Why does phosphorus have a larger first ionization energy than sulfur? Select all that apply. a) According to Pauli's exclusion principle, the last valence electron of sulfur is destabilized because, it is spin paired. b) The statement is incorrect because the general trend left to right in a row is for the effective nuclear charge to increase. c) The last valence electron of phosphorus enters an unoccupied 3p orbital. d) The last valence electron of sulfur enters an occupied 3p orbital.
Why does phosphorus have a larger first ionization energy than sulfur? Select all that apply. a) According to Pauli's exclusion principle, the last valence electron of sulfur is destabilized because, it is spin paired. b) The statement is incorrect because the general trend left to right in a row is for the effective nuclear charge to increase. c) The last valence electron of phosphorus enters an unoccupied 3p orbital. d) The last valence electron of sulfur enters an occupied 3p orbital.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter5: Quantum Mechanics And Atomic Structure
Section: Chapter Questions
Problem 37P: The first ionization energy of helium is 2370kJmol1 , the highest for any element. (a) Define...
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Why does phosphorus have a larger first ionization energy than sulfur? Select all that apply.
a) According to Pauli's exclusion principle, the last valence electron of sulfur is destabilized because, it is spin paired.
b) The statement is incorrect because the general trend left to right in a row is for the effective nuclear charge to increase.
c) The last valence electron of phosphorus enters an unoccupied 3p orbital.
d) The last valence electron of sulfur enters an occupied 3p orbital.
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