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Periodic Table of Elements

Te - Tellurium

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Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Te106	105.938	54	Syn	0+	60us	α	Sn102		4.320
Te107	106.935	55	Syn		3.1ms	α	Sn103	70	4.008
					3.1ms	ε	Sb107	30	10.100
Te108	107.929	56	Syn	0+	2.1s	ε	Sb108	51	6.800
					2.1s	α	Sn104	49	3.442
Te109	108.9275	57	Syn		4.6s	ε	Sb109	96.1	8.680
					4.6s	α	Sn105	3.9	3.230
Te110	109.9224	58	Syn	0+	18.6s	ε	Sb110	~100	5.250
					18.6s	α	Sn106	~0.003	2.723
Te111	110.9211	59	Syn	5/2+	19.3s	ε	Sb111		7.370
					19.3s	ε + P	Sn110		5.070
Te112	111.917	60	Syn	0+	2m	ε	Sb112		4.350
Te113	112.916	61	Syn	7/2+	1.7m	ε	Sb113		6.100
Te114	113.912	62	Syn	0+	15.2m	ε	Sb114		2.800
Te115	114.912	63	Syn	7/2+	5.8m	ε	Sb115		4.640
meta state 0.020MeV			Syn	1/2+	6.7m	ε	Sb115	<=100	4.660
					6.7m	IT			0.020
meta state 0.280MeV			Syn	11/2-	7.5us	IT			0.280
Te116	115.9084	64	Syn	0+	2.49h	ε	Sb116		1.510
Te117	116.9086	65	Syn	1/2+	62m	ε	Sb117		3.535
meta state 0.296MeV			Syn	11/2-	103ms	IT			0.296
Te118	117.9058	66	Syn	0+	6d	ε	Sb118		0.278
Te119	118.9064	67	Syn	1/2+	16.03h	ε	Sb119		2.293
meta state 0.261MeV			Syn	11/2-	4.7d	IT	Te119	0.008	0.261
					4.7d	ε	Sb119		2.554
Te120	119.904	68	0.096	0+	Stable
Te121	120.9049	69	Syn	1/2+	16.78d	ε	Sb121		1.040
meta state 0.294MeV			Syn	11/2-	154d	IT		88.6	0.294
					154d	ε	Sb121	11.4	1.334
Te122	121.9031	70	2.603	0+	Stable
Te123	122.9043	71	0.908	1/2+	>1E¹³y	ε	Sb123		0.051
meta state 0.248MeV			Syn	11/2-	119.7d	IT			0.248
Te124	123.9028	72	4.816	0+	Stable
Te125	124.9044	73	7.139	1/2+	Stable
meta state 0.145MeV			Syn	11/2-	57.4d	IT			0.145
Te126	125.9033	74	18.952	0+	Stable
Te127	126.9052	75	Syn	3/2+	9.35h	β^-	I127		0.698
meta state 0.088MeV			Syn	11/2-	109d	IT		97.6	0.088
					109d	β^-	I127	2.4	0.786
Te128	127.9045	76	31.687	0+	2.2E²⁴y	β^-	Xe128		0.867
Te129	128.9066	77	Syn	3/2+	69.6m	β^-	I129		1.498
meta state 0.105MeV			Syn	11/2-	33.6d	IT		63	0.105
					33.6d	β^-	I129	37	1.604
Te130	129.9062	78	33.799	0+	7.9E²⁰y	β^-	Xe130		2.528
Te131	130.9085	79	Syn	3/2+	25m	β^-	I131		2.233
meta state 0.182MeV			Syn	11/2-	30h	β^-	I131	77.8	2.415
					30h	IT		22.2	0.182
Te132	131.9085	80	Syn	0+	3.204d	β^-	I132		0.493
Te133	132.9109	81	Syn	3/2+	12.5m	β^-	I133		2.920
meta state 0.334MeV			Syn	11/2-	55.4m	β^-	I133	82.5	3.254
					55.4m	IT		17.5	0.334
Te134	133.9115	82	Syn	0+	41.8m	β^-	I134		1.560
Te135	134.9165	83	Syn	7/2-	19s	β^-	I135		5.960
Te136	135.9201	84	Syn	0+	17.5s	β^- + N	I135	1.3	1.290
					17.5s	β^-	I136		5.070
Te137	136.925	85	Syn	7/2-	2.49s	β^- + N	I136	2.69	1.870
					2.49s	β^-	I137		6.940
Te138	137.929	86	Syn	0+	1.4s	β^- + N	I137	6.3	2.500
					1.4s	β^-	I138		6.370
Te139	138.935	87	Syn		>150ns
Te140	139.939	88	Syn	0+	>150ns
Te141	140.944	89	Syn		>150ns
Te142	141.949	90	Syn	0+	>150ns

Nuclide	Potential Parent Nuclides
Te106	Xe110 (Syn)
Te107	Xe111 (Syn)
Te108	I109 (Syn) Xe112 (Syn)
Te109	Xe113 (Syn)
Te110	Cs114 (Syn) I110 (Syn)
Te111	I111 (Syn)
Te112	Cs116m1 (Syn) I112 (Syn) Xe113 (Syn)
Te113	I113 (Syn)
Te114	Cs118 (Syn) Cs118m (Syn) I114 (Syn) I114m (Syn) Xe115 (Syn)
Te115	I115 (Syn)
meta state 0.020MeV	None known
meta state 0.280MeV	None known
Te116	I116 (Syn) Xe117 (Syn)
Te117	I117 (Syn)
meta state 0.296MeV	None known
Te118	I118 (Syn) I118m (Syn)
Te119	I119 (Syn) Te119m (Syn)
meta state 0.261MeV	None known
Te120	I120 (Syn) I120m (Syn)
Te121	I121 (Syn)
meta state 0.294MeV	None known
Te122	I122 (Syn) Sb122 (Syn)
Te123	I123 (Syn)
meta state 0.248MeV	None known
Te124	I124 (Syn) Sb124 (Syn) Sb124m (Syn)
Te125	I125 (Syn) Sb125 (Syn)
meta state 0.145MeV	None known
Te126	I126 (Syn) Sb126 (Syn) Sb126m (Syn)
Te127	Sb127 (Syn)
meta state 0.088MeV	None known
Te128	I128 (Syn) Sb128 (Syn) Sb128m (Syn)
Te129	Sb129 (Syn) Sb129m (Syn)
meta state 0.105MeV	None known
Te130	Sb130 (Syn) Sb130m (Syn)
Te131	Sb131 (Syn)
meta state 0.182MeV	None known
Te132	Sb132 (Syn) Sb132m (Syn)
Te133	Sb133 (Syn) Sb134m (Syn)
meta state 0.334MeV	None known
Te134	Sb134 (Syn) Sb134m (Syn) Sb135 (Syn)
Te135	Sb135 (Syn) Sb136 (Syn)
Te136	Sb136 (Syn)
Te137	None known
Te138	None known
Te139	None known
Te140	None known
Te141	None known
Te142	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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Periodic Table of Elements

Te - Tellurium

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