鎂的同位素
维基百科，自由的百科全书
鎂(原子質量單位:24.3050(6))共有22個同位素，其中有3個是穩定的。
[编辑] 圖表
| 符號 | Z(p) | N(n) | 質量(u) | 半衰期 | 原子核自旋 | 相對豐度 | 相對豐度的變化量 |
|---|---|---|---|---|---|---|---|
| 19Mg | 12 | 7 | 19.03547(27) | 1/2-# | |||
| 20Mg | 12 | 8 | 20.018863(29) | 90.8(24) ms | 0+ | ||
| 21Mg | 12 | 9 | 21.011713(18) | 122(2) ms | (5/2,3/2)+ | ||
| 22Mg | 12 | 10 | 21.9995738(14) | 3.8755(12) s | 0+ | ||
| 23Mg | 12 | 11 | 22.9941237(14) | 11.317(11) s | 3/2+ | ||
| 24Mg | 12 | 12 | 23.985041700(14) | 穩定 | 0+ | 0.7899(4) | 0.78958-0.79017 |
| 25Mg | 12 | 13 | 24.98583692(3) | 穩定 | 5/2+ | 0.1000(1) | 0.09996-0.10012 |
| 26Mg | 12 | 14 | 25.982592929(30) | 穩定 | 0+ | 0.1101(3) | 0.10987-0.11030 |
| 27Mg | 12 | 15 | 26.98434059(5) | 9.458(12) min | 1/2+ | ||
| 28Mg | 12 | 16 | 27.9838768(22) | 20.915(9) h | 0+ | ||
| 29Mg | 12 | 17 | 28.988600(15) | 1.30(12) s | 3/2+ | ||
| 30Mg | 12 | 18 | 29.990434(9) | 335(17) ms | 0+ | ||
| 31Mg | 12 | 19 | 30.996546(13) | 230(20) ms | 3/2+ | ||
| 32Mg | 12 | 20 | 31.998975(19) | 86(5) ms | 0+ | ||
| 33Mg | 12 | 21 | 33.005254(21) | 90.5(16) ms | 7/2-# | ||
| 34Mg | 12 | 22 | 34.00946(25) | 20(10) ms | 0+ | ||
| 35Mg | 12 | 23 | 35.01734(43)# | 70(40) ms | (7/2-)# | ||
| 36Mg | 12 | 24 | 36.02300(54)# | 3.9(13) ms | 0+ | ||
| 37Mg | 12 | 25 | 37.03140(97)# | 40# ms [>260 ns] | 7/2-# | ||
| 38Mg | 12 | 26 | 38.03757(54)# | 1# ms [>260 ns] | 0+ | ||
| 39Mg | 12 | 27 | 39.04677(55)# | <260 ns | 7/2-# | ||
| 40Mg | 12 | 28 | 40.05393(97)# | 1# ms | 0+ |
備註:畫上#號的數據代表沒有經過實驗的証明，只是理論推測而已，而用括號括起來的代表數據不確定性。
| ← | 同位素列表 | → |
| 鈉的同位素 | 鎂的同位素 | 鋁的同位素 |
[编辑] 参考文献
- 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.
