Valence Electrons and Ions Practice You will need a Periodic Table for these practice questions. 1. What is the symbol for a rubidium ion? Question 1 of 12 Loading… 2. What is the symbol for a lithium ion? Question 2 of 12 Loading… 3. What is the symbol of a chlorine ion? Question 3 of 12 Loading… 4. What is the symbol of a boron ion? Question 4 of 12 Loading… 5. How many occupied electron shells does nickel have? 4 2 7 5 6Question 5 of 12 Loading… 6. How many occupied electron shells does manganese have? 7 6 1 4 2Question 6 of 12 Loading… 7. How many occupied electron shells does nitrogen have? 5 3 4 6 2Question 7 of 12 Loading… 8. How many occupied electron shells does lead have? 1 4 3 2 6Question 8 of 12 Loading… 9. How many valence electrons does a neutral atom of potassium have? 7 6 3 1 8Question 9 of 12 Loading… 10. How many valence electrons does a neutral atom of germanium have? 1 2 7 3 4Question 10 of 12 Loading… 11. How many valence electrons does a neutral atom of hydrogen have? 3 1 6 2 4Question 11 of 12 Loading… 12. How many valence electrons does a neutral atom of helium have? 5 7 8 4 1Question 12 of 12 Loading… Loading…