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 formula of an ionic compound of B3+ and S2−?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of Al3+ and I−?
 
 
 
 

Question 2 of 10

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

Question 3 of 10

4. What is the correct formula for an ionic compound of gallium and tellurium?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of cesium and oxygen?
 
 
 
 

Question 5 of 10

6. What is the correct formula for an ionic compound of strontium and tellurium?
 
 
 
 

Question 6 of 10

7. What is the formula of an ionic compound of In3+ and Cl−?
 
 
 
 

Question 7 of 10

8. What is the formula of an ionic compound of Be2+ and N3−?
 
 
 
 

Question 8 of 10

9. What is the formula of an ionic compound of Rb+ and As3−?
 
 
 
 

Question 9 of 10

10. What is the correct formula for an ionic compound of cesium and iodine?
 
 
 
 

Question 10 of 10