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Isotopes of Xenon (Z=54)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
¹¹⁰Xe	0.60 us	0+	%EC+B+=?, %A=?
¹¹¹Xe	0.74 s		%EC+%B+=?, %A=?
¹¹²Xe	2.7 s	0+	%EC+%B+=99.2, %A=0.8 +11-5
¹¹³Xe	2.74 s		%EC+%B+ ~ 100, %A ~ 0.011, %ECP=7 4, %ECA ~ 0.007 4
¹¹⁴Xe	10.0 s	0+	%EC+%B+=100
¹¹⁵Xe	18 s	(5/2+)	%EC+%B+=100, %ECP=0.34 6, %ECA=0.0003 1
¹¹⁶Xe	59 s	0+	%EC+%B+=100
¹¹⁷Xe	61 s	5/2(+)	%EC+%B+=100, %ECP=0.0029 6
¹¹⁸Xe	3.8 m	0+	%EC+%B+=100
¹¹⁹Xe	5.8 m	(5/2+)	%EC+%B+=100
¹²⁰Xe	40 m	0+	%EC+%B+=100
¹²¹Xe	40.1 m	5/2(+)	%EC+%B+=100
¹²²Xe	20.1 h	0+	%EC=100
¹²³Xe	2.08 h	(1/2)+	%EC+%B+=100
¹²⁴Xe	1.6e+14 y	0+	%Abundance=0.10 1, %ECEC=100
¹²⁵Xe	16.9 h	(1/2)+	%EC+%B+=100
^125m1Xe	57 s	(9/2)-	%IT=100
¹²⁶Xe	stable	0+	%Abundance=0.09 1
¹²⁷Xe	36.4 d	1/2+	%EC=100
^127m1Xe	69.2 s	9/2-	%IT=100
¹²⁸Xe	stable	0+	%Abundance=1.91 3
¹²⁹Xe	stable	1/2+	%Abundance=26.4 6
^129m1Xe	8.88 d	11/2-	%IT=100
¹³⁰Xe	stable	0+	%Abundance=4.1 1
¹³¹Xe	stable	3/2+	%Abundance=21.2 4
^131m1Xe	11.84 d	11/2-	%IT=100
¹³²Xe	stable	0+	%Abundance=26.9 5
^132m1Xe	8.39 ms	(10+)	%IT=100
¹³³Xe	5.243 d	3/2+	%B-=100
^133m1Xe	2.19 d	11/2-	%IT=100
¹³⁴Xe	stable	0+	%Abundance=10.4 2
^134m1Xe	290 ms	7-	%IT=100
¹³⁵Xe	9.14 h	3/2+	%B-=100
^135m1Xe	15.29 m	11/2-	%IT=99.996 , %B-=0.004
¹³⁶Xe	2.36e21 y	0+	%Abundance=8.9 1
¹³⁷Xe	3.818 m	7/2-	%B-=100
¹³⁸Xe	14.08 m	0+	%B-=100
¹³⁹Xe	39.68 s	3/2-	%B-=100
¹⁴⁰Xe	13.60 s	0+	%B-=100
¹⁴¹Xe	1.73 s	5/2(-)	%B-=100, %B-N=0.044 5
¹⁴²Xe	1.22 s	0+	%B-=100, %B-N=0.406 34
¹⁴³Xe	0.30 s	5/2-	%B-=100
¹⁴⁴Xe	1.15 s	0+	%B-=100
¹⁴⁵Xe	0.9 s		%B-=100, %B-N=?
¹⁴⁶Xe		0+	%B-=100
¹⁴⁷Xe

Isotopes of Xenon (Z=54)