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Isotopes of Tellurium (Z=52)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
¹⁰⁶Te	60 us	0+	%A=100
¹⁰⁷Te	3.1 ms		%A > 70, %EC+%B+ < 30
¹⁰⁸Te	2.1 s	0+	%EC+%B+=51 4, %A=49 4 , %B+P=2.4 10
¹⁰⁹Te	4.6 s		%EC+%B+=96.1 13 , %A=3.9 13, %ECP=?
¹¹⁰Te	18.6 s	0+	%EC+%B+ ~ 100, %A ~ 0.003
¹¹¹Te	19.3 s	(5/2+)	%EC+%B+=100, %ECP=?
¹¹²Te	2.0 m	0+	%EC+%B+=100
¹¹³Te	1.7 m	(7/2+)	%EC+%B+=100
¹¹⁴Te	15.2 m	0+	%EC+%B+=100
¹¹⁵Te	5.8 m	7/2+	%EC+%B+=100
^115m1Te	6.7 m	(1/2)+	%EC+%B+ < 100, %IT=?
¹¹⁶Te	2.49 h	0+	%EC+%B+=100
¹¹⁷Te	62 m	1/2+	%EC+%B+=100
^117m1Te	103 ms	11/2-	%IT=100
¹¹⁸Te	6.00 d	0+	%EC=100
¹¹⁹Te	16.03 h	1/2+	%EC+%B+=100
^119m1Te	4.70 d	11/2-	%EC+%B+=100, %IT < 0.008
¹²⁰Te	stable	0+	%Abundance=0.096 2
¹²¹Te	16.78 d	1/2+	%EC+%B+=100
^121m1Te	154 d	11/2-	%IT=88.6 11 , %EC+%B+=11.4 11
¹²²Te	stable	0+	%Abundance=2.603 4
¹²³Te	1e+13 y	1/2+	%Abundance=0.908 2, %EC=100
^123m1Te	119.7 d	11/2-	%IT=100
¹²⁴Te	stable	0+	%Abundance=4.816 6
¹²⁵Te	stable	1/2+	%Abundance=7.139 6
^125m1Te	57.40 d	11/2-	%IT=100
¹²⁶Te	stable	0+	%Abundance=18.95 1
¹²⁷Te	9.35 h	3/2+	%B-=100
^127m1Te	109 d	11/2-	%IT=97.6 2, %B-=2.4 2
¹²⁸Te	2.2e24 y	0+	%Abundance=31.69 1, %BB=100
¹²⁹Te	69.6 m	3/2+	%B-=100
^129m1Te	33.6 d	11/2-	%IT=63 17 , %B-=37 17
¹³⁰Te	7.9e20 y	0+	%Abundance=33.80 1, %B-B-=100
¹³¹Te	25.0 m	3/2+	%B-=100
^131m1Te	30 h	11/2-	%B-=77.8 16, %IT=22.2 16
¹³²Te	3.204 d	0+	%B-=100
¹³³Te	12.5 m	(3/2+)	%B-=100
^133m1Te	55.4 m	(11/2-)	%IT=17.5 30, %B-=82.5 30
¹³⁴Te	41.8 m	0+	%B-=100
¹³⁵Te	19.0 s	(7/2-)	%B-=100
¹³⁶Te	17.5 s	0+	%B-=100, %B-N=1.1 6
¹³⁷Te	2.49 s	(7/2-)	%B-=100, %B-N=2.69 63
¹³⁸Te	1.4 s	0+	%B-=100, %B-N=6.3 21
¹³⁹Te
¹⁴⁰Te		0+
¹⁴¹Te
¹⁴²Te		0+

Isotopes of Tellurium (Z=52)