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) |
|---|---|---|---|---|---|---|---|---|---|
| 5Be | 4 | 1 | 5.04079(429)# | p | 4Li | (1/2+)# | |||
| 6Be | 4 | 2 | 6.019726(6) | 5.0(3)×10−21 s |
2p | 4He | 0+ | ||
| 7Be | 4 | 3 | 7.01692983(11) | 53.22(6) d | EC | 7Li | 3/2- | Trace | |
| 8Be | 4 | 4 | 8.00530510(4) | 6.7(17)×10−17 s |
α | 4He | 0+ | ||
| 9Be | 4 | 5 | 9.0121822(4) | Stable | 3/2- | 1.0000 | |||
| 10Be | 4 | 6 | 10.0135338(4) | 1.39×106 a | β− | 10B | 0+ | Trace | |
| 11Be | 4 | 7 | 11.021658(7) | 13.81(8) s | β− (97.1%) | 11B | 1/2+ | ||
| β−, α (2.9%) | 7Li | ||||||||
| 12Be | 4 | 8 | 12.026921(16) | 21.49(3) ms | β− (99.48%) | 12B | 0+ | ||
| β−, n (0.52%) | 11B | ||||||||
| 13Be | 4 | 9 | 13.03569(8) | 2.7x10-21 s | n | 12Be | 1/2+ | ||
| 14Be | 4 | 10 | 14.04289(14) | 4.84(10) ms | β−, n (81.0%) | 13B | 0+ | ||
| β− (14.0%) | 14B | ||||||||
| β−, 2n (5.0%) | 12B | ||||||||
| 15Be | 4 | 11 | 15.05346(54)# | <200 ns | |||||
| 16Be | 4 | 12 | 16.06192(54)# | <200 ns | 0+ | ||||
| 17Be | 4 | 13 | |||||||
Read more about this topic: Isotopes Of Beryllium
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