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Periodic Table of Elements

Nb - Niobium

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Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Nb81	80.949	40	Syn
Nb82	81.943	41	Syn		>150ns
Nb83	82.937	42	Syn	5/2+	4.1s	ε	Zr83		7.500
Nb84	83.934	43	Syn	3+	12s	ε	Zr84		9.600
					12s	ε + P	Y83		3.200
Nb85	84.928	44	Syn	9/2+	20.9s	ε	Zr85		6.000
Nb86	85.925	45	Syn	5+	88s	ε	Zr86		7.980
meta state 0.000MeV			Syn		56s	ε	Zr86		7.980
Nb87	86.9204	46	Syn	9/2+	2.6m	ε	Zr87		5.170
meta state 0.000MeV			Syn	1/2-	3.7m	ε	Zr87		5.170
Nb88	87.918	47	Syn	8+	14.5m	ε	Zr88		7.200
meta state 0.000MeV			Syn	4-	7.8m	ε	Zr88		7.200
Nb89	88.9135	48	Syn	9/2+	1.9h	ε	Zr89		4.290
meta state 0.000MeV			Syn	1/2-	1.18h	ε	Zr89		4.290
Nb90	89.9113	49	Syn	8+	14.6h	ε	Zr90		6.111
meta state 0.125MeV			Syn	4-	18.81s	IT	Nb90		0.125
Nb91	90.907	50	Syn	9/2+	680y	ε	Zr91		1.253
meta state 0.104MeV			Syn	1/2-	60.86d	IT		93	0.104
					60.86d	ε	Zr91	7	1.357
Nb92	91.9072	51	Syn	7+	3.47E⁷y	β^-	Mo92	<0.05	0.356
					3.47E⁷y	ε	Zr92		2.006
meta state 0.135MeV			Syn	2+	10.15d	ε	Zr92		2.141
Nb93	92.9064	52	100.	9/2+	Stable
meta state 0.030MeV			Syn	1/2-	16.13y	IT			0.031
Nb94	93.9073	53	Syn	6+	20300y	β^-	Mo94		2.045
meta state 0.041MeV			Syn	3+	6.263m	IT		99.5	0.041
					6.263m	β^-	Mo94	0.5	2.086
Nb95	94.9068	54	Syn	9/2+	34.975d	β^-	Mo95		0.926
meta state 0.235MeV			Syn	1/2-	86.6h	IT		94.4	0.236
					86.6h	β^-	Mo95	5.6	1.162
Nb96	95.9081	55	Syn	6+	23.35h	β^-	Mo96		3.187
Nb97	96.9081	56	Syn	9/2+	72.1m	β^-	Mo97		1.934
meta state 0.743MeV			Syn	1/2-	52.7s	IT			0.743
Nb98	97.9103	57	Syn	1+	2.86s	β^-	Mo98		4.586
meta state 0.084MeV			Syn	5+	51.3m	β^-	Mo98	99.9	4.670
					51.3m	IT	Nb98	<0.2	0.084
Nb99	98.9116	58	Syn	9/2+	15s	β^-	Mo99		3.639
meta state 0.365MeV			Syn	1/2-	2.6m	β^-	Mo99	>96.2	4.004
					2.6m	IT		<3.8	0.365
Nb100	99.9142	59	Syn	1+	1.5s	β^-	Mo100		6.250
meta state 0.500MeV			Syn	4+, 5+	2.99s	β^-	Mo100		6.750
Nb101	100.9153	60	Syn	5/2+	7.1s	β^-	Mo101		4.569
Nb102	101.918	61	Syn	1+	1.3s	β^-	Mo102		7.210
meta state 0.000MeV			Syn		4.3s	β^-	Mo102		7.210
Nb103	102.9191	62	Syn	5/2+	1.5s	β^-	Mo103		5.530
Nb104	103.922	63	Syn	1+	4.8s	β^- + N	Mo103	0.71	0.550
					4.8s	β^-	Mo104		8.110
meta state 0.215MeV			Syn		0.92s	β^-	Mo104		8.325
Nb105	104.924	64	Syn	5/2+	2.95s	β^-	Mo105		6.490
Nb106	105.928	65	Syn		1.02s	β^-	Mo106		9.300
Nb107	106.93	66	Syn		330ms	β^-	Mo107		7.900
Nb108	107.935	67	Syn	2+	0.193s
Nb109	108.938	68	Syn		0.19s	β^- + N	Mo108	31	5.000
					0.19s	β^-	Mo109		9.100
Nb110	109.943	69	Syn		0.17s	β^- + N	Mo109	40	5.800
					0.17s	β^-	Mo110		12.100

Nuclide	Potential Parent Nuclides
Nb81	None known
Nb82	None known
Nb83	None known
Nb84	Mo84 (Syn)
Nb85	None known
Nb86	Mo86 (Syn)
meta state 0.000MeV	None known
Nb87	Mo87 (Syn)
meta state 0.000MeV	None known
Nb88	Mo88 (Syn)
meta state 0.000MeV	None known
Nb89	Mo89 (Syn)
meta state 0.000MeV	None known
Nb90	Mo90 (Syn) Nb90m (Syn)
meta state 0.125MeV	None known
Nb91	Mo91 (Syn) Mo91m (Syn)
meta state 0.104MeV	None known
Nb92	None known
meta state 0.135MeV	None known
Nb93	Mo93 (Syn) Mo93m (Syn) Zr93 (Syn)
meta state 0.030MeV	None known
Nb94	None known
meta state 0.041MeV	None known
Nb95	Zr95 (Syn)
meta state 0.235MeV	None known
Nb96	None known
Nb97	Zr97 (Syn)
meta state 0.743MeV	None known
Nb98	Nb98m (Syn) Zr98 (Syn)
meta state 0.084MeV	None known
Nb99	Zr99 (Syn)
meta state 0.365MeV	None known
Nb100	Zr100 (Syn)
meta state 0.500MeV	None known
Nb101	Zr101 (Syn)
Nb102	Zr102 (Syn)
meta state 0.000MeV	None known
Nb103	Zr103 (Syn)
Nb104	Zr104 (Syn)
meta state 0.215MeV	None known
Nb105	Zr105 (Syn)
Nb106	None known
Nb107	None known
Nb108	None known
Nb109	None known
Nb110	None known
Key: NN = Number of Neutrons Abun % = Natural Abundance (as a percentage) Syn = Synthetic Nuclide (does not occur in nature) DM = Decay Mode α = Alpha emission β^- = Beta emission β^- β^- = Double beta decay β⁺ = Positron emission ε = Electron Capture IT = Isomeric Transition N = Neutron emission P = Proton emission SF = Spontaneous Fission DT = Decays To BR % = Branch Ratio (as a percentage)

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References

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Periodic Table of Elements

Nb - Niobium

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