Isotopes of Xenon (Xe)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
110Xe 110 109.94428(14)
111Xe 111 110.94160(33)#
112Xe 112 111.93562(11)
113Xe 113 112.933340(90)
114Xe 114 113.927980(12)
115Xe 115 114.926294(13)
116Xe 116 115.921581(14)
117Xe 117 116.920359(11)
118Xe 118 117.916179(11)
119Xe 119 118.915411(11)
120Xe 120 119.911784(13)
121Xe 121 120.911462(12)
122Xe 122 121.908368(12)
123Xe 123 122.908482(10)
124Xe 124 123.9058930(20) 0.000952(3)
125Xe 125 124.9063955(20)
126Xe 126 125.904274(7) 0.000890(2)
127Xe 127 126.905184(4)
128Xe 128 127.9035313(15) 0.019102(8)
129Xe 129 128.9047794(8) 0.264006(82)
130Xe 130 129.9035080(8) 0.040710(13)
131Xe 131 130.9050824(10) 0.212324(30)
132Xe 132 131.9041535(10) 0.269086(33)
133Xe 133 132.9059107(26)
134Xe 134 133.9053945(9) 0.104357(21)
135Xe 135 134.907227(5)
136Xe 136 135.907219(8) 0.088573(44)
137Xe 137 136.911562(8)
138Xe 138 137.913950(50)
139Xe 139 138.918793(22)
140Xe 140 139.921640(70)
141Xe 141 140.92665(10)
142Xe 142 141.92971(11)
143Xe 143 142.93511(21)#
144Xe 144 143.93851(32)#
145Xe 145 144.94407(32)#
146Xe 146 145.94775(43)#
147Xe 147 146.95356(43)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Xe: 131.293(6)
Notes (Xe)

Isotopic Composition