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OpenStudy (anonymous):
Please help will fan and give medal. 1) The type of radioactive decay in which the mass number and atomic number remain unchanged is A) beta radiation. B) alpha radiation. C) positron radiation. D) gamma radiation. 2) When Plutonium-239 undergoes alpha decay, it becomes A) curium-241 + an alpha particle B) uranium-235 + an alpha particle C) neptunium-237 + and alpha particle D) plutonium-237 + and alpha particle
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OpenStudy (anonymous):
1 D 2 B I believe.
OpenStudy (anonymous):
Thank you so much. I appreciate it.
OpenStudy (anonymous):
No problem. :)
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