Question

General electronic configuration of lanthanides is
(a) (n – 2) f¹⁻¹⁴ (n –1) s²p⁶d⁰⁻¹ ns²
(b) (n – 2) f¹⁰⁻¹⁴ (n –1) d⁰⁻¹ ns²
(c) (n – 2) f⁰⁻¹⁴ (n –1) d¹⁰ ns²
(d) (n – 2) d⁰⁻¹ (n –1) f¹⁻¹⁴ ns²

Answer 1

Answer:

Option b

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