Tellurium: Properties: Isotopes

Tellurium: Properties

Isotopes

Natural
Abun. (%) Atomic
Mass Half-
life Decay Mode
/Energy (/MeV) Part. En.
/Intensity
(MeV/%) Cross-sect.
Ther. Neut.
(b) Spin
(h/2 pi) Magnetic
Dipl.Mom.
(nm) Electric
Quad. Mom.
(b) Gamma En.
/Intensity
(MeV/%)
¹⁰⁶Te 105.93744 0.06ms alpha/ 4.16
¹⁰⁷Te 106.9349 3.6ms alpha,ß⁺,E.C./ 10.1 3.83
¹⁰⁸Te 107.92955 2.1s alpha,ß⁺,E.C./ 6.9 3.32 0⁺
¹⁰⁹Te 108.92737 4.6s ß⁺,E.C./ 8.6
alpha
¹¹⁰Te 109.92256 19s ß⁺,E.C./ 5.2 0⁺ rad. an.
0.2191
0.6059
¹¹¹Te 110.92113 19.3s ß⁺,E.C./ 7.4 7/2⁺ rad. an.
0.267
0.322
0.341
¹¹²Te 111.91702 2m ß⁺,E.C./ 4.3 0⁺ rad. an.
0.2962
0.3727
0.4187
¹¹³Te 112.91592 1.7s ß⁺/ 6.1
E.C. 4.5 7/2⁺ rad. an.
Sb k x rays
0.8144
1.0181
1.1812
¹¹⁴Te 113.91223 15m ß⁺/ 2.9
E.C. 0⁺ rad. an.
Sb k x rays
0.0838
0.0903
^115mTe 4.7m ß⁺,E.C. 1/2⁺ rad. an.
Sb k x rays
0.7236
0.7704
¹¹⁵Te 114.9117 5.8m ß⁺/ 4.6
E.C. 2.7 7/2⁺ rad. an.
Sb k x rays
0.7236
1.3268
1.3806
0.22 - 2.7
¹¹⁶Te 115.90845 2.49h E.C./ 1.5 0⁺ Sb k x rays
0.0937
¹¹⁷Te 116.90863 1.03h E.C./ 3.53
ß⁺ 1.78 1/2⁺ rad. an.
Sb k x rays
0.9197
1.7164
2.3
¹¹⁸Te 117.905908 6d E.C./ 0.34 0⁺ Sb k x rays
^119mTe 4.69d E.C. 11/2^- 0.89 nm Sb k x rays
0.0536
0.2705
1.21271
¹¹⁹Te 118.906411 16d ß⁺/ 2.29
E.C. 0.627 1/2⁺ 0.25 nm rad. an.
Sb k x rays
0.644
0.6998
¹²⁰Te 0.095 % 119.904048 2.25 b 0⁺
^121mTe 154d I.T.,E.C. 11/2^- Te k x rays
0.2122
¹²¹Te 120.904947 16.8d E.C./ 1.04 1/2⁺ Sb k x rays
0.5076
0.5731
¹²²Te 2.59 % 121.903054 3.4 b 0⁺
^123mTe 119.7d I.T./ 0.247 11/2^- -0.93 nm Te k x rays
0.159
¹²³Te 0.905 % 122.904271 1.3x10¹³y E.C./ 0.052 420 b 1/2⁺ -0.73695 nm
¹²⁴Te 4.79 % 123.902823 7 b 0⁺
^125mTe 58d I.T./ 0.145 11/2^- -0.99 nm -0.06 b Te k x rays
0.0355
¹²⁵Te 7.12 % 124.904433 1.6 b 1/2⁺ -0.8885 nm
¹²⁶Te 18.93 % 125.903314 0.92 b 0⁺
^127mTe 109d I.T./ 0.088
ß^-/ 0.77 11/2^- -1.04 nm Te k x rays
0.0883
¹²⁷Te 126.905227 9.4h ß^-/ 0.697 0.696 3400 b 3/2⁺ 0.64 nm 0.3603
¹²⁸Te 31.7 % 127.904463 0.2 b 0⁺
^129mTe 33.6d I.T./ 0.105
ß^-
1.6 11/2^- Te k x rays
0.45984
0.6959
¹²⁹Te 128.906594 1.16h ß^-/ 1.501 0.99/ 9
1.45/ 89 3/2⁺ 0.7 nm 0.06 b 0.0278
0.45984
0.48728
¹³⁰Te 33.87 % 129.906229 2.5x10²¹y 0.2 b 0⁺
^131mTe 1.35d ß^-/ 2.4
I.T./ 0.18 0.42 11/2^- -1.04 nm 0.0811
0.1021
0.14973
0.77369
0.79375
0.85225
¹³¹Te 130.908528 25m ß^-/ 2.251 1.35/ 12
1.69/ 22
2.14/ 60 3/2⁺ 0.7 nm 0.14973
0.45327
0.49269
¹³²Te 131.908517 3.26d ß^-/ 0.49 0.215 0⁺ 0.04972
0.11198
0.2283
^133mTe 55.4m ß^-,I.T./ 0.334 2.4/ 30 11/2^- Te k x rays
0.0949
0.1689
0.3121
0.3341
¹³³Te 132.91091 12.4m ß^-/ 2.9 2.25/ 25
2.65 3/2⁺ 0.3121
0.4079
1.3334
¹³⁴Te 133.91152 42m ß^-/ 1.6 0.6
0.7 0⁺ 0.7672/ 29
0.0794 - 0.9255
¹³⁵Te 134.91642 19s ß^-/ 6 5.4
6 0.267
0.603
0.87
¹³⁶Te 135.92012 17.5s ß^-/ 5.09 2.5 0⁺ 2.0779/ 25
0.0873 - 3.235
¹³⁷Te 136.92541 2.5s ß^-/ 7
n 6.8 7/2^- 0.2436
¹³⁸Te 137.92903 1.4s ß^-/ 6.2

	Natural Abun. (%)	Atomic Mass	Half- life	Decay Mode /Energy (/MeV)	Part. En. /Intensity (MeV/%)	Cross-sect. Ther. Neut. (b)	Spin (h/2 pi)	Magnetic Dipl.Mom. (nm)	Electric Quad. Mom. (b)	Gamma En. /Intensity (MeV/%)
¹⁰⁶Te		105.93744	0.06ms	alpha/ 4.16
¹⁰⁷Te		106.9349	3.6ms	alpha,ß⁺,E.C./ 10.1	3.83
¹⁰⁸Te		107.92955	2.1s	alpha,ß⁺,E.C./ 6.9	3.32		0⁺
¹⁰⁹Te		108.92737	4.6s	ß⁺,E.C./ 8.6 alpha
¹¹⁰Te		109.92256	19s	ß⁺,E.C./ 5.2			0⁺			rad. an. 0.2191 0.6059
¹¹¹Te		110.92113	19.3s	ß⁺,E.C./ 7.4			7/2⁺			rad. an. 0.267 0.322 0.341
¹¹²Te		111.91702	2m	ß⁺,E.C./ 4.3			0⁺			rad. an. 0.2962 0.3727 0.4187
¹¹³Te		112.91592	1.7s	ß⁺/ 6.1 E.C.	4.5		7/2⁺			rad. an. Sb k x rays 0.8144 1.0181 1.1812
¹¹⁴Te		113.91223	15m	ß⁺/ 2.9 E.C.			0⁺			rad. an. Sb k x rays 0.0838 0.0903
^115mTe			4.7m	ß⁺,E.C.			1/2⁺			rad. an. Sb k x rays 0.7236 0.7704
¹¹⁵Te		114.9117	5.8m	ß⁺/ 4.6 E.C.	2.7		7/2⁺			rad. an. Sb k x rays 0.7236 1.3268 1.3806 0.22 - 2.7
¹¹⁶Te		115.90845	2.49h	E.C./ 1.5			0⁺			Sb k x rays 0.0937
¹¹⁷Te		116.90863	1.03h	E.C./ 3.53 ß⁺	1.78		1/2⁺			rad. an. Sb k x rays 0.9197 1.7164 2.3
¹¹⁸Te		117.905908	6d	E.C./ 0.34			0⁺			Sb k x rays
^119mTe			4.69d	E.C.			11/2^-	0.89 nm		Sb k x rays 0.0536 0.2705 1.21271
¹¹⁹Te		118.906411	16d	ß⁺/ 2.29 E.C.	0.627		1/2⁺	0.25 nm		rad. an. Sb k x rays 0.644 0.6998
¹²⁰Te	0.095 %	119.904048				2.25 b	0⁺
^121mTe			154d	I.T.,E.C.			11/2^-			Te k x rays 0.2122
¹²¹Te		120.904947	16.8d	E.C./ 1.04			1/2⁺			Sb k x rays 0.5076 0.5731
¹²²Te	2.59 %	121.903054				3.4 b	0⁺
^123mTe			119.7d	I.T./ 0.247			11/2^-	-0.93 nm		Te k x rays 0.159
¹²³Te	0.905 %	122.904271	1.3x10¹³y	E.C./ 0.052		420 b	1/2⁺	-0.73695 nm
¹²⁴Te	4.79 %	123.902823				7 b	0⁺
^125mTe			58d	I.T./ 0.145			11/2^-	-0.99 nm	-0.06 b	Te k x rays 0.0355
¹²⁵Te	7.12 %	124.904433				1.6 b	1/2⁺	-0.8885 nm
¹²⁶Te	18.93 %	125.903314				0.92 b	0⁺
^127mTe			109d	I.T./ 0.088 ß^-/ 0.77			11/2^-	-1.04 nm		Te k x rays 0.0883
¹²⁷Te		126.905227	9.4h	ß^-/ 0.697	0.696	3400 b	3/2⁺	0.64 nm		0.3603
¹²⁸Te	31.7 %	127.904463				0.2 b	0⁺
^129mTe			33.6d	I.T./ 0.105 ß^-	1.6		11/2^-			Te k x rays 0.45984 0.6959
¹²⁹Te		128.906594	1.16h	ß^-/ 1.501	0.99/ 9 1.45/ 89		3/2⁺	0.7 nm	0.06 b	0.0278 0.45984 0.48728
¹³⁰Te	33.87 %	129.906229	2.5x10²¹y			0.2 b	0⁺
^131mTe			1.35d	ß^-/ 2.4 I.T./ 0.18	0.42		11/2^-	-1.04 nm		0.0811 0.1021 0.14973 0.77369 0.79375 0.85225
¹³¹Te		130.908528	25m	ß^-/ 2.251	1.35/ 12 1.69/ 22 2.14/ 60		3/2⁺	0.7 nm		0.14973 0.45327 0.49269
¹³²Te		131.908517	3.26d	ß^-/ 0.49	0.215		0⁺			0.04972 0.11198 0.2283
^133mTe			55.4m	ß^-,I.T./ 0.334	2.4/ 30		11/2^-			Te k x rays 0.0949 0.1689 0.3121 0.3341
¹³³Te		132.91091	12.4m	ß^-/ 2.9	2.25/ 25 2.65		3/2⁺			0.3121 0.4079 1.3334
¹³⁴Te		133.91152	42m	ß^-/ 1.6	0.6 0.7		0⁺			0.7672/ 29 0.0794 - 0.9255
¹³⁵Te		134.91642	19s	ß^-/ 6	5.4 6					0.267 0.603 0.87
¹³⁶Te		135.92012	17.5s	ß^-/ 5.09	2.5		0⁺			2.0779/ 25 0.0873 - 3.235
¹³⁷Te		136.92541	2.5s	ß^-/ 7 n	6.8		7/2^-			0.2436
¹³⁸Te		137.92903	1.4s	ß^-/ 6.2