Isotopes of Thallium (Tl)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
176Tl 176 176.00059(21)#
177Tl 177 176.996427(27)
178Tl 178 177.99490(12)#
179Tl 179 178.991090(50)
180Tl 180 179.98991(13)#
181Tl 181 180.986257(10)
182Tl 182 181.985670(80)
183Tl 183 182.982193(10)
184Tl 184 183.981870(50)
185Tl 185 184.978790(60)
186Tl 186 185.97833(20)
187Tl 187 186.975906(9)
188Tl 188 187.976010(40)
189Tl 189 188.973588(12)
190Tl 190 189.973880(50)
191Tl 191 190.971786(8)
192Tl 192 191.972230(30)
193Tl 193 192.97067(12)
194Tl 194 193.97120(15)
195Tl 195 194.969774(15)
196Tl 196 195.970481(13)
197Tl 197 196.969575(18)
198Tl 198 197.970480(90)
199Tl 199 198.969880(30)
200Tl 200 199.970963(6)
201Tl 201 200.970819(16)
202Tl 202 201.972106(16)
203Tl 203 202.9723442(14) 0.2952(1)
204Tl 204 203.9738635(13)
205Tl 205 204.9744275(14) 0.7048(1)
206Tl 206 205.9761103(15)
207Tl 207 206.977419(6)
208Tl 208 207.9820187(21)
209Tl 209 208.985359(8)
210Tl 210 209.990074(12)
211Tl 211 210.99348(22)#
212Tl 212 211.99823(32)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Tl: [204.382,204.385]

Isotopic Composition