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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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Section
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 5, Problem 7E
Textbook Problem
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Draw electron dot structures for the following elements: Na, Al, P, Cl, and Ar . Which are most chemically reactive? Which are least chemically reactive?

Interpretation Introduction

Interpretation:

The electron dot structures are to be drawn for the given elements and their chemical reactivity are to be discussed.

Concept Introduction:

In the Lewis dot structure, dots are used to represent valence electrons. The Lewis structure of an element consists of the chemical symbol of the element surrounded by dots. Each dot is equivalent to one valence electron. The inner electrons are not included in the Lewis dot structure. First determine the number of valence electrons. Valence electrons are the outermost electrons that actually take part in bonding and chemical reactions.

Explanation of Solution

Na: Sodium has one valence electron. So, its Lewis dot structure is represented as follows:

Al: Aluminum has three valence electrons. So, its Lewis dot structure is represented as follows:

P: Phosphorus has five valence electrons. So, its Lewis dot structure is represented as follows:

Cl: Chlorine has seven valence electrons. So, its Lewis dot structure is represented as follows:

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Chapter 5 Solutions

Chemistry In Focus
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