When a nuclide undergoes positron emission,the change in the number of protons,neutrons,and mass number is,respectively:
A)-1,+1,no change
B)+1,-1,no change
C)-1,+1,-1
D)+1,+1,-1

Question

Quizplus · Accepted Answer

Positron emission involves the conversion of a proton into a neutron, which decreases the number of protons by 1, increases the number of neutrons by 1, and leaves the mass number unchanged since the total number of nucleons remains the same.

When a Nuclide Undergoes Positron Emission,the Change in the Number