Binary Ionic Compound Practice

In some of these practice questions, you have to figure out the charge of each ion before you can figure out the formula.

See the Ions notes for help and have a Periodic Table available.

1. What is the correct formula for an ionic compound of potassium and chlorine?
 
 
 
 

Question 1 of 10

2. What is the correct formula for an ionic compound of potassium and oxygen?
 
 
 
 

Question 2 of 10

3. What is the formula of an ionic compound of Li+ and Cl−?
 
 
 
 

Question 3 of 10

4. What is the correct formula for an ionic compound of barium and iodine?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of gallium and chlorine?
 
 
 
 

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6. What is the formula of an ionic compound of Al3+ and F−?
 
 
 
 

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7. What is the correct formula for an ionic compound of magnesium and arsenic?
 
 
 
 

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8. What is the correct formula for an ionic compound of indium and fluorine?
 
 
 
 

Question 8 of 10

9. What is the correct formula for an ionic compound of radium and bromine?
 
 
 
 

Question 9 of 10

10. What is the formula of an ionic compound of Al3+ and Se2−?
 
 
 
 

Question 10 of 10