The two reasons for preferring the Lewis structure on the left in the given two structures for BeCl 2 are to be given. Concept Introduction: An ionic compound is a compound in which positive ions and negative ions are held together by the electrostatic forces. The capability of an atom to captivate a bonding pair of electrons leads to an electronegative atom. In Lewis structure, a graphic diagram represents the bonding between the atoms of a molecule and the lone pairs of electrons. The formula for the formal charge is given for the expression as: Formal charge = VE − ( NE + BE 2 ) . Here, VE is the valence electrons, NE is the nonbonding electrons, and BE is the bonding electrons.

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Chapter 8, Problem 109RQ

Interpretation Introduction

Interpretation:

The two reasons for preferring the Lewis structure on the left in the given two structures for BeCl2 are to be given.

Concept Introduction:

An ionic compound is a compound in which positive ions and negative ions are held together by the electrostatic forces.

The capability of an atom to captivate a bonding pair of electrons leads to an electronegative atom.

In Lewis structure, a graphic diagram represents the bonding between the atoms of a molecule and the lone pairs of electrons.

The formula for the formal charge is given for the expression as:

Formal charge=VE−(NE+BE2).

Here, VE is the valence electrons, NE is the nonbonding electrons, and BE is the bonding electrons.

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