Some Applications Of D And F Block Elements

The correct option is (A) : (n – 2) f ^1–14 (n – 1) s² p6 d^0–1 ns²

n lanthanides (At no. of elements 58 to 71) the electronic configuration of three outermost shelts are (n−2)f¹⁻¹⁴(n−1)d⁰⁻¹ns²