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 correct formula for an ionic compound of francium and oxygen?
 
 
 
 

Question 2 of 10

3. What is the correct formula for an ionic compound of boron and tellurium?
 
 
 
 

Question 3 of 10

4. What is the formula of an ionic compound of Ga3+ and I?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of barium and iodine?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of Ra2+ and I?
 
 
 
 

Question 6 of 10

7. What is the formula of an ionic compound of Na+ and As3−?
 
 
 
 

Question 7 of 10

8. What is the formula of an ionic compound of Ba2+ and P3−?
 
 
 
 

Question 8 of 10

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

Question 9 of 10

10. What is the correct formula for an ionic compound of gallium and fluorine?
 
 
 
 

Question 10 of 10