Question

Which of the following is the electronic configuration of Lanthanide elements ?

(A) \((n - 2) f ^ {1 - 14} (n - 1) s ^ 2 p ^ 6 d ^ {0, 1} n s ^ 2\)

(B) \((n - 2) f ^ {0 - 14} (n - 1) d ^ {10} n s ^ 2\)

(C) \((n - 2) f ^ {0 - 14} (n - 1) d ^ {0, 1} n s ^ 2\)

(D) \((n - 2) d ^ {0, 1} (n - 1) f ^ {0 - 14} n s ^ 1\)

Answer 1

Correct option is (A) \((n - 2) f ^ {1 - 14} (n - 1) s ^ 2 p ^ 6 d ^ {0, 1} n s ^ 2\)