How can a young researcher direct his curiosity into something that would be beneficial for reserach? Why then this one is called an Intellectual curiosity? Establish your claim.

Where are the questions

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

08.01 hope this and can i get brainlist? ?