鈮（原子量：92.90637(1)）共有58個同位素，其中有1個同位素是穩定的。
圖表
|-
| rowspan=3|
| rowspan=3 style="text-align:right" | 41
| rowspan=3 style="text-align:right" | 40
| rowspan=3|80.94903(161)#
| rowspan=3|80Y
| rowspan=3|3/2-#
| rowspan=3|
|-
|
| 80Zr
|-
|
| 81Zr
|-
| 82Nb
| style="text-align:right" | 41
| style="text-align:right" | 41
| 81.94313(32)#
| 51(5) ms
|
| 82Zr
| 0+
|
|-
| 83Nb
| style="text-align:right" | 41
| style="text-align:right" | 42
| 82.93671(34)
| 4.1(3) s
|
| 83Zr
| (5/2+)
|
|-
| rowspan=2|84Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 43
| rowspan=2|83.93357(32)#
| rowspan=2|9.8(9) s
| (>99.9%)
| 84Zr
| rowspan=2|3+
| rowspan=2|
|-
| , (83Y
|-
| style="text-indent:1em" | 84mNb
| colspan="3" style="text-indent:2em" | 338(10) keV
| 103(19) ns
|
|
| (5-)
|
|-
| 85Nb
| style="text-align:right" | 41
| style="text-align:right" | 44
| 84.92791(24)
| 20.9(7) s
|
| 85Zr
| (9/2+)
|
|-
| style="text-indent:1em" | 85mNb
| colspan="3" style="text-indent:2em" | 759.0(10) keV
| 12(5) s
|
|
| (1/2-)
|
|-
| 86Nb
| style="text-align:right" | 41
| style="text-align:right" | 45
| 85.92504(9)
| 88(1) s
|
| 86Zr
| (6+)
|
|-
| style="text-indent:1em" | 86mNb
| colspan="3" style="text-indent:2em" | 250(160)# keV
| 56(8) s
|
| 86Zr
| high
|
|-
| 87Nb
| style="text-align:right" | 41
| style="text-align:right" | 46
| 86.92036(7)
| 3.75(9) min
|
| 87Zr
| (1/2-)
|
|-
| style="text-indent:1em" | 87mNb
| colspan="3" style="text-indent:2em" | 3.84(14) keV
| 2.6(1) min
|
| 87Zr
| (9/2+)#
|
|-
| 88Nb
| style="text-align:right" | 41
| style="text-align:right" | 47
| 87.91833(11)
| 14.55(6) min
|
| 88Zr
| (8+)
|
|-
| style="text-indent:1em" | 88mNb
| colspan="3" style="text-indent:2em" | 40(140) keV
| 7.8(1) min
|
| 88Zr
| (4-)
|
|-
| 89Nb
| style="text-align:right" | 41
| style="text-align:right" | 48
| 88.913418(29)
| 2.03(7) h
|
| 89Zr
| (9/2+)
|
|-
| style="text-indent:1em" | 89mNb
| colspan="3" style="text-indent:2em" | 0(30)# keV
| 1.10(3) h
|
| 89Zr
| (1/2)-
|
|-
| 90Nb
| style="text-align:right" | 41
| style="text-align:right" | 49
| 89.911265(5)
| 14.60(5) h
|
| 90Zr
| 8+
|
|-
| style="text-indent:1em" | 90m1Nb
| colspan="3" style="text-indent:2em" | 122.370(22) keV
| 63(2) µs
|
|
| 6+
|
|-
| style="text-indent:1em" | 90m2Nb
| colspan="3" style="text-indent:2em" | 124.67(25) keV
| 18.81(6) s
| IT
| 90Nb
| 4-
|
|-
| style="text-indent:1em" | 90m3Nb
| colspan="3" style="text-indent:2em" | 171.10(10) keV
| 90m4Nb
| colspan="3" style="text-indent:2em" | 382.01(25) keV
| 6.19(8) ms
|
|
| 1+
|
|-
| style="text-indent:1em" | 90m5Nb
| colspan="3" style="text-indent:2em" | 1880.21(20) keV
| 472(13) ns
|
|
| (11-)
|
|-
| rowspan=2|91Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 50
| rowspan=2|90.906996(4)
| rowspan=2|680(130) a
| (99.98%)
| 91Zr
| rowspan=2|9/2+
| rowspan=2|
|-
| (.013%)
| 91Zr
|-
| rowspan=3 style="text-indent:1em" | 91m1Nb
| rowspan=3 colspan="3" style="text-indent:2em" | 104.60(5) keV
| rowspan=3|60.86(22) d
| IT (93%)
| 91Nb
| rowspan=3|1/2-
| rowspan=3|
|-
| (7%)
| 91Zr
|-
| (.0028%)
| 91Zr
|-
| style="text-indent:1em" | 91m2Nb
| colspan="3" style="text-indent:2em" | 2034.35(19) keV
| 3.76(12) µs
|
|
| (17/2-)
|
|-
| rowspan=2|92Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 51
| rowspan=2|91.907194(3)
| rowspan=2|3.47(24)×107 a
| (99.95%)
| 92Zr
| rowspan=2|(7)+
| rowspan=2|
|-
| (.05%)
| 92Mo
|-
| style="text-indent:1em" | 92m1Nb
| colspan="3" style="text-indent:2em" | 135.5(4) keV
| 10.15(2) d
|
| 92Zr
| (2)+
|
|-
| style="text-indent:1em" | 92m2Nb
| colspan="3" style="text-indent:2em" | 225.7(4) keV
| 5.9(2) µs
|
|
| (2)-
|
|-
| style="text-indent:1em" | 92m3Nb
| colspan="3" style="text-indent:2em" | 2203.3(4) keV
| 167(4) ns
|
|
| (11-)
|
|-
|
| style="text-align:right" | 41
| style="text-align:right" | 52
| 92.9063781(26)
| colspan=3 align=center|穩定
| 9/2+
| 1.0000
|-
| style="text-indent:1em" | 93mNb
| colspan="3" style="text-indent:2em" | 30.77(2) keV
| 16.13(14) a
| IT
| 93Nb
| 1/2-
|
|-
| 94Nb
| style="text-align:right" | 41
| style="text-align:right" | 53
| 93.9072839(26)
| 2.03(16)×104 a
|
| 94Mo
| (6)+
|
|-
| rowspan=2 style="text-indent:1em" | 94mNb
| rowspan=2 colspan="3" style="text-indent:2em" | 40.902(12) keV
| rowspan=2|6.263(4) min
| IT (99.5%)
| 94Nb
| rowspan=2|3+
| rowspan=2|
|-
| (.5%)
| 94Mo
|-
| 95Nb
| style="text-align:right" | 41
| style="text-align:right" | 54
| 94.9068358(21)
| 34.991(6) d
|
| 95Mo
| 9/2+
|
|-
| rowspan=2 style="text-indent:1em" | 95mNb
| rowspan=2 colspan="3" style="text-indent:2em" | 235.690(20) keV
| rowspan=2|3.61(3) d
| IT (94.4%)
| 95Nb
| rowspan=2|1/2-
| rowspan=2|
|-
| (5.6%)
| 95Mo
|-
| 96Nb
| style="text-align:right" | 41
| style="text-align:right" | 55
| 95.908101(4)
| 23.35(5) h
|
| 96Mo
| 6+
|
|-
| 97Nb
| style="text-align:right" | 41
| style="text-align:right" | 56
| 96.9080986(27)
| 72.1(7) min
|
| 97Mo
| 9/2+
|
|-
| style="text-indent:1em" | 97mNb
| colspan="3" style="text-indent:2em" | 743.35(3) keV
| 52.7(18) s
| IT
| 97Nb
| 1/2-
|
|-
| 98Nb
| style="text-align:right" | 41
| style="text-align:right" | 57
| 97.910328(6)
| 2.86(6) s
|
| 98Mo
| 1+
|
|-
| rowspan=2 style="text-indent:1em" | 98mNb
| rowspan=2 colspan="3" style="text-indent:2em" | 84(4) keV
| rowspan=2|51.3(4) min
| (99.9%)
| 98Mo
| rowspan=2|(5+)
| rowspan=2|
|-
| IT (.1%)
| 98Nb
|-
| 99Nb
| style="text-align:right" | 41
| style="text-align:right" | 58
| 98.911618(14)
| 15.0(2) s
|
| 99Mo
| 9/2+
|
|-
| rowspan=2 style="text-indent:1em" | 99mNb
| rowspan=2 colspan="3" style="text-indent:2em" | 365.29(14) keV
| rowspan=2|2.6(2) min
| (96.2%)
| 99Mo
| rowspan=2|1/2-
| rowspan=2|
|-
| IT (3.8%)
| 99Nb
|-
| 100Nb
| style="text-align:right" | 41
| style="text-align:right" | 59
| 99.914182(28)
| 1.5(2) s
|
| 100Mo
| 1+
|
|-
| style="text-indent:1em" | 100mNb
| colspan="3" style="text-indent:2em" | 470(40) keV
| 2.99(11) s
|
| 100Mo
| (4+,5+)
|
|-
| 101Nb
| style="text-align:right" | 41
| style="text-align:right" | 60
| 100.915252(20)
| 7.1(3) s
|
| 101Mo
| (5/2#)+
|
|-
| 102Nb
| style="text-align:right" | 41
| style="text-align:right" | 61
| 101.91804(4)
| 1.3(2) s
|
| 102Mo
| 1+
|
|-
| style="text-indent:1em" | 102mNb
| colspan="3" style="text-indent:2em" | 130(50) keV
| 4.3(4) s
|
| 102Mo
| high
|
|-
| 103Nb
| style="text-align:right" | 41
| style="text-align:right" | 62
| 102.91914(7)
| 1.5(2) s
|
| 103Mo
| (5/2+)
|
|-
| rowspan=2|104Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 63
| rowspan=2|103.92246(11)
| rowspan=2|4.9(3) s
| (99.94%)
| 104Mo
| rowspan=2|(1+)
| rowspan=2|
|-
| , (.06%)
| 103Mo
|-
| rowspan=2 style="text-indent:1em" | 104mNb
| rowspan=2 colspan="3" style="text-indent:2em" | 220(120) keV
| rowspan=2|940(40) ms
| (99.95%)
| 104Mo
| rowspan=2|high
| rowspan=2|
|-
| , (.05%)
| 103Mo
|-
| rowspan=2|105Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 64
| rowspan=2|104.92394(11)
| rowspan=2|2.95(6) s
| (98.3%)
| 105Mo
| rowspan=2|(5/2+)#
| rowspan=2|
|-
| , (1.7%)
| 104Mo
|-
| rowspan=2|106Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 65
| rowspan=2|105.92797(21)#
| rowspan=2|920(40) ms
| (95.5%)
| 106Mo
| rowspan=2|2+#
| rowspan=2|
|-
| , (4.5%)
| 105Mo
|-
| rowspan=2|107Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 66
| rowspan=2|106.93031(43)#
| rowspan=2|300(9) ms
| (94%)
| 107Mo
| rowspan=2|5/2+#
| rowspan=2|
|-
| , (6%)
| 106Mo
|-
| rowspan=2|108Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 67
| rowspan=2|107.93484(32)#
| rowspan=2|0.193(17) s
| (93.8%)
| 108Mo
| rowspan=2|(2+)
| rowspan=2|
|-
| , (6.2%)
| 107Mo
|-
| rowspan=2|109Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 68
| rowspan=2|108.93763(54)#
| rowspan=2|190(30) ms
| (69%)
| 109Mo
| rowspan=2|5/2+#
| rowspan=2|
|-
| , (69%)
| 108Mo
|-
| rowspan=2|110Nb
| rowspan=2 style="text-align:right" | 41
| rowspan=2 style="text-align:right" | 69
| rowspan=2|109.94244(54)#
| rowspan=2|170(20) ms
| (60%)
| 110Mo
| rowspan=2|2+#
| rowspan=2|
|-
| , (40%)
| 109Mo
|-
| 111Nb
| style="text-align:right" | 41
| style="text-align:right" | 70
| 110.94565(54)#
| 80# ms [>300 ns]
|
|
| 5/2+#
|
|-
| 112Nb
| style="text-align:right" | 41
| style="text-align:right" | 71
| 111.95083(75)#
| 60# ms [>300 ns]
|
|
| 2+#
|
|-
| 113Nb
| style="text-align:right" | 41
| style="text-align:right" | 72
| 112.95470(86)#
| 30# ms [>300 ns]
|
|
| 5/2+#
|
|-
| 114Nb
| style="text-align:right" | 41
| style="text-align:right" | 73
|
|
|
|
|
|
|-
| 115Nb
| style="text-align:right" | 41
| style="text-align:right" | 75
|
|
|
|
|
|
|-
| 117Nb
| style="text-align:right" | 41
| style="text-align:right" | 76
|
|
|
|
|
|
|}
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).
- 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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