The Auf Bau Principle, Hund's rule, and the Pauli exclusion principle are used to determine the lowest energy electron configuration of an atom, called the ground state; any other possible configuration is higher in energy, an excited state. Which of the following valence shell electron configurations are excited states? 5s 5px 5py 5pz 4dz2 4dx2-y2 4dxy 4dyz 4dxz (1) up, down up up up (2) up, down ¯ up up (3) up, down up up up (4) ¯up, down up up up 1, 2, and 3 (b) 1 and 4 (c) 2 only (d) 4 only (e) 3 only answer is B. i need explanation.
The Auf Bau Principle, Hund's rule, and the Pauli exclusion principle are used to determine the lowest energy electron configuration of an atom, called the ground state; any other possible configuration is higher in energy, an excited state. Which of the following valence shell electron configurations are excited states? 5s 5px 5py 5pz 4dz2 4dx2-y2 4dxy 4dyz 4dxz (1) up, down up up up (2) up, down ¯ up up (3) up, down up up up (4) ¯up, down up up up 1, 2, and 3 (b) 1 and 4 (c) 2 only (d) 4 only (e) 3 only answer is B. i need explanation.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter5: Electron Configurations And The Periodic Table
Section: Chapter Questions
Problem 136QRT: According to a relationship developed by Niels Bohr, for an atom or ion that has a single electron,...
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The Auf Bau Principle, Hund's rule, and the Pauli exclusion principle are used to determine the lowest energy electron configuration of an atom, called the ground state; any other possible configuration is higher in energy, an excited state. Which of the following valence shell electron configurations are excited states?
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5s |
5px |
5py |
5pz |
4dz2 |
4dx2-y2 |
4dxy |
4dyz |
4dxz |
|
(1) |
up, down |
up |
|
|
|
|
|
up |
up |
|
(2) |
up, down ¯ |
|
|
|
|
|
|
up |
up |
|
(3) |
up, down |
|
|
|
|
|
up |
up |
up |
|
(4) |
¯up, down |
up |
up |
up |
|
|
|
|
|
- 1, 2, and 3 (b) 1 and 4 (c) 2 only (d) 4 only (e) 3 only
answer is B. i need explanation.
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