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 nitrogen?
 
 
 
 

Question 1 of 10

2. What is the correct formula for an ionic compound of lithium and iodine?
 
 
 
 

Question 2 of 10

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

Question 3 of 10

4. What is the correct formula for an ionic compound of strontium and nitrogen?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of radium and oxygen?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of Ga3+ and Br−?
 
 
 
 

Question 6 of 10

7. What is the correct formula for an ionic compound of indium and nitrogen?
 
 
 
 

Question 7 of 10

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

Question 8 of 10

9. What is the correct formula for an ionic compound of boron and sulfur?
 
 
 
 

Question 9 of 10

10. What is the formula of an ionic compound of K+ and Se2−?
 
 
 
 

Question 10 of 10