Lewis structure of an uncharged lithium atom has to be drawn. Concept Introduction: A Lewis dot structure for an atom consists of a symbol for the element and one dot for each valence electron. It is used for the S and P block elements. Steps in drawing a Lewis dot structure, The valence electrons have to be known. Place one valence electron by itself on each side of the atom. If the valence electrons are above four, the remaining electrons are paired with the electrons that are already drawn.

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Chapter 1.3, Problem 7ATS

(a)

Interpretation Introduction

Interpretation:

Lewis structure of an uncharged lithium atom has to be drawn.

Concept Introduction:

A Lewis dot structure for an atom consists of a symbol for the element and one dot for each valence electron. It is used for the S and P block elements.

Steps in drawing a Lewis dot structure,

The valence electrons have to be known.

Place one valence electron by itself on each side of the atom.

If the valence electrons are above four, the remaining electrons are paired with the electrons that are already drawn.

(b)

Interpretation Introduction

Interpretation:

Lewis structure of lithium cation has to be drawn.

Concept Introduction:

A Lewis dot structure for an atom consists of a symbol for the element and one dot for each valence electron. It is used for the S and P block elements.

Steps in drawing a Lewis dot structure,

The valence electrons have to be known.

Place one valence electron by itself on each side of the atom.

If the valence electrons are above four, the remaining electrons are paired with the electrons that are already drawn.

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