Isotopes of Xenon

List of known isotopes of the element Xenon.

Isotope	t½	%	Spin/parity	Radius	Isotopic mass	Discovery
¹⁰⁸Xe	54 ± us	syn.	0+	—	1.079·10⁸ ±407.4 keV/c²	2018
¹⁰⁹Xe	13 ±2 ms	syn.	(7/2+)	—	1.089·10⁸ ±322.1 keV/c²	2006
¹¹⁰Xe	93 ±3 ms	syn.	0+	—	1.099·10⁸ ±108.4 keV/c²	1981
¹¹¹Xe	0.74 ±20 s	syn.	—	—	1.109·10⁸ ±124 keV/c²	1979
¹¹²Xe	2.7 ±8 s	syn.	0+	—	1.119·10⁸ ±8.891 keV/c²	1978
¹¹³Xe	2.74 ±8 s	syn.	(5/2+)	—	1.129·10⁸ ±7.342 keV/c²	1973
¹¹⁴Xe	10 ±4 s	syn.	0+	—	1.139·10⁸ ±12 keV/c²	1977
¹¹⁵Xe	18 ±4 s	syn.	(5/2+)	—	1.149·10⁸ ±13 keV/c²	1969
¹¹⁶Xe	59 ±2 s	syn.	0+	4.721 ±0.0096 fm	1.159·10⁸ ±13.97 keV/c²	1969
¹¹⁷Xe	61 ±2 s	syn.	5/2(+)	—	1.169·10⁸ ±11.14 keV/c²	1969
¹¹⁸Xe	3.8 ±9 m	syn.	0+	4.738 ±0.007 fm	1.179·10⁸ ±11.14 keV/c²	1965
¹¹⁹Xe	5.8 ±3 m	syn.	(5/2+)	—	1.189·10⁸ ±11.14 keV/c²	1965
¹²⁰Xe	40 ±1 m	syn.	0+	4.75 ±0.0063 fm	1.199·10⁸ ±12.68 keV/c²	1965
¹²¹Xe	40.1 ±20 m	syn.	5/2(+)	—	1.209·10⁸ ±10.99 keV/c²	1952
¹²²Xe	20.1 ±1 h	syn.	0+	4.759 ±0.0059 fm	1.219·10⁸ ±11.92 keV/c²	1952
¹²³Xe	2.05 ±14 h	syn.	1/2(+)	—	1.229·10⁸ ±10.23 keV/c²	1952
¹²⁴Xe	1.6·10¹⁴ a	0.095 ±0.005 %	0+	4.766 ±0.0055 fm	1.239·10⁸ ±1.457 keV/c²	1922
¹²⁵Xe	16.9 ±2 h	syn.	1/2(+)	—	1.249·10⁸ ±1.518 keV/c²	1950
¹²⁶Xe	stab.	0.089 ±0.003 %	0+	4.772 ±0.0052 fm	1.259·10⁸ ±0.006 keV/c²	1922
¹²⁷Xe	36.34 ±3 d	syn.	1/2+	4.774 ±0.0038 fm	1.269·10⁸ ±4.388 keV/c²	1950
¹²⁸Xe	stab.	1.91 ±0.013 %	0+	4.777 ±0.005 fm	1.279·10⁸ ±0.00558 keV/c²	1922
¹²⁹Xe	stab.	26.4 ±0.138 %	1/2+	4.777 ±0.005 fm	1.289·10⁸ ±0.00542 keV/c²	1920
¹³⁰Xe	stab.	4.071 ±0.022 %	0+	4.781 ±0.0049 fm	1.299·10⁸ ±0.01 keV/c²	1922
¹³¹Xe	stab.	21.23 ±0.051 %	3/2+	4.78 ±0.0049 fm	1.309·10⁸ ±0.00549 keV/c²	1920
¹³²Xe	stab.	26.9 ±0.055 %	0+	4.785 ±0.0048 fm	1.319·10⁸ ±0.00544 keV/c²	1920
¹³³Xe	5.247 ±5 d	syn.	3/2+	4.783 ±0.0048 fm	1.329·10⁸ ±2.576 keV/c²	1940
¹³⁴Xe	5.8·10²² a	10.43 ±0.035 %	0+	4.789 ±0.0047 fm	1.339·10⁸ ±0.006 keV/c²	1920
¹³⁵Xe	9.14 ±2 h	syn.	3/2+	—	1.349·10⁸ ±3.938 keV/c²	1940
¹³⁶Xe	2.165·10²¹ ±61 a	8.857 ±0.072 %	0+	4.796 ±0.0047 fm	1.359·10⁸ ±0.007 keV/c²	1920
¹³⁷Xe	3.818 ±13 m	syn.	7/2-	4.809 ±0.0049 fm	1.369·10⁸ ±0.111 keV/c²	1943
¹³⁸Xe	14.14 ±7 m	syn.	0+	4.827 ±0.0079 fm	1.379·10⁸ ±3.01 keV/c²	1943
¹³⁹Xe	39.68 ±14 s	syn.	3/2-	4.84 ±0.01 fm	1.389·10⁸ ±2.3 keV/c²	1951
¹⁴⁰Xe	13.6 ±10 s	syn.	0+	4.856 ±0.0125 fm	1.399·10⁸ ±2.5 keV/c²	1951
¹⁴¹Xe	1.73 ±1 s	syn.	5/2(-)	4.869 ±0.0147 fm	1.409·10⁸ ±3.1 keV/c²	1951
¹⁴²Xe	1.23 ±2 s	syn.	0+	4.884 ±0.0169 fm	1.419·10⁸ ±2.9 keV/c²	1960
¹⁴³Xe	0.511 ±6 s	syn.	5/2-	4.894 ±0.0187 fm	1.429·10⁸ ±5 keV/c²	1951
¹⁴⁴Xe	1.15 ±20 s	syn.	0+	4.908 ±0.0208 fm	1.439·10⁸ ±5.7 keV/c²	2003
¹⁴⁵Xe	188 ±4 ms	syn.	—	—	1.449·10⁸ ±12 keV/c²	2003
¹⁴⁶Xe	146 ±6 ms	syn.	0+	4.931 ±0.0245 fm	1.459·10⁸ ±26 keV/c²	1989
¹⁴⁷Xe	88 ±14 ms	syn.	—	—	1.469·10⁸ ±215 keV/c²	1994
¹⁴⁸Xe	0.4 us	syn.	0+	—	1.479·10⁸ ±322 keV/c²	2010
¹⁴⁹Xe	stab.	syn.	—	—	1.489·10⁸ ±322 keV/c²	2018
¹⁵⁰Xe	stab.	syn.	0+	—	1.499·10⁸ ±322 keV/c²	2018

108XeXenon-108

Classification	z: 54; n: 54; m: 108
Half life	54 ± us
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; two-proton emission
Discovery	2018
Mass excess	-42,640 ±379.4 keV
Binding energy	8,074 ±3.513 keV
Single-particle energy	492 ±484 keV
Q value for electron capture	10,130 ±392.7 keV

Point at nuclide Decay chain of Xenon-108

109XeXenon-109

Classification	z: 54; n: 55; m: 109
Half life	13 ±2 ms
Natural abundance	synthetic nuclide
Spin/parity	(7/2+)
Decay modes	α decay
Discovery	2006
Mass excess	-46,170 ±300.1 keV
Binding energy	8,107 ±2.753 keV
Single-particle energy	687 ±317 keV
Neutron separation energy	11,600 ±483.8 keV
Q value for electron capture	11,500 ±300.1 keV

Point at nuclide Decay chain of Xenon-109

110XeXenon-110

Classification	z: 54; n: 56; m: 110
Half life	93 ±3 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	α decay; electron capture + β⁺ decay; electron capture + proton emission
Discovery	1981
Mass excess	-51,930 ±100.9 keV
Binding energy	8,159 ±0.9181 keV
Single-particle energy	1,539 ±101.2 keV
Neutron separation energy	13,820 ±316.6 keV
Q value for electron capture	8,545 ±118.4 keV

Point at nuclide Decay chain of Xenon-110

111XeXenon-111

Classification	z: 54; n: 57; m: 111
Half life	0.74 ±20 s
Natural abundance	synthetic nuclide
Decay modes	α decay; electron capture + β⁺ decay
Discovery	1979
Mass excess	-54,520 ±115 keV
Binding energy	8,182 ±1 keV
Single-particle energy	1,341 ±131 keV
Neutron separation energy	10,660 ±153 keV
Q value for electron capture	10,430 ±115 keV
β⁻ decay energy	-11,620 ±231 keV

Point at nuclide Decay chain of Xenon-111

112XeXenon-112

Classification	z: 54; n: 58; m: 112
Half life	2.7 ±8 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay; α decay
Discovery	1978
Mass excess	-60,030 ±8.283 keV
Binding energy	8,230 ±0.074 keV
Single-particle energy	2,361 ±9.549 keV
Neutron separation energy	13,570 ±116 keV
Q value for electron capture	7,036 ±13.17 keV
β⁻ decay energy	-13,620 ±116 keV
β⁻ decay energy with neutron	-25,200 ±200 keV

Point at nuclide Decay chain of Xenon-112

113XeXenon-113

Classification	z: 54; n: 59; m: 113
Half life	2.74 ±8 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay; electron capture + proton emission; α decay
Discovery	1973
Mass excess	-62,210 ±6.84 keV
Binding energy	8,247 ±0.0605 keV
Single-particle energy	2,429 ±12.31 keV
Neutron separation energy	10,240 ±10.74 keV
Q value for electron capture	8,915 ±10.53 keV
β⁻ decay energy	-10,440 ±10.97 keV
β⁻ decay energy with neutron	-23,860 ±116 keV

Point at nuclide Decay chain of Xenon-113

114XeXenon-114

Classification	z: 54; n: 60; m: 114
Half life	10 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1977
Mass excess	-67,090 ±11.17 keV
Binding energy	8,289 ±0.0981 keV
Single-particle energy	3,255 ±13.75 keV
Neutron separation energy	12,950 ±13.1 keV
Q value for electron capture	5,553 ±22.93 keV
β⁻ decay energy	-12,400 ±85.79 keV
β⁻ decay energy with neutron	-23,400 ±14.08 keV

Point at nuclide Decay chain of Xenon-114

115XeXenon-115

Classification	z: 54; n: 61; m: 115
Half life	18 ±4 s
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay; β⁺ decay + proton emission; α decay
Discovery	1969
Mass excess	-68,660 ±12.1 keV
Binding energy	8,300 ±0.1053 keV
Single-particle energy	3,306 ±23.4 keV
Neutron separation energy	9,642 ±16.47 keV
Q value for electron capture	7,681 ±31.31 keV
β⁻ decay energy	-8,957 ±103 keV
β⁻ decay energy with neutron	-22,050 ±85.92 keV

Point at nuclide Decay chain of Xenon-115

116XeXenon-116

Classification	z: 54; n: 62; m: 116
Half life	59 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1969
Mass excess	-73,050 ±13.01 keV
Binding energy	8,336 ±0.1122 keV
Single-particle energy	3,998 ±31.67 keV
Neutron separation energy	12,460 ±17.77 keV
Q value for electron capture	4,373 ±76.15 keV
β⁻ decay energy	-11,010 ±101 keV
β⁻ decay energy with neutron	-21,420 ±103 keV

Point at nuclide Decay chain of Xenon-116

117XeXenon-117

Classification	z: 54; n: 63; m: 117
Half life	61 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	5/2(+)
Decay modes	electron capture + β⁺ decay; β⁺ decay + proton emission
Discovery	1969
Mass excess	-74,190 ±10.37 keV
Binding energy	8,344 ±0.0887 keV
Single-particle energy	4,053 ±75.75 keV
Neutron separation energy	9,209 ±16.64 keV
Q value for electron capture	6,253 ±27.58 keV
β⁻ decay energy	-7,693 ±63.26 keV
β⁻ decay energy with neutron	-20,220 ±101 keV
Magnetic dipole moment	-0.5938 ±0.0015 μN
Electric quadrupole moment	1.14 ±0.04 b

Point at nuclide Decay chain of Xenon-117

118XeXenon-118

Classification	z: 54; n: 64; m: 118
Half life	3.8 ±9 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1965
Mass excess	-78,080 ±10.37 keV
Binding energy	8,374 ±0.088 keV
Single-particle energy	4,929 ±27.58 keV
Neutron separation energy	11,960 ±14.67 keV
Q value for electron capture	2,891 ±22.32 keV
β⁻ decay energy	-9,670 ±16.44 keV
β⁻ decay energy with neutron	-19,660 ±63.26 keV

Point at nuclide Decay chain of Xenon-118

119XeXenon-119

Classification	z: 54; n: 65; m: 119
Half life	5.8 ±3 m
Natural abundance	synthetic nuclide
Spin/parity	(5/2+)
Decay modes	electron capture + β⁺ decay
Discovery	1965
Mass excess	-78,800 ±10.37 keV
Binding energy	8,378 ±0.0872 keV
Single-particle energy	5,112 ±22.31 keV
Neutron separation energy	8,786 ±14.67 keV
Q value for electron capture	4,983 ±24.05 keV
β⁻ decay energy	-6,490 ±17.37 keV
β⁻ decay energy with neutron	-18,460 ±16.44 keV
Magnetic dipole moment	-0.6542 ±0.0015 μN
Electric quadrupole moment	1.29 ±0.05 b

Point at nuclide Decay chain of Xenon-119

120XeXenon-120

Classification	z: 54; n: 66; m: 120
Half life	40 ±1 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture + β⁺ decay
Discovery	1965
Mass excess	-82,180 ±11.81 keV
Binding energy	8,404 ±0.0985 keV
Single-particle energy	5,683 ±24.71 keV
Neutron separation energy	11,440 ±15.72 keV
Q value for electron capture	1,574 ±19.17 keV
β⁻ decay energy	-8,284 ±15.46 keV
β⁻ decay energy with neutron	-17,940 ±18.27 keV

Point at nuclide Decay chain of Xenon-120

121XeXenon-121

Classification	z: 54; n: 67; m: 121
Half life	40.1 ±20 m
Natural abundance	synthetic nuclide
Spin/parity	5/2(+)
Decay modes	electron capture + β⁺ decay
Discovery	1952
Mass excess	-82,490 ±10.24 keV
Binding energy	8,403 ±0.0847 keV
Single-particle energy	6,022 ±18.24 keV
Neutron separation energy	8,379 ±15.63 keV
Q value for electron capture	3,764 ±11.27 keV
β⁻ decay energy	-5,379 ±13.97 keV
β⁻ decay energy with neutron	-16,670 ±14.29 keV
Magnetic dipole moment	-0.701 ±0.003 μN
Electric quadrupole moment	1.31 ±0.05 b

Point at nuclide Decay chain of Xenon-121

122XeXenon-122

Classification	z: 54; n: 68; m: 122
Half life	20.1 ±1 h
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	electron capture (EC)
Discovery	1952
Mass excess	-85,360 ±11.11 keV
Binding energy	8,424 ±0.0911 keV
Single-particle energy	6,398 ±12.07 keV
Neutron separation energy	10,940 ±15.11 keV
Q value for electron capture	724.2 ±12.26 keV
β⁻ decay energy	-7,211 ±35.47 keV
β⁻ decay energy with neutron	-16,330 ±18.1 keV

Point at nuclide Decay chain of Xenon-122

123XeXenon-123

Classification	z: 54; n: 69; m: 123
Half life	2.05 ±14 h
Natural abundance	synthetic nuclide
Spin/parity	1/2(+)
Decay modes	electron capture + β⁺ decay
Discovery	1952
Mass excess	-85,250 ±9.534 keV
Binding energy	8,420 ±0.0775 keV
Single-particle energy	6,457 ±10.78 keV
Neutron separation energy	7,964 ±14.64 keV
Q value for electron capture	2,694 ±10.22 keV
β⁻ decay energy	-4,205 ±15.41 keV
β⁻ decay energy with neutron	-15,180 ±35.01 keV
Magnetic dipole moment	-0.15 ±0.003 μN
Electric quadrupole moment	1.4 ±0.3 b

Point at nuclide Decay chain of Xenon-123

124XeXenon-124

Classification	z: 54; n: 70; m: 124
Half life	1.6·10¹⁴ a
Natural abundance	0.095 ±0.005 %
Spin/parity	0+
Decay modes	double β⁺ decay
Discovery	1922
Mass excess	-87,670 ±1.358 keV
Binding energy	8,437 ±0.011 keV
Single-particle energy	7,013 ±3.448 keV
Neutron separation energy	10,490 ±9.557 keV
Q value for electron capture	-302.9 ±2.67 keV
β⁻ decay energy	-5,927 ±9.251 keV
β⁻ decay energy with neutron	-14,700 ±12.18 keV

Point at nuclide Decay chain of Xenon-124

125XeXenon-125

Classification	z: 54; n: 71; m: 125
Half life	16.9 ±2 h
Natural abundance	synthetic nuclide
Spin/parity	1/2(+)
Decay modes	electron capture + β⁺ decay
Discovery	1950
Mass excess	-87,200 ±1.415 keV
Binding energy	8,430 ±0.0113 keV
Single-particle energy	7,123 ±1.906 keV
Neutron separation energy	7,603 ±0.3999 keV
Q value for electron capture	1,636 ±1.958 keV
β⁻ decay energy	-3,110 ±7.787 keV
β⁻ decay energy with neutron	-13,530 ±9.259 keV
Magnetic dipole moment	-0.269 ±0.003 μN

Point at nuclide Decay chain of Xenon-125

126XeXenon-126

Classification	z: 54; n: 72; m: 126
Half life	stable nuclide
Natural abundance	0.089 ±0.003 %
Spin/parity	0+
Discovery	1922
Mass excess	-89,150 ±0.00562 keV
Binding energy	8,443 ±3·10^-4 keV
Single-particle energy	7,599 ±1.353 keV
Neutron separation energy	10,010 ±1.414 keV
Q value for electron capture	-1,236 ±3.778 keV
β⁻ decay energy	-4,796 ±10.35 keV
β⁻ decay energy with neutron	-13,130 ±7.735 keV
Magnetic dipole moment	0.54 ±0.08 μN

Point at nuclide

127XeXenon-127

Classification	z: 54; n: 73; m: 127
Half life	36.34 ±3 d
Natural abundance	synthetic nuclide
Spin/parity	1/2+
Decay modes	electron capture (EC)
Discovery	1950
Mass excess	-88,330 ±4.088 keV
Binding energy	8,434 ±0.0322 keV
Single-particle energy	7,699 ±3.398 keV
Neutron separation energy	7,245 ±4.088 keV
Q value for electron capture	662.3 ±5.461 keV
β⁻ decay energy	-2,081 ±6.411 keV
β⁻ decay energy with neutron	-12,050 ±11.13 keV
Magnetic dipole moment	-0.5033 ±0.0011 μN

Point at nuclide Decay chain of Xenon-127

128XeXenon-128

Classification	z: 54; n: 74; m: 128
Half life	stable nuclide
Natural abundance	1.91 ±0.013 %
Spin/parity	0+
Discovery	1922
Mass excess	-89,870 ±0.0052 keV
Binding energy	8,443 ±3·10^-4 keV
Single-particle energy	8,166 ±3.62 keV
Neutron separation energy	9,610 ±4.088 keV
Q value for electron capture	-2,123 ±3.621 keV
β⁻ decay energy	-3,929 ±5.376 keV
β⁻ decay energy with neutron	-11,700 ±5.577 keV
Magnetic dipole moment	0.68 ±0.07 μN

Point at nuclide

129XeXenon-129

Classification	z: 54; n: 75; m: 129
Half life	stable nuclide
Natural abundance	26.4 ±0.138 %
Spin/parity	1/2+
Discovery	1920
Mass excess	-88,700 ±0.00505 keV
Binding energy	8,431 ±3·10^-4 keV
Single-particle energy	8,247 ±3.621 keV
Neutron separation energy	6,906 ±0.0015 keV
Q value for electron capture	-188.9 ±3.153 keV
β⁻ decay energy	-1,198 ±4.553 keV
β⁻ decay energy with neutron	-10,840 ±5.376 keV
Magnetic dipole moment	-0.778 ±1.6·10^-5 μN
Electric quadrupole moment	-0.393 ±0.01 b

Point at nuclide

130XeXenon-130

Classification	z: 54; n: 76; m: 130
Half life	stable nuclide
Natural abundance	4.071 ±0.022 %
Spin/parity	0+
Discovery	1922
Mass excess	-89,890 ±0.009 keV
Binding energy	8,437 ±3·10^-4 keV
Single-particle energy	8,662 ±3.153 keV
Neutron separation energy	9,255 ±0.008 keV
Q value for electron capture	-2,945 ±3.154 keV
β⁻ decay energy	-2,981 ±8.356 keV
β⁻ decay energy with neutron	-10,460 ±4.553 keV
Magnetic dipole moment	0.9 ±0.2 μN
Electric quadrupole moment	-0.38 ±0.16 b

Point at nuclide

131XeXenon-131

Classification	z: 54; n: 77; m: 131
Half life	stable nuclide
Natural abundance	21.23 ±0.051 %
Spin/parity	3/2+
Discovery	1920
Mass excess	-88,420 ±0.00512 keV
Binding energy	8,423 ±3·10^-4 keV
Single-particle energy	8,766 ±3.153 keV
Neutron separation energy	6,604 ±0.008 keV
Q value for electron capture	-970.9 ±0.605 keV
β⁻ decay energy	-358.1 ±0.1771 keV
β⁻ decay energy with neutron	-9,586 ±8.356 keV
Magnetic dipole moment	0.6918 ±7·10^-6 μN
Electric quadrupole moment	-0.114 ±0.001 b

Point at nuclide

132XeXenon-132

Classification	z: 54; n: 78; m: 132
Half life	stable nuclide
Natural abundance	26.9 ±0.055 %
Spin/parity	0+
Discovery	1920
Mass excess	-89,280 ±0.00507 keV
Binding energy	8,427 ±3·10^-4 keV
Single-particle energy	9,125 ±0.6046 keV
Neutron separation energy	8,936 ±0.0016 keV
Q value for electron capture	-3,576 ±4.065 keV
β⁻ decay energy	-2,127 ±1.035 keV
β⁻ decay energy with neutron	-9,295 ±0.1771 keV
Magnetic dipole moment	0.2 ±0.4 μN

Point at nuclide

133XeXenon-133

Classification	z: 54; n: 79; m: 133
Half life	5.247 ±5 d
Natural abundance	synthetic nuclide
Spin/parity	3/2+
Decay modes	β⁻ decay
Discovery	1940
Mass excess	-87,650 ±2.4 keV
Binding energy	8,412 ±0.018 keV
Single-particle energy	9,229 ±4.721 keV
Neutron separation energy	6,435 ±2.4 keV
Q value for electron capture	-1,787 ±6.371 keV
β⁻ decay energy	427.3 ±2.4 keV
β⁻ decay energy with neutron	-8,563 ±2.614 keV
Magnetic dipole moment	0.8133 ±7·10^-5 μN
Electric quadrupole moment	0.14 ±0.005 b

Point at nuclide Decay chain of Xenon-133

134XeXenon-134

Classification	z: 54; n: 80; m: 134
Half life	5.8·10²² a
Natural abundance	10.43 ±0.035 %
Spin/parity	0+
Decay modes	double β⁻ decay
Discovery	1920
Mass excess	-88,130 ±0.00577 keV
Binding energy	8,413 ±3·10^-4 keV
Single-particle energy	9,557 ±5.901 keV
Neutron separation energy	8,553 ±2.4 keV
Q value for electron capture	-4,083 ±4.857 keV
β⁻ decay energy	-1,235 ±0.016 keV
β⁻ decay energy with neutron	-8,127 ±0.0071 keV

Point at nuclide Decay chain of Xenon-134

135XeXenon-135

Classification	z: 54; n: 81; m: 135
Half life	9.14 ±2 h
Natural abundance	synthetic nuclide
Spin/parity	3/2+
Decay modes	β⁻ decay
Discovery	1940
Mass excess	-86,420 ±3.668 keV
Binding energy	8,398 ±0.0272 keV
Single-particle energy	9,658 ±6.086 keV
Neutron separation energy	6,358 ±3.668 keV
Q value for electron capture	-2,635 ±4.207 keV
β⁻ decay energy	1,168 ±3.662 keV
β⁻ decay energy with neutron	-7,594 ±3.668 keV
Magnetic dipole moment	0.9032 ±7·10^-4 μN
Electric quadrupole moment	0.21 ±0.007 b

Point at nuclide Decay chain of Xenon-135

136XeXenon-136

Classification	z: 54; n: 82; m: 136
Half life	2.165·10²¹ ±61 a
Natural abundance	8.857 ±0.072 %
Spin/parity	0+
Decay modes	double β⁻ decay
Discovery	1920
Mass excess	-86,430 ±0.007 keV
Binding energy	8,396 ±3·10^-4 keV
Single-particle energy	9,938 ±2.059 keV
Neutron separation energy	8,087 ±3.668 keV
Q value for electron capture	-6,884 ±14.18 keV
β⁻ decay energy	-90.32 ±1.873 keV
β⁻ decay energy with neutron	-6,919 ±0.3635 keV
Magnetic dipole moment	3.2 ±0.6 μN

Point at nuclide Decay chain of Xenon-136

137XeXenon-137

Classification	z: 54; n: 83; m: 137
Half life	3.818 ±13 m
Natural abundance	synthetic nuclide
Spin/parity	7/2-
Decay modes	β⁻ decay
Discovery	1943
Mass excess	-82,390 ±0.104 keV
Binding energy	8,364 ±8·10^-4 keV
Single-particle energy	10,120 ±14.18 keV
Neutron separation energy	4,025 ±0.1033 keV
Q value for electron capture	-6,028 ±8.384 keV
β⁻ decay energy	4,162 ±0.3193 keV
β⁻ decay energy with neutron	-4,116 ±1.875 keV
Magnetic dipole moment	-0.9704 ±0.001 μN
Electric quadrupole moment	-0.47 ±0.02 b

Point at nuclide Decay chain of Xenon-137

138XeXenon-138

Classification	z: 54; n: 84; m: 138
Half life	14.14 ±7 m
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1943
Mass excess	-79,980 ±2.804 keV
Binding energy	8,344 ±0.0203 keV
Single-particle energy	10,900 ±8.839 keV
Neutron separation energy	5,660 ±2.805 keV
Q value for electron capture	-7,993 ±6.588 keV
β⁻ decay energy	2,914 ±9.578 keV
β⁻ decay energy with neutron	-1,498 ±2.82 keV

Point at nuclide Decay chain of Xenon-138

139XeXenon-139

Classification	z: 54; n: 85; m: 139
Half life	39.68 ±14 s
Natural abundance	synthetic nuclide
Spin/parity	3/2-
Decay modes	β⁻ decay
Discovery	1951
Mass excess	-75,650 ±2.142 keV
Binding energy	8,311 ±0.0154 keV
Single-particle energy	10,950 ±6.334 keV
Neutron separation energy	3,743 ±3.528 keV
Q value for electron capture	-7,174 ±4.542 keV
β⁻ decay energy	5,056 ±3.796 keV
β⁻ decay energy with neutron	-828.9 ±9.405 keV
Magnetic dipole moment	-0.304 ±0.0016 μN
Electric quadrupole moment	0.39 ±0.02 b

Point at nuclide Decay chain of Xenon-139

140XeXenon-140

Classification	z: 54; n: 86; m: 140
Half life	13.6 ±10 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	1951
Mass excess	-72,990 ±2.329 keV
Binding energy	8,290 ±0.0166 keV
Single-particle energy	11,800 ±4.633 keV
Neutron separation energy	5,413 ±3.164 keV
Q value for electron capture	-9,381 ±12.33 keV
β⁻ decay energy	4,063 ±8.523 keV
β⁻ decay energy with neutron	-356.7 ±3.904 keV
Magnetic dipole moment	1.1 ±0.4 μN

Point at nuclide Decay chain of Xenon-140

141XeXenon-141

Classification	z: 54; n: 87; m: 141
Half life	1.73 ±1 s
Natural abundance	synthetic nuclide
Spin/parity	5/2(-)
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1951
Mass excess	-68,200 ±2.888 keV
Binding energy	8,255 ±0.0205 keV
Single-particle energy	11,880 ±12.44 keV
Neutron separation energy	3,282 ±3.709 keV
Q value for electron capture	-8,271 ±16.09 keV
β⁻ decay energy	6,280 ±9.637 keV
β⁻ decay energy with neutron	781.1 ±8.692 keV
Magnetic dipole moment	0.01 ±0.003 μN
Electric quadrupole moment	-0.57 ±0.02 b

Point at nuclide Decay chain of Xenon-141

142XeXenon-142

Classification	z: 54; n: 88; m: 142
Half life	1.23 ±2 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1960
Mass excess	-65,230 ±2.701 keV
Binding energy	8,233 ±0.019 keV
Single-particle energy	12,590 ±16.06 keV
Neutron separation energy	5,103 ±3.954 keV
Q value for electron capture	-10,430 ±5.628 keV
β⁻ decay energy	5,284 ±7.565 keV
β⁻ decay energy with neutron	1,176 ±9.583 keV

Point at nuclide Decay chain of Xenon-142

143XeXenon-143

Classification	z: 54; n: 89; m: 143
Half life	0.511 ±6 s
Natural abundance	synthetic nuclide
Spin/parity	5/2-
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1951
Mass excess	-60,210 ±4.657 keV
Binding energy	8,196 ±0.0326 keV
Single-particle energy	12,680 ±6.787 keV
Neutron separation energy	3,044 ±5.384 keV
Q value for electron capture	-9,413 ±200 keV
β⁻ decay energy	7,472 ±8.89 keV
β⁻ decay energy with neutron	2,240 ±8.463 keV
Magnetic dipole moment	-0.46 ±0.002 μN
Electric quadrupole moment	0.91 ±0.03 b

Point at nuclide Decay chain of Xenon-143

144XeXenon-144

Classification	z: 54; n: 90; m: 144
Half life	1.15 ±20 s
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay
Discovery	2003
Mass excess	-56,880 ±5.31 keV
Binding energy	8,172 ±0.0369 keV
Single-particle energy	13,370 ±200 keV
Neutron separation energy	4,740 ±7.062 keV
Q value for electron capture	-11,550 ±400 keV
β⁻ decay energy	6,399 ±20.82 keV
β⁻ decay energy with neutron	2,731 ±9.249 keV

Point at nuclide Decay chain of Xenon-144

145XeXenon-145

Classification	z: 54; n: 91; m: 145
Half life	188 ±4 ms
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	2003
Mass excess	-51,500 ±11.17 keV
Binding energy	8,135 ±0.0771 keV
Single-particle energy	13,450 ±400 keV
Neutron separation energy	2,692 ±12.37 keV
Q value for electron capture	-10,370 ±500.1 keV
β⁻ decay energy	8,561 ±14.39 keV
β⁻ decay energy with neutron	3,706 ±23.02 keV

Point at nuclide Decay chain of Xenon-145

146XeXenon-146

Classification	z: 54; n: 92; m: 146
Half life	146 ±6 ms
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1989
Mass excess	-47,960 ±24.21 keV
Binding energy	8,110 ±0.1659 keV
Single-particle energy	14,110 ±501 keV
Neutron separation energy	4,532 ±26.67 keV
Q value for electron capture	-12,420 ±300.9 keV
β⁻ decay energy	7,355 ±24.39 keV
β⁻ decay energy with neutron	4,028 ±25.86 keV

Point at nuclide Decay chain of Xenon-146

147XeXenon-147

Classification	z: 54; n: 93; m: 147
Half life	88 ±14 ms
Natural abundance	synthetic nuclide
Decay modes	β⁻ decay; β⁻ decay with neutron emission
Discovery	1994
Mass excess	-42,400 ±200 keV
Binding energy	8,072 ±1 keV
Single-particle energy	14,140 ±361 keV
Neutron separation energy	2,516 ±202 keV
Q value for electron capture	-11,200 ±360.5 keV
β⁻ decay energy	9,520 ±200 keV
β⁻ decay energy with neutron	4,839 ±200 keV

Point at nuclide Decay chain of Xenon-147

148XeXenon-148

Classification	z: 54; n: 94; m: 148
Half life	0.4 us
Natural abundance	synthetic nuclide
Spin/parity	0+
Decay modes	β⁻ decay with neutron emission; β⁻ decay
Discovery	2010
Mass excess	-38,650 ±300 keV
Binding energy	8,047 ±2 keV
Single-particle energy	14,730 ±424 keV
Neutron separation energy	4,321 ±361 keV
β⁻ decay energy	8,261 ±300 keV
β⁻ decay energy with neutron	5,199 ±300 keV

Point at nuclide Decay chain of Xenon-148

149XeXenon-149

Classification	z: 54; n: 95; m: 149
Half life	stable nuclide
Natural abundance	synthetic nuclide
Discovery	2018
Mass excess	-33,000 ±300 keV
Binding energy	8,009 ±2 keV
Neutron separation energy	2,422 ±424 keV
β⁻ decay energy	10,300 ±500 keV
β⁻ decay energy with neutron	5,840 ±300 keV

Point at nuclide

150XeXenon-150

Classification	z: 54; n: 96; m: 150
Half life	stable nuclide
Natural abundance	synthetic nuclide
Spin/parity	0+
Discovery	2018
Mass excess	-28,990 ±300 keV
Binding energy	7,983 ±2 keV
Neutron separation energy	4,061 ±424 keV
β⁻ decay energy	9,180 ±500 keV
β⁻ decay energy with neutron	6,238 ±500 keV

Point at nuclide

Isotopes of Xenon

108XeXenon-108ads_clickcall_splitdownload

109XeXenon-109ads_clickcall_splitdownload

110XeXenon-110ads_clickcall_splitdownload

111XeXenon-111ads_clickcall_splitdownload

112XeXenon-112ads_clickcall_splitdownload

113XeXenon-113ads_clickcall_splitdownload

114XeXenon-114ads_clickcall_splitdownload

115XeXenon-115ads_clickcall_splitdownload

116XeXenon-116ads_clickcall_splitdownload

117XeXenon-117ads_clickcall_splitdownload

118XeXenon-118ads_clickcall_splitdownload

119XeXenon-119ads_clickcall_splitdownload

120XeXenon-120ads_clickcall_splitdownload

121XeXenon-121ads_clickcall_splitdownload

122XeXenon-122ads_clickcall_splitdownload

123XeXenon-123ads_clickcall_splitdownload

124XeXenon-124ads_clickcall_splitdownload

125XeXenon-125ads_clickcall_splitdownload

126XeXenon-126ads_clickdownload

127XeXenon-127ads_clickcall_splitdownload

128XeXenon-128ads_clickdownload

129XeXenon-129ads_clickdownload

130XeXenon-130ads_clickdownload

131XeXenon-131ads_clickdownload

132XeXenon-132ads_clickdownload

133XeXenon-133ads_clickcall_splitdownload

134XeXenon-134ads_clickcall_splitdownload

135XeXenon-135ads_clickcall_splitdownload

136XeXenon-136ads_clickcall_splitdownload

137XeXenon-137ads_clickcall_splitdownload

138XeXenon-138ads_clickcall_splitdownload

139XeXenon-139ads_clickcall_splitdownload

140XeXenon-140ads_clickcall_splitdownload

141XeXenon-141ads_clickcall_splitdownload

142XeXenon-142ads_clickcall_splitdownload

143XeXenon-143ads_clickcall_splitdownload

144XeXenon-144ads_clickcall_splitdownload

145XeXenon-145ads_clickcall_splitdownload

146XeXenon-146ads_clickcall_splitdownload

147XeXenon-147ads_clickcall_splitdownload

148XeXenon-148ads_clickcall_splitdownload

149XeXenon-149ads_clickdownload

150XeXenon-150ads_clickdownload

108XeXenon-108

109XeXenon-109

110XeXenon-110

111XeXenon-111

112XeXenon-112

113XeXenon-113

114XeXenon-114

115XeXenon-115

116XeXenon-116

117XeXenon-117

118XeXenon-118

119XeXenon-119

120XeXenon-120

121XeXenon-121

122XeXenon-122

123XeXenon-123

124XeXenon-124

125XeXenon-125

126XeXenon-126

127XeXenon-127

128XeXenon-128

129XeXenon-129

130XeXenon-130

131XeXenon-131

132XeXenon-132

133XeXenon-133

134XeXenon-134

135XeXenon-135

136XeXenon-136

137XeXenon-137

138XeXenon-138

139XeXenon-139

140XeXenon-140

141XeXenon-141

142XeXenon-142

143XeXenon-143

144XeXenon-144

145XeXenon-145

146XeXenon-146

147XeXenon-147

148XeXenon-148

149XeXenon-149

150XeXenon-150