The president may want you, but unless you also win the approval of the U.S. Senate, it's back to the shoe store on Monday for you. Across the federal government, nearly 1,200 executive level jobs may be filled only by individuals appointed by the president and approved by a simple majority vote of the Senate.
The Aufbau principle states that electrons must be added to elements and ions in a VERY specific order with the lowest energy level being filled first and the highest last. Th â¦ is is where the Aufbau triangle comes in. It shows the order in which the energy levels must be filled. 10 people found this useful.
I have never felt comfortable with the aufbau diagram, although I have of course taught the aufbau principle. I believe the diagram gives a feeling of understanding of the order of filling whereas students at this level are only expected to know how to write the electron configuration of atoms and ions.