1.

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

Answer»

SOLUTION :The electronic configuration of `Ce^(3+) " is" 4f^(1)`
`:. mu= SQRT(n(n+2)) = sqrt(1(1+2)) = SQRT3 = 1.73` BM


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