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 Ra2+ and Cl−?
 
 
 
 

Question 1 of 10

2. What is the correct formula for an ionic compound of radium and chlorine?
 
 
 
 

Question 2 of 10

3. What is the formula of an ionic compound of Ga3+ and Te2−?
 
 
 
 

Question 3 of 10

4. What is the formula of an ionic compound of K+ and I−?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of aluminum and phosphorus?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of In3+ and N3−?
 
 
 
 

Question 6 of 10

7. What is the correct formula for an ionic compound of magnesium and tellurium?
 
 
 
 

Question 7 of 10

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

Question 8 of 10

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

Question 9 of 10

10. What is the formula of an ionic compound of Mg2+ and I−?
 
 
 
 

Question 10 of 10