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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
|