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Periodic Table of Elements

Tc - Technetium

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Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Tc85	84.949	42	Syn
Tc86	85.943	43	Syn		>150ns
Tc87	86.937	44	Syn	9/2+	>150ns
Tc88	87.933	45	Syn	6, 7, 8	6.4s	ε	Mo88		10.100
meta state 0.000MeV			Syn	2, 3	5.8s	ε	Mo88		10.100
Tc89	88.928	46	Syn	9/2+	12.8s	ε	Mo89		7.510
meta state 0.000MeV			Syn	1/2-	12.9s	ε	Mo89		7.510
Tc90	89.924	47	Syn	8+	49.2s	ε	Mo90		9.100
meta state 0.500MeV			Syn	1+	8.7s	ε	Mo90		9.600
Tc91	90.918	48	Syn	9/2+	3.14m	ε	Mo91		6.220
meta state 0.350MeV			Syn	1/2-	3.3m	IT	Tc91	<1	0.350
					3.3m	ε	Mo91		6.570
Tc92	91.9153	49	Syn	8+	4.23m	ε	Mo92		7.870
Tc93	92.9103	50	Syn	9/2+	2.75h	ε	Mo93		3.201
meta state 0.391MeV			Syn	1/2-	43.5m	IT		76.6	0.392
					43.5m	ε	Mo93	23.4	3.593
meta state 2.185MeV			Syn	17/2-	10.2us	IT			2.185
Tc94	93.9097	51	Syn	7+	293m	ε	Mo94		4.256
meta state 0.075MeV			Syn	2+	52m	IT	Tc94	<0.1	0.075
					52m	ε	Mo94		4.331
Tc95	94.9077	52	Syn	9/2+	20h	ε	Mo95		1.691
meta state 0.038MeV			Syn	1/2-	61d	ε	Mo95	96.12	1.730
					61d	IT		3.88	0.039
Tc96	95.9079	53	Syn	7+	4.28d	ε	Mo96		2.973
meta state 0.034MeV			Syn	4+	51.5m	IT		98	0.034
					51.5m	ε	Mo96	2	3.007
Tc97	96.9064	54	Syn	9/2+	2600000y	ε	Mo97		0.320
meta state 0.097MeV			Syn	1/2-	90.1d	ε	Mo97	<0.34	0.417
					90.1d	IT			0.097
Tc98	97.9072	55	Syn	6+	4200000y	β^-	Ru98		1.796
Tc99	98.9063	56	Syn	9/2+	211100y	β^-	Ru99		0.294
meta state 0.143MeV			Syn	1/2-	6.01h	β^-	Ru99	0.0037	0.437
					6.01h	IT			0.143
Tc100	99.9077	57	Syn	1+	15.8s	ε	Mo100	0.0018	0.168
					15.8s	β^-	Ru100		3.202
Tc101	100.9073	58	Syn	9/2+	14.22m	β^-	Ru101		1.614
Tc102	101.9092	59	Syn	1+	5.28s	β^-	Ru102		4.530
meta state 0.000MeV			Syn	4, 5	4.35m	β^-	Ru102	98	4.530
					4.35m	IT		2
Tc103	102.9092	60	Syn	5/2+	54.2s	β^-	Ru103		2.660
Tc104	103.9114	61	Syn	3+	18.3m	β^-	Ru104		5.600
Tc105	104.9117	62	Syn	5/2+	7.6m	β^-	Ru105		3.640
Tc106	105.9144	63	Syn	1, 2	35.6s	β^-	Ru106		6.547
Tc107	106.915	64	Syn		21.2s	β^-	Ru107		4.820
Tc108	107.918	65	Syn	2+	5.17s	β^-	Ru108		7.720
Tc109	108.92	66	Syn		0.87s	β^-	Ru109		5.990
Tc110	109.923	67	Syn	1+, 2+	0.92s	β^-	Ru110		8.800
Tc111	110.925	68	Syn		0.3s	β^-	Ru111		7.000
Tc112	111.929	69	Syn		0.28s	β^-	Ru112		10.000
Tc113	112.931	70	Syn		130ms	β^-	Ru113		8.200
Tc114	113.936	71	Syn		>150ns
Tc115	114.938	72	Syn		>150ns

Nuclide	Potential Parent Nuclides
Tc85	None known
Tc86	None known
Tc87	None known
Tc88	None known
meta state 0.000MeV	None known
Tc89	None known
meta state 0.000MeV	None known
Tc90	Ru90 (Syn)
meta state 0.500MeV	None known
Tc91	Ru91 (Syn) Ru91m (Syn) Tc91m (Syn)
meta state 0.350MeV	None known
Tc92	Ru92 (Syn)
Tc93	Ru93 (Syn) Ru93m (Syn)
meta state 0.391MeV	None known
meta state 2.185MeV	None known
Tc94	Ru94 (Syn) Tc94m (Syn)
meta state 0.075MeV	None known
Tc95	Ru95 (Syn)
meta state 0.038MeV	None known
Tc96	None known
meta state 0.034MeV	None known
Tc97	Ru97 (Syn)
meta state 0.097MeV	None known
Tc98	None known
Tc99m	Mo99 (Syn)
meta state 0.143MeV	None known
Tc100	None known
Tc101	Mo101 (Syn)
Tc102	Mo102 (Syn)
meta state 0.000MeV	None known
Tc103	Mo103 (Syn)
Tc104	Mo104 (Syn)
Tc105	Mo105 (Syn)
Tc106	Mo106 (Syn)
Tc107	Mo107 (Syn)
Tc108	Mo108 (Syn)
Tc109	Mo109 (Syn)
Tc110	Mo110 (Syn)
Tc111	None known
Tc112	None known
Tc113	None known
Tc114	None known
Tc115	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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Tc - Technetium

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