Isotopes of Xenon
Notable Isotopes
124
Xe
[70 neutrons]
Abundance:
0.1%
Half life:
1.1 x 10
17
years [
Double Electron Capture
]
Decay Energy:
?
MeV
Decays to
124
Te
.
125
Xe
[71 neutrons]
Abundance:
synthetic
Half life:
16.9 hours [
Electron Capture
]
Decay Energy:
1.652
MeV
Decays to
125
I
.
126
Xe
[72 neutrons]
Abundance:
0.09%
Stable with 72 neutrons
127
Xe
[73 neutrons]
Abundance:
synthetic
Half life:
36.4 days [
Electron Capture
]
Decay Energy:
0.662
MeV
Decays to
127
I
.
128
Xe
[74 neutrons]
Abundance:
1.91%
Stable with 74 neutrons
129
Xe
[75 neutrons]
Abundance:
26.4%
Stable with 75 neutrons
130
Xe
[76 neutrons]
Abundance:
4.1%
Stable with 76 neutrons
131
Xe
[77 neutrons]
Abundance:
21.29%
Stable with 77 neutrons
132
Xe
[78 neutrons]
Abundance:
26.9%
Stable with 78 neutrons
133
Xe
[79 neutrons]
Abundance:
synthetic
Half life:
5.243 days [
beta
-
]
Decay Energy:
0.427
MeV
Decays to
133
Cs
.
134
Xe
[80 neutrons]
Abundance:
10.4%
Stable with 80 neutrons
135
Xe
[81 neutrons]
Abundance:
synthetic
Half life:
9.10 hours [
beta
-
]
Decay Energy:
1.16
MeV
Decays to
135
Cs
.
136
Xe
[82 neutrons]
Abundance:
8.9%
Half life:
2.36 x 10
21
years [
beta
-
]
Decay Energy:
?
MeV
Decays to
136
Ba
.