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Periodic Table of Elements

Sb - Antimony

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Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Sb103	102.94	52	Syn		>1.5us
Sb104	103.936	53	Syn		0.44s	ε + P	In103	<7	8.000
					0.44s	P	Sn103	<1	0.310
					0.44s	ε	Sn104		12.200
Sb105	104.932	54	Syn		1.12s	ε	Sn105		9.440
					1.12s	P	Sn104		0.483
Sb106	105.929	55	Syn	4+
Sb107	106.924	56	Syn	5/2+		α	In103		1.500
						ε	Sn107		7.900
Sb108	107.922	57	Syn	4+	7.4s	ε	Sn108		9.510
Sb109	108.9181	58	Syn	5/2+	17s	ε	Sn109		6.380
Sb110	109.917	59	Syn	3+	23s	ε	Sn110		8.300
Sb111	110.913	60	Syn	5/2+	75s	ε	Sn111		5.100
Sb112	111.9124	61	Syn	3+	51.4s	ε	Sn112		7.055
Sb113	112.9094	62	Syn	5/2+	6.67m	ε	Sn113		3.905
Sb114	113.909	63	Syn	3+	3.49m	ε	Sn114		5.880
Sb115	114.9066	64	Syn	5/2+	32.1m	ε	Sn115		3.030
meta state 1.300MeV			Syn	11/2-	6.2ns	IT			1.300
meta state 2.796MeV			Syn	19/2-	159ns	IT			2.796
meta state 3.659MeV			Syn	25/2+	4.1ns	IT			3.660
Sb116	115.9068	65	Syn	3+	15.8m	ε	Sn116		4.707
meta state 0.383MeV			Syn	8-	60.3m	ε	Sn116		5.090
Sb117	116.9048	66	Syn	5/2+	2.80h	ε	Sn117	1.7	1.757
meta state 3.130MeV			Syn	25/2+	355us	IT			3.131
Sb118	117.9055	67	Syn	1+	3.6m	ε	Sn118		3.657
meta state 0.250MeV			Syn	8-	5h	ε	Sn118		3.907
Sb119	118.904	68	Syn	5/2+	38.19h	ε	Sn119		0.594
Sb120	119.9051	69	Syn	1+	15.89m	ε	Sn120		2.681
meta state 0.000MeV			Syn	8-	5.76d	ε	Sn120		2.681
Sb121	120.9038	70	57.36	5/2+	Stable
Sb122	121.9052	71	Syn	2-	2.7238d	β^-	Te122	97.59	1.979
					2.7238d	ε	Sn122	2.41	1.620
meta state 0.137MeV			Syn	5+	0.53ms	IT			0.137
meta state 0.164MeV			Syn	8-	4.191m	IT			0.164
Sb123	122.9042	72	42.64	7/2+	Stable
Sb124	123.9059	73	Syn	3-	60.20d	β^-	Te124		2.905
meta state 0.010MeV			Syn	5+	93s	IT		75	0.011
					93s	β^-	Te124	25	2.916
meta state 0.036MeV			Syn	8-	20.2m	IT			0.037
Sb125	124.9053	74	Syn	7/2+	2.7582y	β^-	Te125		0.767
Sb126	125.9072	75	Syn	8-	12.46d	β^-	Te126		3.670
meta state 0.018MeV			Syn	5+	19.15m	β^-	Te126	86	3.688
					19.15m	IT		14	0.018
meta state 0.040MeV			Syn	3-	~11s
Sb127	126.9069	76	Syn	7/2+	3.85d	β^-	Te127		1.581
Sb128	127.9092	77	Syn	8-	9.01h	β^-	Te128		4.380
meta state 0.000MeV			Syn	5+	10.4m	β^-	Te128	96.4	4.380
					10.4m	IT		3.6
Sb129	128.9092	78	Syn	7/2+	4.40h	β^-	Te129		2.380
meta state 1.851MeV			Syn	19/2-	17.7m	β^-	Te129	85	4.231
					17.7m	IT		15	1.851
Sb130	129.9115	79	Syn	8-	39.5m	β^-	Te130		4.960
meta state 0.000MeV			Syn	5+	6.3m	β^-	Te130		4.960
Sb131	130.9119	80	Syn	7/2+	23.03m	β^-	Te131		3.190
Sb132	131.9144	81	Syn	4+	2.79m	β^-	Te132		5.290
meta state 0.000MeV			Syn	8-	4.1m	β^-	Te132		5.290
Sb133	132.9152	82	Syn	7/2+	2.5m	β^-	Te133		4.003
meta state 4.364MeV			Syn		3us	IT			4.365
meta state 4.527MeV			Syn		16us	IT			4.527
Sb134	133.9206	83	Syn	0-	0.78s	β^-	Te134		8.420
meta state 0.000MeV			Syn	7-	10.23s	β^- + N	Te133	0.09	0.910
					10.23s	β^-	Te134		8.420
Sb135	134.925	84	Syn	7/2+	1.71s	β^- + N	Te134	17.6	4.620
					1.71s	β^-	Te135		8.120
Sb136	135.931	85	Syn		0.82s	β^- + N	Te135	24	4.700
					0.82s	β^-	Te136		9.300
Sb137	136.935	86	Syn		>150ns
Sb138	137.941	87	Syn		>150ns
Sb139	138.946	88	Syn		>150ns

Nuclide	Potential Parent Nuclides
Sb103	None known
Sb104	I108 (Syn)
Sb105	None known
Sb106	I110 (Syn)
Sb107	I111 (Syn) Te107 (Syn)
Sb108	I112 (Syn) Te108 (Syn)
Sb109	I110 (Syn) I113 (Syn) Te109 (Syn)
Sb110	Te110 (Syn)
Sb111	Te111 (Syn)
Sb112	Te112 (Syn)
Sb113	I114 (Syn) Te113 (Syn)
Sb114	Te114 (Syn)
Sb115	Te115 (Syn) Te115m (Syn)
meta state 1.300MeV	None known
meta state 2.796MeV	None known
meta state 3.659MeV	None known
Sb116	Te116 (Syn)
meta state 0.383MeV	None known
Sb117	Te117 (Syn)
meta state 3.130MeV	None known
Sb118	Te118 (Syn)
meta state 0.250MeV	None known
Sb119	Te119 (Syn) Te119m (Syn)
Sb120	None known
meta state 0.000MeV	None known
Sb121	Sn121 (Syn) Sn121m (Syn) Te121 (Syn) Te121m (Syn)
Sb122	None known
meta state 0.137MeV	None known
meta state 0.164MeV	None known
Sb123	Sn123 (Syn) Sn123m (Syn) Te123 (Natural)
Sb124	None known
meta state 0.010MeV	None known
meta state 0.036MeV	None known
Sb125	Sn125 (Syn) Sn125m (Syn)
Sb126	Sn126 (Syn)
meta state 0.018MeV	None known
meta state 0.040MeV	None known
Sb127	Sn127 (Syn) Sn127m (Syn)
Sb128	Sn128 (Syn)
meta state 0.000MeV	None known
Sb129	Sn129 (Syn) Sn129m (Syn)
meta state 1.851MeV	None known
Sb130	Sn130 (Syn) Sn130m (Syn)
meta state 0.000MeV	None known
Sb131	Sn131 (Syn) Sn131m (Syn)
Sb132	Sn132 (Syn) Sn133 (Syn)
meta state 0.000MeV	None known
Sb133	Sn133 (Syn) Sn134 (Syn)
meta state 4.364MeV	None known
meta state 4.527MeV	None known
Sb134	Sn134 (Syn)
meta state 0.000MeV	None known
Sb135	None known
Sb136	None known
Sb137	None known
Sb138	None known
Sb139	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

Sb - Antimony

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