Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 15, Problem 15.25E
Interpretation Introduction
Interpretation:
The possible term symbols of allowed excited states of the atom with
Concept introduction:
A term symbol describes the orbital, spin and total angular momenta of an electronic state. The symbol
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Consider the ground-state electron configurations of the atoms with the following atomic numbers: 7, 20, 26, 32, 37, 41, 85, 96. Calculate the total spin quantum number S for each, as well as its magnetic moment in Bohr magnetons.
1. Determine the term symbols associated with an electron configuration 1s²2s²2p³. Which symbol
corresponds to the ground state?
For a He atom in the excited state with atomic electronic configuration 1s1 2s1:
write out the symmetric and antisymmetric spatial wavefunctions. These two are linear combination of ψ1s and ψ2s each with an electron in them.
combine each spatial wavefunction with the appropriate spin wavefunctions for two electrons (there are four of them) such that the total wavefunction is antisymmetric.
Chapter 15 Solutions
Physical Chemistry
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