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This is part of the nuclide map
Legend
Legend
| colour
 | 
Half-life
 | 
 
| 
Nucl.
 | 
<10 -10 seconds
 | 
 
| Nucl.
 | 
<1 minute
 | 
 
| Nucl.
 | 
1 minute to 1 hour
 | 
 
| Nucl.
 | 
1 hour to 1 day
 | 
 
| Nucl.
 | 
1 day to 60 days
 | 
 
| Nucl.
 | 
60 days to 10 years
 | 
 
 
 | 
| colour
 | 
Half-life
 | 
 
| Nucl.
 | 
10 years to 1,000 years
 | 
 
| Nucl.
 | 
1,000 years to 100,000 years
 | 
 
| Nucl.
 | 
100,000 years to 10 million years
 | 
 
| Nucl.
 | 
10 million to 50 million years
 | 
 
| Nucl.
 | 
primordial nuclide (> 50 million years)
 | 
 
| Nucl.
 | 
stable
 | 
 
 
 | 
table
Ordinal numbers 81 to 100
| 
p →
 | 
081
 | 
082
 | 
083
 | 
084
 | 
085
 | 
086
 | 
087
 | 
088
 | 
089
 | 
090
 | 
091
 | 
092
 | 
093
 | 
094
 | 
095
 | 
096
 | 
097
 | 
098
 | 
099
 | 
100
 | 
| 
 | 
Tl
 | 
Pb
 | 
Bi
 | 
Po
 | 
At
 | 
Marg
 | 
Fr.
 | 
Ra
 | 
Ac
 | 
Th
 | 
Pa
 | 
U
 | 
Np
 | 
Pooh
 | 
At the
 | 
Cm
 | 
Bk
 | 
Cf
 | 
It
 | 
Fm
 | 
|  n  ↓
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 103
 | 
184 Tl
 | 
185 Pb
 | 
| 104
 | 
185 Tl
 | 
186 Pb
 | 
| 105
 | 
186 Tl
 | 
187 Pb
 | 
| 106
 | 
187 Tl
 | 
188 Pb
 | 
189 bi
 | 
| 107
 | 
188 Tl
 | 
189 Pb
 | 
190 bi
 | 
| 108
 | 
189 Tl
 | 
190 Pb
 | 
191 bi
 | 
| 109
 | 
190 Tl
 | 
191 Pb
 | 
192 bi
 | 
193 Po
 | 
194 at
 | 
| 110
 | 
191 Tl
 | 
192 Pb
 | 
193 bi
 | 
194 Po
 | 
195 at
 | 
| 111
 | 
192 Tl
 | 
193 Pb
 | 
194 bi
 | 
195 Po
 | 
196 at
 | 
| 112
 | 
193 Tl
 | 
194 Pb
 | 
195 bi
 | 
196 Po
 | 
197 at
 | 
| 113
 | 
194 Tl
 | 
195 Pb
 | 
196 bi
 | 
197 Po
 | 
198 at
 | 
| 114
 | 
195 parts
 | 
196 Pb
 | 
197 bi
 | 
198 Po
 | 
199 at
 | 
200 Rn
 | 
| 115
 | 
196 Tl
 | 
197 Pb
 | 
198 bi
 | 
199 Po
 | 
200 at
 | 
201 para
 | 
| 116
 | 
197 Tl
 | 
198 Pb
 | 
199 bi
 | 
200 po
 | 
201 at
 | 
202 para
 | 
203 Fr
 | 
| 117
 | 
198 Tl
 | 
199 Pb
 | 
200 bi
 | 
201 Po
 | 
202 at
 | 
203 para
 | 
204 Fr
 | 
| 118
 | 
199 Tl
 | 
200 Pb
 | 
201 bi
 | 
202 Po
 | 
203 at
 | 
204 para
 | 
205 Fr
 | 
206 Ra
 | 
| 119
 | 
200 Tl
 | 
201 Pb
 | 
202 bi
 | 
203 Po
 | 
204 at
 | 
205 para
 | 
206 Fr
 | 
207 Ra
 | 
| 120
 | 
201 Tl
 | 
202 Pb
 | 
203 bi
 | 
204 Po
 | 
205 at
 | 
206 para
 | 
207 Fr
 | 
208 ra
 | 
209 Ac
 | 
| 121
 | 
202 Tl
 | 
203 Pb
 | 
204 bi
 | 
205 Po
 | 
206 at
 | 
207 para
 | 
208 Fr
 | 
209 Ra
 | 
210 Ac
 | 
| 122
 | 
203 Tl
 | 
204 Pb
 | 
205 bi
 | 
206 Po
 | 
207 at
 | 
208 para
 | 
209 Fr
 | 
210 ra
 | 
211 Ac
 | 
| 123
 | 
204 Tl
 | 
205 Pb
 | 
206 bi
 | 
207 Po
 | 
208 at
 | 
209 para
 | 
210 Fr
 | 
211 ra
 | 
212 Ac
 | 
213 Th
 | 
| 124
 | 
205 Tl
 | 
206 Pb
 | 
207 bi
 | 
208 Po
 | 
209 at
 | 
210 para
 | 
211 Fr
 | 
212 ra
 | 
213 Ac
 | 
214 th
 | 
| 125
 | 
206 Tl
 | 
207 Pb
 | 
208 Bi
 | 
209 Po
 | 
210 at
 | 
211 para
 | 
212 Fr
 | 
213 ra
 | 
214 Ac
 | 
215 th
 | 
216 Pa
 | 
| 126
 | 
207 Tl
 | 
208 Pb
 | 
209 bi
 | 
210 Po
 | 
211 at
 | 
212 para
 | 
213 Fr
 | 
214 ra
 | 
215 Ac
 | 
216 Th
 | 
217 Pa
 | 
| 127
 | 
208 Tl
 | 
209 Pb
 | 
210 bi
 | 
211 Po
 | 
212 at
 | 
213 para
 | 
214 Fr
 | 
215 ra
 | 
216 Ac
 | 
217 Th
 | 
218 Pa
 | 
| 128
 | 
209 Tl
 | 
210 Pb
 | 
211 bi
 | 
212 Po
 | 
213 at
 | 
214 para
 | 
215 Fr
 | 
216 ra
 | 
217 Ac
 | 
218 Th
 | 
219 Pa
 | 
| 129
 | 
210 Tl
 | 
211 Pb
 | 
212 bi
 | 
213 Po
 | 
214 at
 | 
215 para
 | 
216 Fr
 | 
217 ra
 | 
218 Ac
 | 
219 Th
 | 
220 Pa
 | 
| 130
 | 
211 Tl
 | 
212 Pb
 | 
213 bi
 | 
214 Po
 | 
215 at
 | 
216 para
 | 
217 Fr
 | 
218 ra
 | 
219 Ac
 | 
220 th
 | 
221 Pa
 | 
| 131
 | 
212 Tl
 | 
213 Pb
 | 
214 Bi
 | 
215 Po
 | 
216 at
 | 
217 para
 | 
218 Fr
 | 
219 ra
 | 
220 Ac
 | 
221 Th
 | 
222 Pa
 | 
| 132
 | 
 | 
214 Pb
 | 
215 bi
 | 
216 Po
 | 
217 at
 | 
218 para
 | 
219 Fr
 | 
220 Ra
 | 
221 Ac
 | 
222 Th
 | 
223 Pa
 | 
224 U
 | 
| 133
 | 
 | 
215 Pb
 | 
216 bi
 | 
217 Po
 | 
218 at
 | 
219 para
 | 
220 Fr
 | 
221 Ra
 | 
222 Ac
 | 
223 Th
 | 
224 Pa
 | 
225 U
 | 
| 134
 | 
 | 
217 bi
 | 
218 Po
 | 
219 at
 | 
220 para
 | 
221 Fr
 | 
222 ra
 | 
223 Ac
 | 
224 Th
 | 
225 Pa
 | 
226 U
 | 
227 Np
 | 
228 Pooh
 | 
| 135
 | 
 | 
218 bi
 | 
219 Po
 | 
220 at
 | 
221 para
 | 
222 Fr
 | 
223 ra
 | 
224 Ac
 | 
225 th
 | 
226 Pa
 | 
227 U
 | 
228 Np
 | 
229 Pu
 | 
230 am
 | 
| 136
 | 
 | 
220 Po
 | 
221 at
 | 
222 para
 | 
223 Fr
 | 
224 ra
 | 
225 Ac
 | 
226 Th
 | 
227 Pa
 | 
228 U
 | 
229 Np
 | 
230 pu
 | 
231 On
 | 
| 137
 | 
 | 
222 at
 | 
223 para
 | 
224 Fr
 | 
225 ra
 | 
226 Ac
 | 
227 Th
 | 
228 Pa
 | 
229 U
 | 
230 Np
 | 
231 Pu
 | 
232 Am
 | 
233 cm
 | 
| 138
 | 
 | 
223 at
 | 
224 para
 | 
225 Fr
 | 
226 Ra
 | 
227 Ac
 | 
228 Th
 | 
229 Pa
 | 
230 U
 | 
231 Np
 | 
232 Pu
 | 
233 On
 | 
234 cm
 | 
235 Bk
 | 
| 139
 | 
 | 
225 Rn
 | 
226 Fr
 | 
227 ra
 | 
228 Ac
 | 
229 Th
 | 
230 Pa
 | 
231 U
 | 
232 Np
 | 
233 Pu
 | 
234 On
 | 
235 cm
 | 
235 Bk
 | 
237 Cf
 | 
| 140
 | 
 | 
226 para
 | 
227 Fr
 | 
228 ra
 | 
229 Ac
 | 
230 th
 | 
231 Pa
 | 
232 U
 | 
233 Np
 | 
234 Pu
 | 
235 On
 | 
236 cm
 | 
235 Bk
 | 
238 Cf
 | 
| 141
 | 
 | 
227 para
 | 
228 Fr
 | 
229 Ra
 | 
230 Ac
 | 
231 Th
 | 
232 Pa
 | 
233 U
 | 
234 Np
 | 
235 Pu
 | 
236 On
 | 
237 cm
 | 
238 Bk
 | 
239 Cf
 | 
| 142
 | 
 | 
228 para
 | 
229 Fr
 | 
230 Ra
 | 
231 Ac
 | 
232 Th
 | 
233 Pa
 | 
234 U
 | 
235 Np
 | 
236 Pu
 | 
237 On
 | 
238 cm
 | 
239 Bk
 | 
240 cf
 | 
241 it
 | 
242 m
 | 
| 143
 | 
 | 
229 para
 | 
230 Fr
 | 
231 ra
 | 
232 Ac
 | 
233 Th
 | 
234 Pa
 | 
235 U
 | 
236 Np
 | 
237 Pu
 | 
238 On
 | 
239 cm
 | 
240 Bk
 | 
241 Cf
 | 
242 It
 | 
243 m
 | 
| 144
 | 
 | 
231 Fr
 | 
232 ra
 | 
233 Ac
 | 
234 Th
 | 
235 Pa
 | 
236 U
 | 
237 Np
 | 
238 Pu
 | 
239 On
 | 
240 cm
 | 
241 Bk
 | 
242 Cf
 | 
243 It
 | 
244 ft
 | 
| 145
 | 
 | 
233 ra
 | 
234 Ac
 | 
235 Th
 | 
236 Pa
 | 
237 U
 | 
238 Np
 | 
239 Pu
 | 
240 am
 | 
241 cm
 | 
242 Bk
 | 
243 Cf
 | 
244 it
 | 
245 m
 | 
| 146
 | 
 | 
234 ra
 | 
235 Ac
 | 
236 Th
 | 
237 Pa
 | 
238 U
 | 
239 Np
 | 
240 pu
 | 
241 On
 | 
242 cm
 | 
243 Bk
 | 
244 Cf
 | 
245 It
 | 
246 ft
 | 
| 147
 | 
 | 
236 Ac
 | 
237 Th
 | 
238 Pa
 | 
239 U
 | 
240 Np
 | 
241 Pu
 | 
242 On
 | 
243 cm
 | 
244 Bk
 | 
245 Cf
 | 
246 it
 | 
247 m
 | 
| 148
 | 
 | 
238 Th
 | 
239 Pa
 | 
240 U
 | 
241 Np
 | 
242 Pu
 | 
243 On
 | 
244 cm
 | 
245 Bk
 | 
246 Cf
 | 
247 it
 | 
248 ft
 | 
| 149
 | 
 | 
239 Th
 | 
240 Pa
 | 
241 U
 | 
242 Np
 | 
243 Pu
 | 
244 On
 | 
245 cm
 | 
246 Bk
 | 
247 Cf
 | 
248 it
 | 
249 m
 | 
| 150
 | 
 | 
241 Pa
 | 
242 U
 | 
243 Np
 | 
244 Pu
 | 
245 On
 | 
246 cm
 | 
247 Bk
 | 
248 Cf
 | 
249 it
 | 
250 m
 | 
| 151
 | 
 | 
243 U
 | 
244 Np
 | 
245 Pu
 | 
246 On
 | 
247 cm
 | 
248 Bk
 | 
249 Cf
 | 
250 it
 | 
251 ft
 | 
| 152
 | 
 | 
246 Pu
 | 
247 On
 | 
248 cm
 | 
249 Bk
 | 
250 cf
 | 
251 it
 | 
252 ft
 | 
| 153
 | 
 | 
247 Pu
 | 
248 On
 | 
249 cm
 | 
250 Bk
 | 
251 Cf
 | 
252 it
 | 
253 m
 | 
| 154
 | 
 | 
249 On
 | 
250 cm
 | 
251 Bk
 | 
252 Cf
 | 
253 it
 | 
254 m
 | 
| 155
 | 
 | 
251 cm
 | 
252 Bk
 | 
253 Cf
 | 
254 it
 | 
255 ft
 | 
| 156
 | 
 | 
252 cm
 | 
253 Bk
 | 
254 Cf
 | 
255 It
 | 
256 ft
 | 
| 157
 | 
 | 
254 Bk
 | 
255 Cf
 | 
256 It
 | 
257 m
 | 
| 158
 | 
 | 
256 Cf
 | 
257 it
 | 
258 ft
 | 
| 159
 | 
 | 
258 it
 | 
259 m
 | 
| 160
 | 
 | 
260 m
 |