鉻的同位素

鉻（原子質量單位：51.9961(6)）共有28個同位素，其中有4個是穩定的。

圖表
|-
| rowspan=2|42Cr
| rowspan=2 style="text-align:right" | 24
| rowspan=2 style="text-align:right" | 18
| rowspan=2|42.00643(32)#
| rowspan=2|14(3) ms
[13(+4-2) ms]
| (>99.9%)
| 42V
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| 2 (40Ti
|-
| rowspan=4|43Cr
| rowspan=4 style="text-align:right" | 24
| rowspan=4 style="text-align:right" | 19
| rowspan=4|42.99771(24)#
| rowspan=4|21.6(7) ms
| (71%)
| 43V
| rowspan=4|(3/2+)
| rowspan=4|
| rowspan=4|
|-
| , (23%)
| 42Ti
|-
| , 2 (6%)
| 41Sc
|-
| , (39Sc
|-
| rowspan=2|44Cr
| rowspan=2 style="text-align:right" | 24
| rowspan=2 style="text-align:right" | 20
| rowspan=2|43.98555(5)#
| rowspan=2|54(4) ms
[53(+4-3) ms]
| (93%)
| 44V
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| , (7%)
| 43Ti
|-
| rowspan=2|45Cr
| rowspan=2 style="text-align:right" | 24
| rowspan=2 style="text-align:right" | 21
| rowspan=2|44.97964(54)
| rowspan=2|50(6) ms
| (73%)
| 45V
| rowspan=2|7/2−#
| rowspan=2|
| rowspan=2|
|-
| , (27%)
| 44Ti
|-
| rowspan=2 style="text-indent:1em" | 45mCr
| rowspan=2 colspan="3" style="text-indent:2em" | 50(100)# keV
| rowspan=2|1# ms
| IT
| 45Cr
| rowspan=2|3/2+#
| rowspan=2|
| rowspan=2|
|-
| β+
| 45V
|-
| 46Cr
| style="text-align:right" | 24
| style="text-align:right" | 22
| 45.968359(21)
| 0.26(6) s
| β+
| 46V
| 0+
|
|
|-
| 47Cr
| style="text-align:right" | 24
| style="text-align:right" | 23
| 46.962900(15)
| 500(15) ms
| β+
| 47V
| 3/2−
|
|
|-
| 48Cr
| style="text-align:right" | 24
| style="text-align:right" | 24
| 47.954032(8)
| 21.56(3) h
| β+
| 48V
| 0+
|
|
|-
| 49Cr
| style="text-align:right" | 24
| style="text-align:right" | 25
| 48.9513357(26)
| 42.3(1) min
| β+
| 49V
| 5/2−
|
|
|-
| 50Cr
| style="text-align:right" | 24
| style="text-align:right" | 26
| 49.9460442(11)
| colspan=3 align=center|觀測上穩定
| 0+
| 0.04345(13)
| 0.04294–0.04345
|-
| 51Cr
| style="text-align:right" | 24
| style="text-align:right" | 27
| 50.9447674(11)
| 27.7025(24) d
|
| 51V
| 7/2−
|
|
|-
|
| style="text-align:right" | 24
| style="text-align:right" | 28
| 51.9405075(8)
| colspan=3 align=center|**'
| 0+
| 0.83789(18)
| 0.83762–0.83790
|-
| 53Cr
| style="text-align:right" | 24
| style="text-align:right" | 29
| 52.9406494(8)
| colspan=3 align=center|穩定
| 3/2−
| 0.09501(17)
| 0.09501–0.09553
|-
| 54Cr
| style="text-align:right" | 24
| style="text-align:right" | 30
| 53.9388804(8)
| colspan=3 align=center|穩定
| 0+
| 0.02365(7)
| 0.02365–0.02391
|-
| 55Cr
| style="text-align:right" | 24
| style="text-align:right" | 31
| 54.9408397(8)
| 3.497(3) min
| β−
| 55Mn
| 3/2−
|
|
|-
| 56Cr
| style="text-align:right" | 24
| style="text-align:right" | 32
| 55.9406531(20)
| 5.94(10) min
| β−
| 56Mn
| 0+
|
|
|-
| 57Cr
| style="text-align:right" | 24
| style="text-align:right" | 33
| 56.943613(2)
| 21.1(10) s
| β−
| 57Mn
| (3/2−)
|
|
|-
| 58Cr
| style="text-align:right" | 24
| style="text-align:right" | 34
| 57.94435(22)
| 7.0(3) s
| β−
| 58Mn
| 0+
|
|
|-
| 59Cr
| style="text-align:right" | 24
| style="text-align:right" | 35
| 58.94859(26)
| 460(50) ms
| β−
| 59Mn
| 5/2−#
|
|
|-
| style="text-indent:1em" | 59mCr
| colspan="3" style="text-indent:2em" | 503.0(17) keV
| 96(20) µs
|
|
| (9/2+)
|
|
|-
| 60Cr
| style="text-align:right" | 24
| style="text-align:right" | 36
| 59.95008(23)
| 560(60) ms
| β−
| 60Mn
| 0+
|
|
|-
| rowspan=2|61Cr
| rowspan=2 style="text-align:right" | 24
| rowspan=2 style="text-align:right" | 37
| rowspan=2|60.95472(27)
| rowspan=2|261(15) ms
| β− (>99.9%)
| 61Mn
| rowspan=2|5/2−#
| rowspan=2|
| rowspan=2|
|-
| β−, (60Mn
|-
| rowspan=2|62Cr
| rowspan=2 style="text-align:right" | 24
| rowspan=2 style="text-align:right" | 38
| rowspan=2|61.95661(36)
| rowspan=2|199(9) ms
| β− (>99.9%)
| 62Mn
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| β−, n
| 61Mn
|-
| rowspan=2|63Cr
| rowspan=2 style="text-align:right" | 24
| rowspan=2 style="text-align:right" | 39
| rowspan=2|62.96186(32)#
| rowspan=2|129(2) ms
| β−
| 63Mn
| rowspan=2|(1/2−)#
| rowspan=2|
| rowspan=2|
|-
| β−, n
| 62Mn
|-
| 64Cr
| style="text-align:right" | 24
| style="text-align:right" | 40
| 63.96441(43)#
| 43(1) ms
| β−
| 64Mn
| 0+
|
|
|-
| 65Cr
| style="text-align:right" | 24
| style="text-align:right" | 41
| 64.97016(54)#
| 27(3) ms
| β−
| 65Mn
| (1/2−)#
|
|
|-
| 66Cr
| style="text-align:right" | 24
| style="text-align:right" | 42
| 65.97338(64)#
| 10(6) ms
| β−
| 66Mn
| 0+
|
|
|-
| 67Cr
| style="text-align:right" | 24
| style="text-align:right" | 43
| 66.97955(75)#
| 10# ms
[>300 ns]
| β−
| 67Mn
| 1/2−#
|
|
|-
| rowspan=3|68Cr
| rowspan=3 style="text-align:right" | 24
| rowspan=3 style="text-align:right" | 44
| rowspan=3|67.98316(54)#
| rowspan=3|10# ms
(>620 ns)
| β−?
| 68Mn
| rowspan=3|0+
| rowspan=3|
| rowspan=3|
|-
| β−, n?
| rowspan=3 style="text-align:right" | 24
| rowspan=3 style="text-align:right" | 45
| rowspan=3|68.98966(54)#
| rowspan=3|6# ms
(>620 ns)
| β−?
| 69Mn
| rowspan=3|7/2+#
| rowspan=3|
| rowspan=3|
|-
| β−, n?
| 68Mn
|-
| β−, 2n?
| 67Mn
|-
| rowspan=3|70Cr
| rowspan=3 style="text-align:right" | 24
| rowspan=3 style="text-align:right" | 46
| rowspan=3|69.99395(64)#
| rowspan=3|6# ms
(>620 ns)
| β−?
| 70Mn
| rowspan=3|0+
| rowspan=3|
| rowspan=3|
|-
| β−, n?
| 69Mn
|-
| β−, 2n?
| 68Mn
|}

参考文獻

Isotope masses from [https://web.archive.org/web/20080923134436/http://www.nndc.bnl.gov/amdc/index.html 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 [http://www.iupac.org/publications/pac/2003/7506/7506x0683.html Atomic weights of the elements. Review 2000 (IUPAC Technical Report)] . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and [http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html 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. [http://amdc.in2p3.fr/web/nubase_en.html 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 [http://www.nndc.bnl.gov/nudat2/ 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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