Question

What is nickel's electron configuration?

Answer 1

Ni electronic configuration: [Ar], 3d8, 4s2

Explanation:

Atomic Number of Nickel (Ni) = 28
Electronic configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d8
or [Ar], 3d8, 4s2
where [Ar] is Argon with atomic number 18