鉻嘅同位素
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 | |||||||
42Cr | 24 | 18 | 42.00643(32)# | 14(3) ms [13(+4-2) ms] | 0+ | ||
43Cr | 24 | 19 | 42.99771(24)# | 21.6(7) ms | (3/2+) | ||
44Cr | 24 | 20 | 43.98555(5)# | 54(4) ms [53(+4-3) ms] | 0+ | ||
45Cr | 24 | 21 | 44.97964(54) | 50(6) ms | 7/2-# | ||
45mCr | 50(100)# keV | 1# ms | 3/2+# | ||||
46Cr | 24 | 22 | 45.968359(21) | 0.26(6) s | 0+ | ||
47Cr | 24 | 23 | 46.962900(15) | 500(15) ms | 3/2- | ||
48Cr | 24 | 24 | 47.954032(8) | 21.56(3) h | 0+ | ||
49Cr | 24 | 25 | 48.9513357(26) | 42.3(1) min | 5/2- | ||
50Cr | 24 | 26 | 49.9460442(11) | 穩定 [>1.3E+18 a] | 0+ | 0.04345(13) | 0.04294-0.04345 |
51Cr | 24 | 27 | 50.9447674(11) | 27.7025(24) d | 7/2- | ||
52Cr | 24 | 28 | 51.9405075(8) | 穩定 | 0+ | 0.83789(18) | 0.83762-0.83790 |
53Cr | 24 | 29 | 52.9406494(8) | 穩定 | 3/2- | 0.09501(17) | 0.09501-0.09553 |
54Cr | 24 | 30 | 53.9388804(8) | 穩定 | 0+ | 0.02365(7) | 0.02365-0.02391 |
55Cr | 24 | 31 | 54.9408397(8) | 3.497(3) min | 3/2- | ||
56Cr | 24 | 32 | 55.9406531(20) | 5.94(10) min | 0+ | ||
57Cr | 24 | 33 | 56.943613(2) | 21.1(10) s | (3/2-) | ||
58Cr | 24 | 34 | 57.94435(22) | 7.0(3) s | 0+ | ||
59Cr | 24 | 35 | 58.94859(26) | 460(50) ms | 5/2-# | ||
59mCr | 503.0(17) keV | 96(20) µs | (9/2+) | ||||
60Cr | 24 | 36 | 59.95008(23) | 560(60) ms | 0+ | ||
61Cr | 24 | 37 | 60.95472(27) | 261(15) ms | 5/2-# | ||
62Cr | 24 | 38 | 61.95661(36) | 199(9) ms | 0+ | ||
63Cr | 24 | 39 | 62.96186(32)# | 129(2) ms | (1/2-)# | ||
64Cr | 24 | 40 | 63.96441(43)# | 43(1) ms | 0+ | ||
65Cr | 24 | 41 | 64.97016(54)# | 27(3) ms | (1/2-)# | ||
66Cr | 24 | 42 | 65.97338(64)# | 10(6) ms | 0+ | ||
67Cr | 24 | 43 | 66.97955(75)# | 10# ms [>300 ns] | 1/2-# |
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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