
(a)
The formula for given ionic compound cesium iodide.
(a)

Answer to Problem 17E
Explanation of Solution
For a neutral ionic compound, the number of negative and positive charge of ions should be equal. To write the formula of the compound the charge neutrality is maintained. Signs of cation and anion charges are not considered while writing the formula for the compound. The charge on the cation is used as a subscript for the anion and the charge on the anion is used as a subscript for the cation.
An element from the group
An element from the group
The charge on anion
Conclusion:
Therefore, the formula for ionic compound cesium iodide is
(b)
The formula for given ionic compound barium fluoride.
(b)

Answer to Problem 17E
Explanation of Solution
For a neutral ionic compound, the number of negative and positive charge of ions should be equal. To write the formula of the compound the charge neutrality is maintained. Signs of cation and anion charges are not considered while writing the formula for the compound. The charge on the cation is used as a subscript for the anion and the charge on the anion is used as a subscript for the cation.
An element from the group
An element from the group
The charge on anion
Conclusion:
Therefore, the formula for ionic compound barium fluoride is
(c)
The formula for given ionic compound aluminium nitrate.
(c)

Answer to Problem 17E
Explanation of Solution
Given Info: Refer to Table 11.6 in the textbook.
Explanation:
For a neutral ionic compound, the number of negative and positive charge of ions should be equal. To write the formula of the compound the charge neutrality is maintained. Signs of cation and anion charges are not considered while writing the formula for the compound. The charge on the cation is used as a subscript for the anion and the charge on the anion is used as a subscript for the cation.
Aluminium belongs to the group
The nitrate ion is a polyatomic anion and has a charge of
The charge on anion
Conclusion:
Therefore, the formula for ionic compound aluminium nitrate is
(d)
The formula for given ionic compound lithium sulfide.
(d)

Answer to Problem 17E
Explanation of Solution
For a neutral ionic compound, the number of negative and positive charge of ions should be equal. To write the formula of the compound the charge neutrality is maintained. Signs of cation and anion charges are not considered while writing the formula for the compound. The charge on the cation is used as a subscript for the anion and the charge on the anion is used as a subscript for the cation.
An element from the group
An element from the group
The charge on anion
Conclusion:
Therefore, the formula for ionic compound lithium sulfide is
(e)
The formula for given ionic compound beryllium oxide.
(e)

Answer to Problem 17E
Explanation of Solution
For a neutral ionic compound, the number of negative and positive charge of ions should be equal. To write the formula of the compound the charge neutrality is maintained. Signs of cation and anion charges are not considered while writing the formula for the compound. The charge on the cation is used as a subscript for the anion and the charge on the anion is used as a subscript for the cation.
An element from the group
An element from the group
The charge on anion
Conclusion:
Therefore, the formula for ionic compound beryllium oxide is
(f)
The formula for given ionic compound ammonium sulfate.
(f)

Answer to Problem 17E
Explanation of Solution
Given Info: Refer to Table 11.6 in the textbook.
Explanation:
For a neutral ionic compound, the number of negative and positive charge of ions should be equal. To write the formula of the compound the charge neutrality is maintained. Signs of cation and anion charges are not considered while writing the formula for the compound. The charge on the cation is used as a subscript for the anion and the charge on the anion is used as a subscript for the cation.
Ammonium and sulfate ions are polyatomic ions. Ammonium ion has a charge of
Sulfate ion has a charge of
The charge on anion
Conclusion:
Therefore, the formula for ionic compound ammonium sulfate is
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Chapter 12 Solutions
An Introduction to Physical Science
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