Question

Usr hunds rule to derive electronic config ce3+ ion and calculate its magnetic moment

Answer 1

 Hey !!

₅₈Ce = [Xe]⁵⁴ 4f¹ 5d¹ 6s²

Ce³⁺ = [Xe]⁵⁴ 4f¹, there is only one unpaired electron, n = 1

Hence, μ = √n (n+2)

    = √1 (1+2)

    = √3

FINAL RESULT = 1.73 BM

Good luck !!