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 indium and iodine?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of K+ and N3−?
 
 
 
 

Question 2 of 10

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

Question 3 of 10

4. What is the correct formula for an ionic compound of rubidium and selenium?
 
 
 
 

Question 4 of 10

5. What is the formula of an ionic compound of Ra2+ and Te2−?
 
 
 
 

Question 5 of 10

6. What is the correct formula for an ionic compound of francium and sulfur?
 
 
 
 

Question 6 of 10

7. What is the correct formula for an ionic compound of calcium and iodine?
 
 
 
 

Question 7 of 10

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

Question 8 of 10

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

Question 9 of 10

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

Question 10 of 10