Isotopes of Osmium (Os)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
162Os 162 161.98443(54)#
163Os 163 162.98269(43)#
164Os 164 163.97804(22)
165Os 165 164.97676(22)#
166Os 166 165.972691(20)
167Os 167 166.971550(80)
168Os 168 167.967804(13)
169Os 169 168.967019(27)
170Os 170 169.963577(12)
171Os 171 170.963185(20)
172Os 172 171.960023(16)
173Os 173 172.959808(16)
174Os 174 173.957062(12)
175Os 175 174.956946(15)
176Os 176 175.954810(30)
177Os 177 176.954965(17)
178Os 178 177.953251(18)
179Os 179 178.953816(19)
180Os 180 179.952379(22)
181Os 181 180.953240(30)
182Os 182 181.952110(23)
183Os 183 182.953130(50)
184Os 184 183.9524891(14) 0.0002(1)
185Os 185 184.9540423(14)
186Os 186 185.9538382(15) 0.0159(3)
187Os 187 186.9557505(15) 0.0196(2)
188Os 188 187.9558382(15) 0.1324(8)
189Os 189 188.9581475(16) 0.1615(5)
190Os 190 189.9584470(16) 0.2626(2)
191Os 191 190.9609297(16)
192Os 192 191.9614807(27) 0.4078(19)
193Os 193 192.9641516(27)
194Os 194 193.9651821(28)
195Os 195 194.96813(54)
196Os 196 195.969640(40)

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Os: 190.23(3)
Notes (Os)
m:

Isotopic Composition