The following equations represent part of a radioactive decay series:
1. 92238U → A + 24He
2. A → 91234Pa + B
3. 91234Pa → C + –10e
4. C → 90230Th + 24He
5. 90230Th → D + 24He
6. D → 86222Rn + E
7. 86222Rn → 84218Po + F
8. 84218Po → G + 24He
9. G → 83214Bi + H
10. 83214Bi → I + –10e
11. I → J + 24He