Question

Hi! I'm struggling to answer these please help!

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6. Americium-241 decays via alpha particle emission into ___________________


7. Uranium-238 emits three alpha particles to become _________________


8. Radium-226 emits an alpha particle to become _________________


9. What isotope of thorium undergoes alpha particle decay to become Radium-228?

Answer 1

6. Americium-241 decays via alpha particle emission into Neptunium-237.
7. Uranium-238 emits three alpha particles to become Thorium-234.
8. Radium-226 emits an alpha particle to become Radon-222.
9. The isotope of Thorium that undergoes alpha particle decay to become Radium-228 is Thorium-230.