Isotopes of Promethium (Pm)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
126Pm 126 125.95752(54)#
127Pm 127 126.95163(64)#
128Pm 128 127.94842(43)#
129Pm 129 128.94316(43)#
130Pm 130 129.94045(32)#
131Pm 131 130.93587(21)#
132Pm 132 131.93375(21)#
133Pm 133 132.929780(50)
134Pm 134 133.928350(60)
135Pm 135 134.924880(60)
136Pm 136 135.923570(80)
137Pm 137 136.920479(14)
138Pm 138 137.919548(30)
139Pm 139 138.916804(14)
140Pm 140 139.916040(40)
141Pm 141 140.913555(15)
142Pm 142 141.912874(27)
143Pm 143 142.910933(4)
144Pm 144 143.912591(3)
145Pm 145 144.912749(3)
146Pm 146 145.914696(5)
147Pm 147 146.9151385(26)
148Pm 148 147.917475(7)
149Pm 149 148.918334(4)
150Pm 150 149.920984(22)
151Pm 151 150.921207(6)
152Pm 152 151.923497(28)
153Pm 153 152.924117(12)
154Pm 154 153.926460(50)
155Pm 155 154.928100(30)
156Pm 156 155.931060(40)
157Pm 157 156.93304(12)
158Pm 158 157.93656(14)
159Pm 159 158.93897(21)#
160Pm 160 159.94299(32)#
161Pm 161 160.94586(54)#
162Pm 162 161.95029(75)#
163Pm 163 162.95368(86)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Pm: [145]