Isotopes of Barium (Ba)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
114Ba 114 113.95068(15)
115Ba 115 114.94737(64)#
116Ba 116 115.94138(43)#
117Ba 117 116.93850(32)#
118Ba 118 117.93304(21)#
119Ba 119 118.93066(21)
120Ba 120 119.92604(32)
121Ba 121 120.92405(15)
122Ba 122 121.919900(30)
123Ba 123 122.918781(13)
124Ba 124 123.915094(13)
125Ba 125 124.914473(12)
126Ba 126 125.911250(13)
127Ba 127 126.911094(12)
128Ba 128 127.908318(11)
129Ba 129 128.908679(12)
130Ba 130 129.9063208(30) 0.00106(1)
131Ba 131 130.906941(3)
132Ba 132 131.9050613(11) 0.00101(1)
133Ba 133 132.9060075(11)
134Ba 134 133.9045084(4) 0.02417(18)
135Ba 135 134.9056886(4) 0.06592(12)
136Ba 136 135.9045759(4) 0.07854(24)
137Ba 137 136.9058274(5) 0.11232(24)
138Ba 138 137.9052472(5) 0.71698(42)
139Ba 139 138.9088413(5)
140Ba 140 139.910605(9)
141Ba 141 140.914411(9)
142Ba 142 141.916453(7)
143Ba 143 142.920627(14)
144Ba 144 143.922953(14)
145Ba 145 144.927630(80)
146Ba 146 145.930220(80)
147Ba 147 146.93495(22)#
148Ba 148 147.937720(90)
149Ba 149 148.94258(21)#
150Ba 150 149.94568(43)#
151Ba 151 150.95081(43)#
152Ba 152 151.95427(54)#
153Ba 153 152.95961(86)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Ba: 137.327(7)

Isotopic Composition