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Ch.6 - Electronic Structure of Atoms
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All textbooksBrown 14th EditionCh.6 - Electronic Structure of AtomsProblem 68a

Chapter 6, Problem 68a

(a) The average distance from the nucleus of a 3s electron in a chlorine atom is smaller than that for a 3p electron. In light of this fact, which orbital is higher in energy?

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Hello everyone in this video being asked if a four p electron has a higher energy than four S electron And were given the background information that a four p electron is further from the nucleus than a four s electron. So the electron, with the greater average distance from the nucleus has a smaller attraction for the nucleus and therefore higher in energy. We're comparing here, The four p electron versus a four S electron. So with that being said, then a four P electron will definitely have a higher energy than a four S electron. And this is going to be our final answer for this question.
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An experiment called the Stern–Gerlach experiment helped establish the existence of electron spin. In this experiment, a beam of silver atoms is passed through a magnetic field, which deflects half of the silver atoms in one direction and half in the opposite direction. The separation between the two beams increases as the strength of the magnetic field increases. (a) What is the electron configuration for a silver atom?

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