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 Mg2+ and F−?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of In3+ and As3−?
 
 
 
 

Question 2 of 10

3. What is the correct formula for an ionic compound of radium and selenium?
 
 
 
 

Question 3 of 10

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

Question 4 of 10

5. What is the correct formula for an ionic compound of lithium and selenium?
 
 
 
 

Question 5 of 10

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

Question 6 of 10

7. What is the formula of an ionic compound of Ga3+ and As3−?
 
 
 
 

Question 7 of 10

8. What is the correct formula for an ionic compound of radium and nitrogen?
 
 
 
 

Question 8 of 10

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

Question 9 of 10

10. What is the formula of an ionic compound of Sr2+ and Te2−?
 
 
 
 

Question 10 of 10