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Isotopes of Antimony (Z=51)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
¹⁰³Sb
¹⁰⁴Sb	0.44 s		%EC+%B+=100, %P < 1, %ECP < 7
¹⁰⁵Sb	1.12 s		%EC+%B+=?, %P=?
¹⁰⁶Sb		(4+)
¹⁰⁷Sb		(5/2+)
¹⁰⁸Sb	7.4 s	(4+)	%EC+%B+=100, %ECP=?
¹⁰⁹Sb	17.0 s	(5/2+)	%EC+%B+=100
¹¹⁰Sb	23.0 s	3+	%EC+%B+=100
¹¹¹Sb	75 s	(5/2+)	%EC+%B+=100
¹¹²Sb	51.4 s	3+	%EC+%B+=100
¹¹³Sb	6.67 m	5/2+	%EC+%B+=100
¹¹⁴Sb	3.49 m	3+	%EC+%B+=100
¹¹⁵Sb	32.1 m	5/2+	%EC+%B+=100
¹¹⁶Sb	15.8 m	3+	%EC+%B+=100
^116m1Sb	60.3 m	8-	%EC+%B+=100
¹¹⁷Sb	2.80 h	5/2+	%EC+%B+=100
¹¹⁸Sb	3.6 m	1+	%EC+%B+=100
^118m1Sb	5.00 h	8-	%EC+%B+=100
¹¹⁹Sb	38.19 h	5/2+	%EC=100
^119m1Sb	0.85 s	(25/2+)	%IT=100
¹²⁰Sb	15.89 m	1+	%EC+%B+=100
^120m1Sb	5.76 d	8-	%EC+%B+=100
¹²¹Sb	stable	5/2+	%Abundance=57.36 8
¹²²Sb	2.7238 d	2-	%B-=97.59 12, %EC+%B+=2.41 12
^122m1Sb	4.191 m	(8)-	%IT=100
¹²³Sb	stable	7/2+	%Abundance=42.64 8
¹²⁴Sb	60.20 d	3-	%B-=100
^124m1Sb	93 s	5+	%IT=75 5, %B-=25 5
^124m2Sb	20.2 m	(8)-	%IT=100
¹²⁵Sb	2.7582 y	7/2+	%B-=100
¹²⁶Sb	12.46 d	(8)-	%B-=100
^126m1Sb	19.15 m	(5)+	%B-=86 4, %IT=14 4
^126m2Sb	11 s	(3)-	%IT=100
¹²⁷Sb	3.85 d	7/2+	%B-=100
¹²⁸Sb	9.01 h	8-	%B-=100
^128m1Sb	10.4 m	5+	%B-=96.4 10, %IT=3.6 10
¹²⁹Sb	4.40 h	7/2+	%B-=100
^129m1Sb	17.7 m	(19/2-)	%B-=85, %IT=15
¹³⁰Sb	39.5 m	(8-)	%B-=100
^130m1Sb	6.3 m	(5)+	%B-=100
¹³¹Sb	23.03 m	(7/2+)	%B-=100
¹³²Sb	2.79 m	(4+)	%B-=100
^132m1Sb	4.10 m	(8-)	%B-=100
¹³³Sb	2.5 m	(7/2+)	%B-=100
¹³⁴Sb	0.78 s	(0-)	%B-=100
^134m1Sb	10.23 s	(7-)	%B-=100, %B-N=0.091 8
¹³⁵Sb	1.71 s	(7/2+)	%B-=100 , %B-N=16.4 18
¹³⁶Sb	0.82 s		%B-=100, %B-N=24.0, %B-2N=?
¹³⁷Sb
¹³⁸Sb
¹³⁹Sb

Isotopes of Antimony (Z=51)