Table
| nuclide symbol |
Z(p) | N(n) | isotopic mass (u) |
half-life | decay mode(s) | daughter isotope(s) |
nuclear spin |
representative isotopic composition (mole fraction) |
range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|---|---|
| 8C | 6 | 2 | 8.037675(25) | 2.0(4) × 10−21 s |
2p | 6Be | 0+ | ||
| 9C | 6 | 3 | 9.0310367(23) | 126.5(9) ms | β+ (60%) | 9B | (3/2-) | ||
| β+, p (23%) | 8Be | ||||||||
| β+, α (17%) | 5Li | ||||||||
| 10C | 6 | 4 | 10.0168532(4) | 19.290(12) s | β+ | 10B | 0+ | ||
| 11C | 6 | 5 | 11.0114336(10) | 20.334(24) min | β+ (99.79%) | 11B | 3/2- | ||
| K-capture (.21%) | 11B | ||||||||
| 12C | 6 | 6 | 12 exactly | Stable | 0+ | 0.9893(8) | 0.98853-0.99037 | ||
| 13C | 6 | 7 | 13.0033548378(10) | Stable | 1/2- | 0.0107(8) | 0.00963-0.01147 | ||
| 14C | 6 | 8 | 14.003241989(4) | 5.730 × 103 years | β− | 14N | 0+ | Trace | <10−12 |
| 15C | 6 | 9 | 15.0105993(9) | 2.449(5) s | β− | 15N | 1/2+ | ||
| 16C | 6 | 10 | 16.014701(4) | 0.747(8) s | β−, n (97.9%) | 15N | 0+ | ||
| β− (2.1%) | 16N | ||||||||
| 17C | 6 | 11 | 17.022586(19) | 193(5) ms | β− (71.59%) | 17N | (3/2+) | ||
| β−, n (28.41%) | 16N | ||||||||
| 18C | 6 | 12 | 18.02676(3) | 92(2) ms | β− (68.5%) | 18N | 0+ | ||
| β−, n (31.5%) | 17N | ||||||||
| 19C | 6 | 13 | 19.03481(11) | 46.2(23) ms | β−, n (47.0%) | 18N | (1/2+) | ||
| β− (46.0%) | 19N | ||||||||
| β−, 2n (7%) | 17N | ||||||||
| 20C | 6 | 14 | 20.04032(26) | 16(3) ms |
β−, n (72.0%) | 19N | 0+ | ||
| β− (28.0%) | 20N | ||||||||
| 21C | 6 | 15 | 21.04934(54)# | <30 ns | n | 20C | (1/2+)# | ||
| 22C | 6 | 16 | 22.05720(97)# | 6.2(13) ms |
β− | 22N | 0+ | ||
Read more about this topic: Isotopes Of Carbon
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