Question

Calculate magnetic moment of a divalent cation of an element for which atomic number is 24.

Answer 1

Electronic configuration of 22M2+ ion is [Ar] 3d⁴.

  Number of unpaired electrons  =  4

μ = `sqrt(n(n + 2))` where n  = 4

∴ μ = `sqrt(4 xx 6) = sqrt24 = 4.90  "B.M"`