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 aluminum and chlorine?
 
 
 
 

Question 1 of 10

2. What is the correct formula for an ionic compound of radium and sulfur?
 
 
 
 

Question 2 of 10

3. What is the correct formula for an ionic compound of gallium and fluorine?
 
 
 
 

Question 3 of 10

4. What is the formula of an ionic compound of Al3+ and Br−?
 
 
 
 

Question 4 of 10

5. What is the formula of an ionic compound of Ga3+ and N3−?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of Ra2+ and S2−?
 
 
 
 

Question 6 of 10

7. What is the formula of an ionic compound of K+ and I−?
 
 
 
 

Question 7 of 10

8. What is the correct formula for an ionic compound of francium and selenium?
 
 
 
 

Question 8 of 10

9. What is the formula of an ionic compound of Ra2+ and Br−?
 
 
 
 

Question 9 of 10

10. What is the formula of an ionic compound of Sr2+ and Br−?
 
 
 
 

Question 10 of 10