16. What is the molecular geometry of PH3?(A) Trigonal planar(B) T-shaped(C) Trigonal pyramidal(D) Tetrahedral17. The correct Lewis structure for BF3 would have exactly:(A) 1 double bond(B) 2 double bonds(C) No double bonds(D) 1 triple bond18. Nitrogen has a greater first ionization energy than phosphorus. What is the best evidence to supportthis observation?(A) Nitrogen has a greater effective nuclear charge.(B) A nitrogen atom is larger than a phosphorus atom.(C) The electron ionized from nitrogen is in a lower energy level closer to the nucleus.(D) The electron ionized from nitrogen is not from a valence energy level.

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the molecular geometry of PH3?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 6.ACP

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Concept explainers

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.

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16. What is the molecular geometry of PH3?
(A) Trigonal planar
(B) T-shaped
(C) Trigonal pyramidal
(D) Tetrahedral
17. The correct Lewis structure for BF3 would have exactly:
(A) 1 double bond
(B) 2 double bonds
(C) No double bonds
(D) 1 triple bond
18. Nitrogen has a greater first ionization energy than phosphorus. What is the best evidence to support
this observation?
(A) Nitrogen has a greater effective nuclear charge.
(B) A nitrogen atom is larger than a phosphorus atom.
(C) The electron ionized from nitrogen is in a lower energy level closer to the nucleus.
(D) The electron ionized from nitrogen is not from a valence energy level.

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