Изотопы натрия
(перенаправлено с «Натрий-21»)
Изотопы натрия —
Таблица изотопов натрияПравить
| nuclide symbol |
Z(p) | N(n) | isotopic mass (u) |
half-life | nuclear spin |
representative isotopic composition (mole fraction) |
range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|
| excitation energy | |||||||
| 18Na | 11 | 7 | 18.02597(5) | 1.3(4)E-21 s | (1-)# | ||
| 19Na | 11 | 8 | 19.013877(13) | <40 ns | (5/2+)# | ||
| 20Na | 11 | 9 | 20.007351(7) | 447.9(23) ms | 2+ | ||
| 21Na | 11 | 10 | 20.9976552(8) | 22.49(4) s | 3/2+ | ||
| 22Na | 11 | 11 | 21.9944364(4) | 2.6027(10) yr | 3+ | ||
| 22mNa | 583.03(9) keV | 244(6) ns | 1+ | ||||
| 23Na | 11 | 12 | 22.9897692809(29) | STABLE | 3/2+ | 1.0000 | |
| 24Na | 11 | 13 | 23.99096278(8) | 14.9590(12) h | 4+ | ||
| 24mNa | 472.207(9) keV | 20.20(7) ms | 1+ | ||||
| 25Na | 11 | 14 | 24.9899540(13) | 59.1(6) s | 5/2+ | ||
| 26Na | 11 | 15 | 25.992633(6) | 1.077(5) s | 3+ | ||
| 27Na | 11 | 16 | 26.994077(4) | 301(6) ms | 5/2+ | ||
| 28Na | 11 | 17 | 27.998938(14) | 30.5(4) ms | 1+ | ||
| 29Na | 11 | 18 | 29.002861(14) | 44.9(12) ms | 3/2(+#) | ||
| 30Na | 11 | 19 | 30.008976(27) | 48.4(17) ms | 2+ | ||
| 31Na | 11 | 20 | 31.01359(23) | 17.0(4) ms | (3/2+) | ||
| 32Na | 11 | 21 | 32.02047(38) | 12.9(7) ms | (3-,4-) | ||
| 33Na | 11 | 22 | 33.02672(94) | 8.2(2) ms | 3/2+# | ||
| 34Na | 11 | 23 | 34.03517(96)# | 5.5(10) ms | 1+ | ||
| 35Na | 11 | 24 | 35.04249(102)# | 1.5(5) ms | 3/2+# | ||
| 36Na | 11 | 25 | 36.05148(102)# | <260 ns | |||
| 37Na | 11 | 26 | 37.05934(103)# | 1# ms [>1.5 µs] | 3/2+# | ||