1. when identifying minerals, scientists often look at the color of the mineral when it is in powdered form. what is this color called?

When identifying minerals, scientists often look at the color of the mineral when it is in powdered form what is this color called? The color would be called a Streak.

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.

There are no metaphors.