Answer: Bond angle (geometric changes).
- A Bond angle (geometric changes)
- B Temperature according to conventional understanding
- C Bond length mainly in routine practice
- D Number of electrons overall
Correct answer: A. Bond angle (geometric changes)
Explanation: Walsh diagrams plot MO energies as a function of bond angle, predicting the preferred geometry of a molecule.
VSEPR theory predicts molecular shape from the number of bonding and lone electron pairs around the central atom.
Concept context
Understand how atoms join to form molecules. Covers ionic and covalent bonding, VSEPR theory, hybridization (sp, sp², sp³), molecular orbital theory, bond polarity, and intermolecular forces like hydrogen bonding.
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