Use Hund's rule to derive the electronic configuration of `Ce^(3+)` ion, and calculatel its magntic moment on the basis of spin-only formula.

Use Hund's rule to derive the electronic configuration of Ce^(3+) ion and calculate its magnetic moment on the basis of 'spin-only' formula.

Use Hund's rule to derive the electronic configuration of Ce^(3+) ion, and calculate its magnetic moment on the basis of 'spin - only' formula.

Use Hund's rule to derive the electronic configuration of Ce^(3+) ion, and calculate its magnetic moment on the basis of 'spin only formula

Use Hund's rule to derive the electronic configuration of Ce^(3+) ion and calculate its magnetic moment on the basis of 'spin-only' formula.

Use Hund.s rule to derive the electronic configuration of Ce^(3+) ion and calculate its magnetic moment on the basis of .spin only. formula.

Use Hund’s rule to derive the electronic configuration of Ce3+ ion, and calculate its magnetic moment on the basis of ‘spin-only’ formula.

Use Hund's' rule to derive the electronic configuration of '(Ce)^(3+)' ion and calculate its magnetic moment on the basis of "spin-only formula".