Radioactivity is the process of: a) an electron moving to a higher energy shell b) an unstable nucleus becoming stable c) an electron moving to a lower energy shell d) stable nucleus becoming unstable
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![Radioactivity
is the process of:
a) an electron moving to a higher energy shell
b) an unstable nucleus becoming stable
c) an electron moving to a lower energy shell
d) stable nucleus becoming unstable](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F201eac0d-8936-4dd2-8bcb-9eb65d7bc14e%2Fdd1e0cad-132a-4907-b02b-707dd3cc30eb%2Fdu3vdr_processed.jpeg&w=3840&q=75)
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