Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN: 9780534420123
Author: Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher: Cengage Learning
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Chapter 9, Problem 9.2QE

(a)

Interpretation Introduction

Interpretation:

The Lewis electron-dot symbols that show the formation of barium bromide from the atoms has to be determined.

Concept Introduction:

Lewis electron-dot symbols can be used to predict the number of bonds formed by most elements in their compounds. Lewis electron-dot symbol consists of the chemical symbol for an element surrounded by dots that represent its valence electrons.

Some features of the Lewis electron-dot symbol are as follows:

1. It is the representation of valence electrons.

2. It allows to keep track of valence electrons during bond formation.

3. It consists of the chemical symbol for the element and a dot for each valence electron.

The steps to write Lewis electron-dot symbol are as follows:

Step1: In this step, the dots that represent its valence electrons are placed one at a time, around the element’s chemical symbol. The first four dots are placed above, below, to the left, and to the right of the symbol. So, those elements with four or fewer valence electrons have one dot in each position.

Step 2: The dots for elements with more than four valence electrons are again placed one by one. The first four valence electrons are paired one by one.

(b)

Interpretation Introduction

Interpretation:

The Lewis electron-dot symbols that show the formation of potassium sulfide from the atoms have to be determined.

Concept Introduction:

Refer to part (a).

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Chapter 9 Solutions

Chemistry: Principles and Practice

Ch. 9 - Prob. 9.11QECh. 9 - Prob. 9.12QECh. 9 - Prob. 9.13QECh. 9 - Compare the trends in electronegativity and...Ch. 9 - Prob. 9.15QECh. 9 - Prob. 9.16QECh. 9 - Prob. 9.17QECh. 9 - What elements are most likely to form...Ch. 9 - Prob. 9.19QECh. 9 - Prob. 9.20QECh. 9 - Prob. 9.21QECh. 9 - Prob. 9.22QECh. 9 - Prob. 9.23QECh. 9 - Prob. 9.24QECh. 9 - Prob. 9.25QECh. 9 - Prob. 9.26QECh. 9 - Write the formulas of the ionic compounds that...Ch. 9 - Prob. 9.28QECh. 9 - Prob. 9.29QECh. 9 - Prob. 9.30QECh. 9 - Arrange the following series of compounds in order...Ch. 9 - Prob. 9.32QECh. 9 - Prob. 9.33QECh. 9 - Prob. 9.34QECh. 9 - Prob. 9.35QECh. 9 - Draw Lewis structures for the following species....Ch. 9 - Prob. 9.37QECh. 9 - Prob. 9.38QECh. 9 - Write the Lewis structure for the following...Ch. 9 - Prob. 9.40QECh. 9 - Prob. 9.41QECh. 9 - Draw a Lewis structure for each of the following...Ch. 9 - Write the Lewis structure for each compound, with...Ch. 9 - Prob. 9.44QECh. 9 - Prob. 9.45QECh. 9 - Write the Lewis structure for each species, with...Ch. 9 - Prob. 9.47QECh. 9 - Prob. 9.48QECh. 9 - Prob. 9.49QECh. 9 - Arrange the members of each of the following sets...Ch. 9 - Prob. 9.51QECh. 9 - Prob. 9.52QECh. 9 - Prob. 9.53QECh. 9 - For each pair of bonds, indicate the more polar...Ch. 9 - Which molecule has the most polar bond: N2, BrF,...Ch. 9 - Given the bonds C N, C H, C Br, and S O, (a)...Ch. 9 - Prob. 9.57QECh. 9 - Prob. 9.58QECh. 9 - Write the Lewis structures showing formal charge...Ch. 9 - Write the Lewis structures showing formal charge...Ch. 9 - Prob. 9.61QECh. 9 - The connectivity of HNO could be either HNO or...Ch. 9 - Prob. 9.63QECh. 9 - Prob. 9.64QECh. 9 - Write all possible resonance structures for the...Ch. 9 - Prob. 9.66QECh. 9 - Prob. 9.67QECh. 9 - Prob. 9.68QECh. 9 - Prob. 9.69QECh. 9 - Prob. 9.70QECh. 9 - Write all resonance structures of toluene,...Ch. 9 - Write all resonance structures of chlorobenzene,...Ch. 9 - Draw all resonance structures for...Ch. 9 - Prob. 9.74QECh. 9 - Prob. 9.75QECh. 9 - Prob. 9.76QECh. 9 - Write the Lewis structures for the following...Ch. 9 - Write the Lewis structures for the following...Ch. 9 - Prob. 9.79QECh. 9 - Prob. 9.80QECh. 9 - Prob. 9.81QECh. 9 - Prob. 9.82QECh. 9 - Write the Lewis structures of H2CNH and H3CNH2....Ch. 9 - Write the Lewis structures of HNNH and H2NNH2....Ch. 9 - Prob. 9.85QECh. 9 - Prob. 9.86QECh. 9 - Prob. 9.87QECh. 9 - Prob. 9.88QECh. 9 - Prob. 9.89QECh. 9 - Prob. 9.90QECh. 9 - Prob. 9.91QECh. 9 - Prob. 9.92QECh. 9 - Prob. 9.93QECh. 9 - Prob. 9.94QECh. 9 - Prob. 9.95QECh. 9 - Prob. 9.96QECh. 9 - Prob. 9.97QECh. 9 - Prob. 9.98QECh. 9 - The molecule nitrosyl chloride, NOCl, has a...Ch. 9 - Prob. 9.100QECh. 9 - Draw the Lewis structure of BrNO. Which is the...Ch. 9 - Prob. 9.102QECh. 9 - Calculate an approximate enthalpy change (Table...Ch. 9 - Prob. 9.104QECh. 9 - Prob. 9.105QECh. 9 - Prob. 9.106QECh. 9 - Prob. 9.107QE
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