Isotopes of Holmium (Ho)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
140Ho 140 139.96854(54)#
141Ho 141 140.96310(54)#
142Ho 142 141.95977(54)#
143Ho 143 142.95461(43)#
144Ho 144 143.95148(32)#
145Ho 145 144.94720(32)#
146Ho 146 145.94464(21)#
147Ho 147 146.940060(30)
148Ho 148 147.93772(14)
149Ho 149 148.933775(20)
150Ho 150 149.933496(15)
151Ho 151 150.931688(13)
152Ho 152 151.931714(15)
153Ho 153 152.930199(6)
154Ho 154 153.930602(9)
155Ho 155 154.929103(19)
156Ho 156 155.929840(50)
157Ho 157 156.928256(26)
158Ho 158 157.928941(29)
159Ho 159 158.927712(4)
160Ho 160 159.928729(16)
161Ho 161 160.927855(3)
162Ho 162 161.929096(4)
163Ho 163 162.9287339(27)
164Ho 164 163.9302335(30)
165Ho 165 164.9303221(27) 1.0000
166Ho 166 165.9322842(27)
167Ho 167 166.933133(6)
168Ho 168 167.935520(30)
169Ho 169 168.936872(22)
170Ho 170 169.939620(50)
171Ho 171 170.94147(64)
172Ho 172 171.94482(43)#
173Ho 173 172.94729(43)#
174Ho 174 173.95115(54)#
175Ho 175 174.95405(64)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Ho: 164.93033(2)

Isotopic Composition