The conclusions derived by student from model 2 should be explained. Concept introduction: Lewis structure is representation of molecule in that dots are shown to represent unshared electrons and lines are shown to represent bonds. These lines and dots represent distribution of electrons in the molecule. When one single structure is unable to describe all the properties of single-molecule, a phenomenon called resonance comes into play. This arises when two or more than two Lewis structures are possible for one molecule. All such structures are called resonating structures and have same placement of atoms in them but these have different locations of bond pairs and lone pairs. The resonating structures are inter-convertible with each other. The resultant of all the resonating or contributing structures is called the resonance hybrid.

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Chapter 5, Problem 4CTQ

Interpretation Introduction

Interpretation: The conclusions derived by student from model 2 should be explained.

Concept introduction: Lewis structure is representation of molecule in that dots are shown to represent unshared electrons and lines are shown to represent bonds. These lines and dots represent distribution of electrons in the molecule.

When one single structure is unable to describe all the properties of single-molecule, a phenomenon called resonance comes into play. This arises when two or more than two Lewis structures are possible for one molecule. All such structures are called resonating structures and have same placement of atoms in them but these have different locations of bond pairs and lone pairs. The resonating structures are inter-convertible with each other. The resultant of all the resonating or contributing structures is called the resonance hybrid.

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