錼的同位素
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圖表 [编辑]
| 符號 | Z(p) | N(n) | 質量(原子質量單位) | 半衰期 | 原子核自旋 | 相對豐度 | 相對豐度的變化率 |
|---|---|---|---|---|---|---|---|
| 激發能量 | |||||||
| 225Np | 93 | 132 | 225.03391(8) | 3# ms [>2 µs] | 9/2-# | ||
| 226Np | 93 | 133 | 226.03515(10)# | 35(10) ms | |||
| 227Np | 93 | 134 | 227.03496(8) | 510(60) ms | 5/2-# | ||
| 228Np | 93 | 135 | 228.03618(21)# | 61.4(14) s | |||
| 229Np | 93 | 136 | 229.03626(9) | 4.0(2) min | 5/2+# | ||
| 230Np | 93 | 137 | 230.03783(6) | 4.6(3) min | |||
| 231Np | 93 | 138 | 231.03825(5) | 48.8(2) min | (5/2)(+#) | ||
| 232Np | 93 | 139 | 232.04011(11)# | 14.7(3) min | (4+) | ||
| 233Np | 93 | 140 | 233.04074(5) | 36.2(1) min | (5/2+) | ||
| 234Np | 93 | 141 | 234.042895(9) | 4.4(1) d | (0+) | ||
| 235Np | 93 | 142 | 235.0440633(21) | 396.1(12) d | 5/2+ | ||
| 236Np | 93 | 143 | 236.04657(5) | 154(6)E+3 a | (6-) | ||
| 236mNp | 60(50) keV | 22.5(4) h | 1 | ||||
| 237Np | 93 | 144 | 237.0481734(20) | 2.144(7)E+6 a | 5/2+ | ||
| 238Np | 93 | 145 | 238.0509464(20) | 2.117(2) d | 2+ | ||
| 238mNp | 2300(200)# keV | 112(39) ns | |||||
| 239Np | 93 | 146 | 239.0529390(22) | 2.356(3) d | 5/2+ | ||
| 240Np | 93 | 147 | 240.056162(16) | 61.9(2) min | (5+) | ||
| 240mNp | 20(15) keV | 7.22(2) min | 1(+) | ||||
| 241Np | 93 | 148 | 241.05825(8) | 13.9(2) min | (5/2+) | ||
| 242Np | 93 | 149 | 242.06164(21) | 2.2(2) min | (1+) | ||
| 242mNp | 0(50)# keV | 5.5(1) min | 6+# | ||||
| 243Np | 93 | 150 | 243.06428(3)# | 1.85(15) min | (5/2-) | ||
| 244Np | 93 | 151 | 244.06785(32)# | 2.29(16) min | (7-) | ||
備註:畫上#號的數據代表沒有經過實驗的證明，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 | → |
| 鈾的同位素 | 錼的同位素 | 鈽的同位素 |
参考文献 [编辑]
- 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.
