ANS CNP Practice Questions - ANS Certified Nuclear Professional Exam

During alpha decay, what happens to the parent nucleus?

Atomic number increases by 1, mass number unchanged Atomic number unchanged, mass number decreases by 1 Atomic number decreases by 2, mass number decreases by 4 Atomic number decreases by 1, mass number unchanged

Correct Answer:

Atomic number decreases by 2, mass number decreases by 4

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