A radioactive nucleus (initial mass number A and atomic number 
) emits 
-particles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For each 
-emission, 2 protons and 2 neutrons are lost. For each positron emission, 1 proton is lost and 1 neutron is gained
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