A radioactive nucleus (initial mass number A and atomic number Z) emits 3\alpha- particles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be

Correct Answer is : A−Z−4Z−8

NEET Exam Model Paper 8

Question : 21 of 180

Marks: +1, -0

A radioactive nucleus (initial mass number A and atomic number Z) emits 3α− particles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be

A−Z−8
Z−4
A−Z−4
Z−8
A−Z−12
Z−4
A−Z−4
Z−2

Validate

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