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 Na+ and N3−?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of Ca2+ 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 formula of an ionic compound of Ra2+ and Br−?
 
 
 
 

Question 5 of 10

6. What is the correct formula for an ionic compound of barium and selenium?
 
 
 
 

Question 6 of 10

7. What is the formula of an ionic compound of In3+ and Se2−?
 
 
 
 

Question 7 of 10

8. What is the correct formula for an ionic compound of strontium and arsenic?
 
 
 
 

Question 8 of 10

9. What is the correct formula for an ionic compound of radium and fluorine?
 
 
 
 

Question 9 of 10

10. What is the correct formula for an ionic compound of calcium and sulfur?
 
 
 
 

Question 10 of 10