A) electron
B) positron
C) proton
D) neutron
Correct Answer: D
Solution :
Applying charge and mass conservation \[4+A=A+3+A\] \[\Rightarrow \] \[A=1\] \[2+Z=Z+2+Z\] \[\Rightarrow \] \[Z=0\] Hence, M is neutron.You need to login to perform this action.
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