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 radium and phosphorus?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of Li+ and O2−?
 
 
 
 

Question 2 of 10

3. What is the formula of an ionic compound of Mg2+ and P3−?
 
 
 
 

Question 3 of 10

4. What is the correct formula for an ionic compound of aluminum and sulfur?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of beryllium and nitrogen?
 
 
 
 

Question 5 of 10

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

Question 6 of 10

7. What is the correct formula for an ionic compound of strontium and sulfur?
 
 
 
 

Question 7 of 10

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

Question 8 of 10

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

Question 9 of 10

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

Question 10 of 10