| 13B | 8 | 13,0178 | 16 561,9 | --- | 17,16 мс | 3/2- | β⁻→13C(99,734%) β⁻n→12C(0,266%) | 1956 |
| 14B | 9 | 14,0254 | 23 664,0 | --- | 12,36 мс | 2- | β⁻→14C(93,96%) β⁻n→13C(6,04%) β⁻n→12C | 1966 |
| 15B | 10 | 15,0311 | 28 957,0 | --- | 10,18 мс | 3/2- | β⁻n→14C(98,7%) β⁻n→13C(<1,5%) β⁻→15C(1,3%) | 1966 |
| 16B | 11 | 16,0398 | 37 112,0 | --- | --- | (0-) | n→15B | 2000 |
| 17B | 12 | 17,0469 | 43 720,0 | --- | 5,08 мс | (3/2-) | β⁻n→16C(63%) β⁻→17C(21,1%) β⁻n→15C(12%) β⁻n→14C(3,5%) β⁻n(0,4%) | 1973 |
| 18B | 13 | 18,0556 | 51 790,0 | --- | --- | (2-) | n→17B(100%) | 2010 |
| 19B | 14 | 19,0642 | 59 770,0 | --- | 2,92 мс | (3/2-) | β⁻n→18C(71%) β⁻n→17C(17%) β⁻→19C(12%) β⁻n→16C(<9,1%) | 1984 |
| 20B | 15 | 20,0745 | 69 400,0 | --- | --- | (1-) | n→19B(100%) β⁻n→19C β⁻n→18C | 2018 |
| 21B | 16 | 21,0841 | 78 380,0 | --- | --- | (3/2-) | n→19B(100%) | 2018 |