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 cesium and iodine?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of K+ and Te2−?
 
 
 
 

Question 2 of 10

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

Question 3 of 10

4. What is the formula of an ionic compound of Al3+ and S2−?
 
 
 
 

Question 4 of 10

5. What is the formula of an ionic compound of Ga3+ and S2−?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of Rb+ and P3−?
 
 
 
 

Question 6 of 10

7. What is the correct formula for an ionic compound of francium and oxygen?
 
 
 
 

Question 7 of 10

8. What is the correct formula for an ionic compound of barium and phosphorus?
 
 
 
 

Question 8 of 10

9. What is the formula of an ionic compound of In3+ and S2−?
 
 
 
 

Question 9 of 10

10. What is the formula of an ionic compound of Li+ and N3−?
 
 
 
 

Question 10 of 10