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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