Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

¹¹⁰Xe

109.94428 (14)

310

ms

-51,900 (130)

8,159 (1.2)

A

64 35

¹¹¹Xe

110.94160 (33)

740

ms

-54,400 (300)

8,181 (3)

B+ ?

¹¹²Xe

111.93562 (11)

2.7

s

-59,970 (100)

8,229.5 (9.3)

B+~100

¹¹³Xe

112.933341 (87)

2.74

s

-62,092 (81)

8,246.9 (7.1)

B+~100

¹¹⁴Xe

113.927980 (12)

10

s

-67,086 (11)

8,289.21 (9.8)

B+

100

¹¹⁵Xe

114.926294 (13)

18

s

-68,657 (12)

8,301.0 (1)

B+

100

¹¹⁶Xe

115.921581 (14)

59

s

-73,047 (13)

8,336.8 (1.1)

B+

100

¹¹⁷Xe

116.920359 (11)

61

s

-74,185 (10)

8,344.30 (8.9)

B+

100

¹¹⁸Xe

117.916179 (11)

3.8

m

-78,079 (10)

8,374.98 (8.8)

B+

100

¹¹⁹Xe

118.915411 (11)

5.8

m

-78,794 (10)

8,378.44 (8.7)

e+

79 5

¹²⁰Xe

119.911784 (13)

40

m

-82,172 (12)

8,404.03 (9.8)

B+

100

¹²¹Xe

120.911462 (12)

40.1

m

-82,473 (11)

8,403.76 (9.2)

B+

100

¹²²Xe

121.908368 (12)

20.1

h

-85,355 (11)

8,424.66 (9.1)

EC

100

¹²³Xe

122.908482 (10)

2.08

h

-85,248.6 (9.5)

8,420.93 (7.8)

B+

100

¹²⁴Xe

123.9058930 (20)

0.09 (1)

stable

-87,660.1 (1.8)

8,437.55 (1.5)

¹²⁵Xe

124.9063955 (20)

16.9

h

-87,192.1 (1.9)

8,430.88 (1.5)

B+

100

¹²⁶Xe

125.9042736 (67)

0.09 (1)

stable

-89,168.5 (6.2)

8,443.71 (5)

¹²⁷Xe

126.9051837 (43)

36.345

d

-88,320.8 (4)

8,434.11 (3.2)

EC

100

¹²⁸Xe

127.9035313 (15)

1.92 (3)

stable

-89,860.0 (1.4)

8,443.30 (1.1)

¹²⁹Xe

128.90477944 (79)

26.44 (24)

stable

-88,697.39 (74)

8,431.400 (6)

¹³⁰Xe

129.90350801 (80)

4.08 (2)

stable

-89,881.71 (75)

8,437.740 (6)

¹³¹Xe

130.9050824 (10)

21.18 (3)

stable

-88,415.21 (96)

8,423.748 (7)

¹³²Xe

131.9041535 (10)

26.89 (6)

stable

-89,280.48 (97)

8,427.633 (7)

¹³³Xe

132.9059107 (26)

5.2475

d

-87,643.6 (2.4)

8,412.65 (1.8)

B-

100

¹³⁴Xe

133.90539446 (90)

10.44 (10)

stable

-88,124.49 (84)

8,413.689 (6)

¹³⁵Xe

134.9072275 (49)

9.14

h

-86,417.0 (4.5)

8,398.51 (3.4)

B-

100

¹³⁶Xe

135.9072188 (76)

8.87 (16)

stable

-86,425.1 (7)

8,396.16 (5.2)

¹³⁷Xe

136.9115621 (76)

3.818

m

-82,379.4 (7)

8,364.26 (5.1)

B-

100

¹³⁸Xe

137.913954 (47)

14.08

m

-80,151 (43)

8,346.0 (3.1)

B-

100

¹³⁹Xe

138.918793 (22)

39.68

s

-75,644 (21)

8,311.6 (1.5)

B-

100

¹⁴⁰Xe

139.921641 (65)

13.6

s

-72,991 (61)

8,290.9 (4.3)

B-

100

¹⁴¹Xe

140.926648 (97)

1.73

s

-68,327 (91)

8,256.3 (6.4)

B-

100

¹⁴²Xe

141.92971 (11)

1.22

s

-65,480 (100)

8,234.9 (7.1)

B-

100

¹⁴³Xe

142.93511 (21)

511

ms

-60,450 (200)

8,199 (1)

B-

100

¹⁴⁴Xe

143.93851 (32)

388

ms

-57,280 (300)

8,176 (2)

B-

100

¹⁴⁵Xe

144.94407 (32)

188

ms

-52,100 (300)

8,139 (2)

B-

100

¹⁴⁶Xe

145.94775 (43)

146

ms

-48,670 (400)

8,115 (3)

B-

100

¹⁴⁷Xe

146.95356 (43)

130

ms

-43,260 (400)

8,078 (3)

B-

100

^111mXe

110.94160 (33)

900

ms

-54,400 (300)

8,181 (3)

0

^123mXe

122.908482 (10)

5.49

us

-85,248.6 (9.5)

8,420.93 (7.8)

0

^125mXe

124.9063955 (20)

56.9

s

-87,192.1 (1.9)

8,430.88 (1.5)

IT

100

^127mXe

126.9051837 (43)

69.2

s

-88,320.8 (4)

8,434.11 (3.2)

IT

100

^128mXe

127.9035313 (15)

83

ns

-89,860.0 (1.4)

8,443.30 (1.1)

IT

100

^129mXe

128.90477944 (79)

8.88

d

-88,697.39 (74)

8,431.400 (6)

IT

100

^131mXe

130.9050824 (10)

11.84

d

-88,415.21 (96)

8,423.748 (7)

IT

100

^132mXe

131.9041535 (10)

8.39

ms

-89,280.48 (97)

8,427.633 (7)

IT

100

^133mXe

132.9059107 (26)

2.19

d

-87,643.6 (2.4)

8,412.65 (1.8)

IT

100

^134mXe

133.90539446 (90)

290

ms

-88,124.49 (84)

8,413.689 (6)

IT

100

^135mXe

134.9072275 (49)

15.29

m

-86,417.0 (4.5)

8,398.51 (3.4)

IT~100

^136mXe

135.9072188 (76)

2.95

us

-86,425.1 (7)

8,396.16 (5.2)

IT

100