Question

True or false:

The observed electron configurations for Cr and Cu both occur by moving an electron from the orbital of a p sublevel to an orbital of the d sublevel.

Answer 1

electron configuration of Cr is [Ar] 3d5 4s1

and

electron configuration of Cu is [Ar] 3d10 4s1

here one 4s electron goes to 3d orbital to fulfill the 3d and half filled the 4s orbital.

Hence this is false statement.