Valence Electrons and Ions Practice

You will need a Periodic Table for these practice questions.

1. What is the symbol of a gallium ion?
 
 
 
 
 

Question 1 of 12

2. What is the symbol of a nitrogen ion?
 
 
 
 
 

Question 2 of 12

3. What is the symbol of a oxygen ion?
 
 
 
 
 

Question 3 of 12

4. What is the symbol for a hydrogen ion?
 
 
 
 
 

Question 4 of 12

5. How many occupied electron shells does sulfur have?
 
 
 
 
 

Question 5 of 12

6. How many occupied electron shells does potassium have?
 
 
 
 
 

Question 6 of 12

7. How many occupied electron shells does lead have?
 
 
 
 
 

Question 7 of 12

8. How many occupied electron shells does Plutonium have?
 
 
 
 
 

Question 8 of 12

9. How many valence electrons does a neutral atom of cesium have?
 
 
 
 
 

Question 9 of 12

10. How many valence electrons does a neutral atom of phosphorus have?
 
 
 
 
 

Question 10 of 12

11. How many valence electrons does a neutral atom of lithium have?
 
 
 
 
 

Question 11 of 12

12. How many valence electrons does a neutral atom of barium have?
 
 
 
 
 

Question 12 of 12