Question

The electronic configuration of Ni2+
(Atomic number of Ni = 28)
(A) [Ar] 4s^2 3d^6
(B) [Ar] 4s'13d8
(C) [Ar] 3d8
(D) [Ar] 4s2 3d8​

Answer 1

Answer:

(D) [ Ar ] 4s2 3d8 is the answer