Standart atom ağırlığı: 9.012182(3)
Tablo
| nüklid sembolü |
Z(p) | N(n) | izotop ağırlığı (u) |
yarılanma ömrü | nükleer döngü |
representative isotopic composition (mole fraction) |
range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|
| uyarılma enerjisi | |||||||
| 5Be | 4 | 1 | 5.04079(429)# | |(1/2+)# | | ||||
| 6Be | 4 | 2 | 6.019726(6) | 5.0(3)E-21 s MeV | 0+ | | |||
| 7Be | 4 | 3 | 7.01692983(11) | 53.22(6) d | 3/2- | | |||
| 8Be | 4 | 4 | 8.00530510(4) | 67(17)E-18 s eV | 0+ | | |||
| 9Be | 4 | 5 | 9.0121822(4) | STABLE | 3/2- | 1.0000 | ||
| 10Be | 4 | 6 | 10.0135338(4) | 1.51(6)E+6 a | 0+ | | |||
| 11Be | 4 | 7 | 11.021658(7) | 13.81(8) s | 1/2+ | | |||
| 12Be | 4 | 8 | 12.026921(16) | 21.49(3) ms | 0+ | | |||
| 13Be | 4 | 9 | 13.03569(8) | | | | |||||
| 14Be | 4 | 10 | 14.04289(14) | 4.84(10) ms | 0+ | | |||
| 15Be | 4 | 11 | 15.05346(54)# | <200 ns | | | ||||
| 16Be | 4 | 12 | 16.06192(54)# | <200 ns | 0+ | | |||