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Radioactivity: a Radioactive Atom Has 98 Protons and 249 Nucleons

Question 46

Multiple Choice

Radioactivity: A radioactive atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons and nucleons, respectively, in the daughter nucleus?


A) 100, 245
B) 94, 247
C) 96, 245
D) 96, 247
E) 100, 249

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