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 iodine?
 
 
 
 

Question 1 of 10

2. What is the correct formula for an ionic compound of francium and tellurium?
 
 
 
 

Question 2 of 10

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

Question 3 of 10

4. What is the correct formula for an ionic compound of potassium and sulfur?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of magnesium and chlorine?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of H+ and As3−?
 
 
 
 

Question 6 of 10

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

Question 7 of 10

8. What is the formula of an ionic compound of K+ and O2−?
 
 
 
 

Question 8 of 10

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

Question 9 of 10

10. What is the correct formula for an ionic compound of boron and selenium?
 
 
 
 

Question 10 of 10