Radioactive Decay |
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TheThorium Series |
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Element |
Atomic Weight |
Radiation Emitted |
Half Life |
||||
Thorium |
232 |
a |
1.39E+10 |
Years |
|||
Radium |
228 |
b |
6.7 |
Years |
|||
Actinium |
228 |
b |
6.13 |
Hours |
|||
Thorium |
228 |
a |
1.91 |
Years |
|||
Radium |
224 |
a |
3.64 |
Days |
|||
Radon |
220 |
a |
52 |
Seconds |
|||
Polonium |
216 |
a |
0.16 |
Seconds |
|||
Lead |
212 |
a |
10.6 |
Hours |
|||
Bismuth |
212 |
b |
66.30% |
a |
33.70% |
60.5 |
Minutes |
Polonium |
212 |
a |
3.00E-07 |
Seconds |
|||
Thallium |
208 |
b |
3.1 |
Minutes |
|||
Lead |
208
|
Stable |
- |
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