Name: ______________________________ Date: ______________ Class: 1 2 3 4 5 6 7 8 9 Ionic Bonds Worksheet PART A – Valence Electrons and Charges: Complete the following table. Element Symbol Group Number of Valence Electrons Gain or Lose? Cation or Anion? Charge 1. Lithium 2. Iodine 3. Sulfur 4. Calcium 5. Nitrogen PART B – Charges: Write the charge that will form when the following elements become ions. 6. Na _____ 11. Ne _____ 16. B _____ 7. P _____ 12. H _____ 17. K _____ 8. Cl _____ 13. Mg _____ 18. N _____ 9. Ba _____ 14. Br _____ 19. O _____ _____ 15. Al _____ 20. Se _____ 10. F PART C – Ionic Bonding: Predict how the following pairs of elements will bond. 21. Ca + O ______________ 26. Al + O ______________ 22. Li + Br ______________ 27. Sr + N ______________ 23. Al + F ______________ 28. H + P ______________ 24. K + S ______________ 29. B + Cl ______________ 25. Ba + I ______________ 30. Cs + S ______________