Valence Electrons and Ions Practice You will need a Periodic Table for these practice questions. 1. What is the symbol for a hydrogen ion? Question 1 of 12 Loading… 2. What is the symbol of a phosphorus ion? Question 2 of 12 Loading… 3. What is the symbol of a sulfur ion? Question 3 of 12 Loading… 4. What is the symbol for a beryllium ion? Question 4 of 12 Loading… 5. How many occupied electron shells does boron have? 4 3 6 1 2Question 5 of 12 Loading… 6. How many occupied electron shells does polonium have? 7 6 4 1 5Question 6 of 12 Loading… 7. How many occupied electron shells does tellurium have? 3 7 5 2 1Question 7 of 12 Loading… 8. How many occupied electron shells does Plutonium have? 3 6 7 5 4Question 8 of 12 Loading… 9. How many valence electrons does a neutral atom of cesium have? 1 8 7 6 4Question 9 of 12 Loading… 10. How many valence electrons does a neutral atom of argon have? 8 3 2 5 6Question 10 of 12 Loading… 11. How many valence electrons does a neutral atom of tellurium have? 1 2 5 6 4Question 11 of 12 Loading… 12. How many valence electrons does a neutral atom of potassium have? 5 4 7 1 3Question 12 of 12 Loading… Loading…