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