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Chemistry In Focus

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

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 5, Problem 15E
Textbook Problem
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Lewis Structures for Atoms

Draw Lewis structures for each of the following elements. Which element is most chemically stable?

a . C b . Ne c . Ca d . F

Interpretation Introduction

Interpretation:

The electron dot structures for the given elements are to be drawn and the most chemically stable element is to be identified.

Concept introduction:

 Lewis dot structure is used to represent the molecules.

 In Lewis dot structure, the valence electrons of the main group element are represented by dots.

 Structures with octets (eight dots) or duets (two dots) are considered as stable configurations.

 Elements having configurations very close to an octet or a duet are very reactive in nature.

Explanation of Solution

a) C

Carbon has four valence electrons. Hence, its Lewis structure is represented as follows:

Carbon does not have a stable configuration as it has four valence electrons.

b) Ne

Neon has eight valence electrons. Hence, its Lewis structure is represented as follows:

Lewis dot structures with octets are stable configurations. Neon has eight valence electrons. Therefore, Neon has a noble gas configuration

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Chapter 5 Solutions

Chemistry In Focus
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