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A Radioactive Atom Has 98 Protons and 249 Nucleons

Question 45

Multiple Choice

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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