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 gallium and sulfur?
 
 
 
 

Question 1 of 10

2. What is the formula of an ionic compound of Ra2+ and O2−?
 
 
 
 

Question 2 of 10

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

Question 3 of 10

4. What is the formula of an ionic compound of Na+ and F−?
 
 
 
 

Question 4 of 10

5. What is the correct formula for an ionic compound of francium and selenium?
 
 
 
 

Question 5 of 10

6. What is the formula of an ionic compound of Na+ and Cl−?
 
 
 
 

Question 6 of 10

7. What is the formula of an ionic compound of Ga3+ and P3−?
 
 
 
 

Question 7 of 10

8. What is the correct formula for an ionic compound of strontium and bromine?
 
 
 
 

Question 8 of 10

9. What is the formula of an ionic compound of Mg2+ and Cl−?
 
 
 
 

Question 9 of 10

10. What is the correct formula for an ionic compound of calcium and oxygen?
 
 
 
 

Question 10 of 10