[UPSC CSE 2002] Nuclear Physics (Q179, 10,10M)

(i) Explain why a neutral particle such as neutron possesses a finite value of magnetic moment, and how it is determined. (ii) Write down the electronic configuration of ^7\text{Li}, \, ^{13}\text{C} \quad \text{and} \quad ^{25}\text{Mg} in the ground state of the nuclear shell model.