Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity
gravity, velocity
velocity, height
height, position

The answer is true for your question.

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.