Jtdcftul

**主要的鈮同位素**
; γ;	; –;
γ;	; –;
; γ;	; –;
γ;	; –;
; 標準原子質量（英语：Standard atomic weight） (Ar, 標準);	; 92.90637(2); ;
←Zr（40）	Mo（42）→;
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鈮（原子量：92.90638(2)）共有58個同位素，其中有1個同位素是穩定的。

圖表

符號	Z（p ）	N（n ）	同位素質量（u）	半衰期	衰變方式^[2]^{[n 1]}	衰變產物^{[n 2]}	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
符號	激發能量			半衰期	衰變方式^[2]^{[n 1]}	衰變產物^{[n 2]}	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
81 Nb	41	40	80.94903(161)#	<44 ns	β⁺, p	⁸⁰Y	3/2-#
					p	⁸⁰Zr
					β⁺	⁸¹Zr
⁸²Nb	41	41	81.94313(32)#	51(5) ms	β⁺	⁸²Zr	0+
⁸³Nb	41	42	82.93671(34)	4.1(3) s	β⁺	⁸³Zr	(5/2+)
⁸⁴Nb	41	43	83.93357(32)#	9.8(9) s	β⁺ (>99.9%)	⁸⁴Zr	3+
⁸⁴Nb	41	43	83.93357(32)#	9.8(9) s	β⁺, p (<.1%)	⁸³Y	3+
^84mNb	338(10) keV			103(19) ns			(5-)
⁸⁵Nb	41	44	84.92791(24)	20.9(7) s	β⁺	⁸⁵Zr	(9/2+)
^85mNb	759.0(10) keV			12(5) s			(1/2-)
⁸⁶Nb	41	45	85.92504(9)	88(1) s	β⁺	⁸⁶Zr	(6+)
^86mNb	250(160)# keV			56(8) s	β⁺	⁸⁶Zr	high
⁸⁷Nb	41	46	86.92036(7)	3.75(9) min	β⁺	⁸⁷Zr	(1/2-)
^87mNb	3.84(14) keV			2.6(1) min	β⁺	⁸⁷Zr	(9/2+)#
⁸⁸Nb	41	47	87.91833(11)	14.55(6) min	β⁺	⁸⁸Zr	(8+)
^88mNb	40(140) keV			7.8(1) min	β⁺	⁸⁸Zr	(4-)
⁸⁹Nb	41	48	88.913418(29)	2.03(7) h	β⁺	⁸⁹Zr	(9/2+)
^89mNb	0(30)# keV			1.10(3) h	β⁺	⁸⁹Zr	(1/2)-
⁹⁰Nb	41	49	89.911265(5)	14.60(5) h	β⁺	⁹⁰Zr	8+
^90m1Nb	122.370(22) keV			63(2) µs			6+
^90m2Nb	124.67(25) keV			18.81(6) s	IT	⁹⁰Nb	4-
^90m3Nb	171.10(10) keV			<1 µs			7+
^90m4Nb	382.01(25) keV			6.19(8) ms			1+
^90m5Nb	1880.21(20) keV			472(13) ns			(11-)
⁹¹Nb	41	50	90.906996(4)	680(130) a	ε (99.98%)	⁹¹Zr	9/2+
⁹¹Nb	41	50	90.906996(4)	680(130) a	β⁺ (.013%)	⁹¹Zr	9/2+
^91m1Nb	104.60(5) keV			60.86(22) d	IT (93%)	⁹¹Nb	1/2-
					ε (7%)	⁹¹Zr
					β⁺ (.0028%)	⁹¹Zr
^91m2Nb	2034.35(19) keV			3.76(12) µs			(17/2-)
⁹²Nb	41	51	91.907194(3)	3.47(24)×10⁷ a^{[n 3]}	β⁺ (99.95%)	⁹²Zr	(7)+
⁹²Nb	41	51	91.907194(3)	3.47(24)×10⁷ a^{[n 3]}	β⁻ (.05%)	⁹²Mo	(7)+
^92m1Nb	135.5(4) keV			10.15(2) d	β⁺	⁹²Zr	(2)+
^92m2Nb	225.7(4) keV			5.9(2) µs			(2)-
^92m3Nb	2203.3(4) keV			167(4) ns			(11-)
93 Nb	41	52	92.9063781(26)	觀測上穩定^{[n 4]}			9/2+	1.0000
^93mNb	30.77(2) keV			16.13(14) a	IT	⁹³Nb	1/2-
⁹⁴Nb	41	53	93.9072839(26)	2.03(16)×10⁴ a	β⁻	⁹⁴Mo	(6)+
^94mNb	40.902(12) keV			6.263(4) min	IT (99.5%)	⁹⁴Nb	3+
^94mNb	40.902(12) keV			6.263(4) min	β⁻ (.5%)	⁹⁴Mo	3+
⁹⁵Nb	41	54	94.9068358(21)	34.991(6) d	β⁻	⁹⁵Mo	9/2+
^95mNb	235.690(20) keV			3.61(3) d	IT (94.4%)	⁹⁵Nb	1/2-
^95mNb	235.690(20) keV			3.61(3) d	β⁻ (5.6%)	⁹⁵Mo	1/2-
⁹⁶Nb	41	55	95.908101(4)	23.35(5) h	β⁻	⁹⁶Mo	6+
⁹⁷Nb	41	56	96.9080986(27)	72.1(7) min	β⁻	⁹⁷Mo	9/2+
^97mNb	743.35(3) keV			52.7(18) s	IT	⁹⁷Nb	1/2-
⁹⁸Nb	41	57	97.910328(6)	2.86(6) s	β⁻	⁹⁸Mo	1+
^98mNb	84(4) keV			51.3(4) min	β⁻ (99.9%)	⁹⁸Mo	(5+)
^98mNb	84(4) keV			51.3(4) min	IT (.1%)	⁹⁸Nb	(5+)
⁹⁹Nb	41	58	98.911618(14)	15.0(2) s	β⁻	⁹⁹Mo	9/2+
^99mNb	365.29(14) keV			2.6(2) min	β⁻ (96.2%)	⁹⁹Mo	1/2-
^99mNb	365.29(14) keV			2.6(2) min	IT (3.8%)	⁹⁹Nb	1/2-
¹⁰⁰Nb	41	59	99.914182(28)	1.5(2) s	β⁻	¹⁰⁰Mo	1+
^100mNb	470(40) keV			2.99(11) s	β⁻	¹⁰⁰Mo	(4+,5+)
¹⁰¹Nb	41	60	100.915252(20)	7.1(3) s	β⁻	¹⁰¹Mo	(5/2#)+
¹⁰²Nb	41	61	101.91804(4)	1.3(2) s	β⁻	¹⁰²Mo	1+
^102mNb	130(50) keV			4.3(4) s	β⁻	¹⁰²Mo	high
¹⁰³Nb	41	62	102.91914(7)	1.5(2) s	β⁻	¹⁰³Mo	(5/2+)
¹⁰⁴Nb	41	63	103.92246(11)	4.9(3) s	β⁻ (99.94%)	¹⁰⁴Mo	(1+)
¹⁰⁴Nb	41	63	103.92246(11)	4.9(3) s	β⁻, n (.06%)	¹⁰³Mo	(1+)
^104mNb	220(120) keV			940(40) ms	β⁻ (99.95%)	¹⁰⁴Mo	high
^104mNb	220(120) keV			940(40) ms	β⁻, n (.05%)	¹⁰³Mo	high
¹⁰⁵Nb	41	64	104.92394(11)	2.95(6) s	β⁻ (98.3%)	¹⁰⁵Mo	(5/2+)#
¹⁰⁵Nb	41	64	104.92394(11)	2.95(6) s	β⁻, n (1.7%)	¹⁰⁴Mo	(5/2+)#
¹⁰⁶Nb	41	65	105.92797(21)#	920(40) ms	β⁻ (95.5%)	¹⁰⁶Mo	2+#
¹⁰⁶Nb	41	65	105.92797(21)#	920(40) ms	β⁻, n (4.5%)	¹⁰⁵Mo	2+#
¹⁰⁷Nb	41	66	106.93031(43)#	300(9) ms	β⁻ (94%)	¹⁰⁷Mo	5/2+#
¹⁰⁷Nb	41	66	106.93031(43)#	300(9) ms	β⁻, n (6%)	¹⁰⁶Mo	5/2+#
¹⁰⁸Nb	41	67	107.93484(32)#	0.193(17) s	β⁻ (93.8%)	¹⁰⁸Mo	(2+)
¹⁰⁸Nb	41	67	107.93484(32)#	0.193(17) s	β⁻, n (6.2%)	¹⁰⁷Mo	(2+)
¹⁰⁹Nb	41	68	108.93763(54)#	190(30) ms	β⁻ (69%)	¹⁰⁹Mo	5/2+#
¹⁰⁹Nb	41	68	108.93763(54)#	190(30) ms	β⁻, n (69%)	¹⁰⁸Mo	5/2+#
¹¹⁰Nb	41	69	109.94244(54)#	170(20) ms	β⁻ (60%)	¹¹⁰Mo	2+#
¹¹⁰Nb	41	69	109.94244(54)#	170(20) ms	β⁻, n (40%)	¹⁰⁹Mo	2+#
¹¹¹Nb	41	70	110.94565(54)#	80# ms [>300 ns]			5/2+#
¹¹²Nb	41	71	111.95083(75)#	60# ms [>300 ns]			2+#
¹¹³Nb	41	72	112.95470(86)#	30# ms [>300 ns]			5/2+#
¹¹⁴Nb	41	73	(114)#	(>392) ns^[3]	β⁻, 2n^[3]	112 Mo	(2+)#
					β⁻, n^[3]	113 Mo
					β⁻^[3]	114 Mo
¹¹⁵Nb	41	74	(115)#	(>394) ns^[4]	β⁻, 2n^[4]	113 Mo	(5/2+)#
					β⁻, n^[4]	114 Mo
					β⁻^[4]	115 Mo

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	→
鋯的同位素	鈮的同位素	鉬的同位素

註釋

^ Abbreviations:
ε: Electron capture
IT: Isomeric transition

^ Bold for stable isotopes, bold italic for near-stable isotopes (half-life longer than the age of the universe)

^ Longest half-life of all non-primordial radionuclides

^ Theoretically capable of spontaneous fission, lightest nuclide so capable

参考文獻

^ Meija, J.; 等. Atomic weights of the elements 2013 (IUPAC Technical Report). 纯粹与应用化学. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.

^ http://www.nucleonica.net/unc.aspx

^ ^3.0^3.1^3.2^3.3 Niobium-114 :Table of Nuclides Brookhaven National Laboratory Interactive, nndc.bnl.gov [2015-9-14]

^ ^4.0^4.1^4.2^4.3 Niobium-115 :Table of Nuclides Brookhaven National Laboratory Interactive, nndc.bnl.gov [2015-9-14]

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.

[3] Abbreviations:
ε: Electron capture
IT: Isomeric transition

[4] Bold for stable isotopes, bold italic for near-stable isotopes (half-life longer than the age of the universe)

[5] Longest half-life of all non-primordial radionuclides

[6] Theoretically capable of spontaneous fission, lightest nuclide so capable

[CIAAW2016-1] Meija, J.; 等. Atomic weights of the elements 2013 (IUPAC Technical Report). 纯粹与应用化学. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.

[2] ttp://www.nucleonica.net/unc.aspx

[Nb-114-7] 3.0^3.1^3.2^3.3 Niobium-114 :Table of Nuclides Brookhaven National Laboratory Interactive, nndc.bnl.gov [2015-9-14]

[Nb-115-8] 4.0^4.1^4.2^4.3 Niobium-115 :Table of Nuclides Brookhaven National Laboratory Interactive, nndc.bnl.gov [2015-9-14]

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Jtdcftul

鈮的同位素

圖表

註釋

参考文獻

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