鈉嘅同位素
鈉有22個同位素，得1個係穩定嘅，其餘都唔多穩定。
圖表
編輯| 符號 | Z（p） | N（n） | 質量（u） | 半衰期 | 原子核自旋 | 相對豐度 | 相對豐度嘅變化率 |
|---|---|---|---|---|---|---|---|
| 激發能量 | |||||||
| 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) | 穩定 | 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+# | ||
備註：有#嘅數據代表冇經過實驗嘅證明，只係理論推測，而用咗括號括係代表數據唔確定。
參攷
編輯- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.
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