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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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Chapter
Section
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem

For each of the following positive ions, use the concept that a chemical compound must have a net charge of zero to predict the formula of the simple compounds that the positive ions would form with the Cl , S 2 , and N 3 ions.

a. K +

c. Al 3 +

e. Li +

b. Mg 2 +

d. Ca 2 +

Interpretation Introduction

(a)

Interpretation:

The chemical compound formed by given positive charged ion and negative charged ions should be determined.

Concept Introduction:

A chemical compound is composed of cation and anion. For writing the formula of chemical compound we have to cross the valences of ions to get the neutral chemical compound. Write down the given charges just below the ion and cross to the number of respective atoms in the chemical compound by changing the number to simplest whole number.

Explanation

To write the formula of chemical compound from respective cation and anion, we need to balance the charges in such a way that overall molecule becomes neutral. The neutral chemical compound is formed by combination of cation and anion. To write the formula; we must use the criss-cross method that balance the charges.

The compounds formed by potassium on combining with S2, Cl and N3 are as follows:

(1)

Interpretation Introduction

(b)

Interpretation:

The chemical compound formed by given positive charged ion and negative charged ions should be determined.

Concept Introduction:

A chemical compound is composed of cation and anion. For writing the formula of chemical compound we have to cross the valences of ions to get the neutral chemical compound. Write down the given charges just below the ion and cross to the number of respective atoms in the chemical compound by changing the number to simplest whole number.

Interpretation Introduction

(c)

Interpretation:

The chemical compound formed by given positive charged ion and negative charged ions should be determined.

Concept Introduction:

A chemical compound is composed of cation and anion. For writing the formula of chemical compound we have to cross the valences of ions to get the neutral chemical compound. Write down the given charges just below the ion and cross to the number of respective atoms in the chemical compound by changing the number to simplest whole number.

(d)
Interpretation Introduction

Interpretation:

The chemical compound formed by given positive charged ion and negative charged ions should be determined.

Concept Introduction:

A chemical compound is composed of cation and anion. For writing the formula of chemical compound we have to cross the valences of ions to get the neutral chemical compound. Write down the given charges just below the ion and cross to the number of respective atoms in the chemical compound by changing the number to simplest whole number.

Interpretation Introduction

(e)

Interpretation:

We need to check the formation of chemical compound with given respective ions.

Concept Introduction:

A chemical compound is composed of cation and anion. For writing the formula of chemical compound we have to cross the valences of ions to get the neutral chemical compound. Write down the given charges just below the ion and cross to the number of respective atoms in the chemical compound by changing the number to simplest whole number.

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