1. Nuclear Chemistry

5. Alpha Decay Example Notice that the uranium has changed into a new element, thorium.

7. Beta Decay Example Notice that carbon has changed into nitrogen.

9. Gamma Decay Example No new element formed. Gamma radiation (energy) released.

11. Uranium-238 Decay Series

13. Radioactive Decay of U-238 Thorium-234 becomes Protactinium-234 Transmutation by Beta Decay

14. Radioactive Decay of U-238 Protactinium-234 becomes Uranium-234 Transmutation by Beta Decay

15. Radioactive Decay of U-238 Uranium-234 becomes Thorium-230 Transmutation by Alpha Decay

16. Radioactive Decay of U-238 Thorium-230 becomes Radium-226 Transmutation by Alpha Decay

17. Radioactive Decay of U-238 Radium –226 becomes Radon-222 Transmutation by Alpha Decay

18. Radioactive Decay of U-238 Radon-222 becomes Polonium-218 Transmutation by Alpha Decay

19. Radioactive Decay of U-238 Polonium-218 becomes Lead-214 Transmutation by Alpha Decay

20. Radioactive Decay of U-238 Lead-214 becomes Bismuth-214 Transmutation by Beta Decay

21. Radioactive Decay of U-238 Bismuth-214 becomes Polonium-214 Transmutation by Beta Decay

22. Radioactive Decay of U-238 Polonium-214 becomes Lead-210 Transmutation by Alpha Decay

23. Radioactive Decay of U-238 Lead-210 becomes Bismuth-210 Transmutation by Beta Decay

24. Radioactive Decay of U-238 Bismuth-210 becomes Polonium-210 Transmutation by Beta Decay

25. Radioactive Decay of U-238 Polonium-210 becomes Lead-206 Transmutation by Alpha Decay Lead-206 is stable. (phew!)