Predict Whether Each Compound Is Ionic (Metal + Nonmetal Or Polyatomic Ion) Or Covalent

Chemical Bonding Mixed Practice

Predict whether each compound is ionic (metal + nonmetal or polyatomic ion) or covalent (nonmetal + nonmetal). Write “I” for Ionic and “C” for Covalent.

1. NH3 ______6. LiOH ______

2. K2CO3 ______7. NaBr ______

3. Al2S3 ______8. CH2F2 ______

4. CCl4 ______9. KC2H3O2 ______

5. K3N ______10. NH4Cl ______

Indicate whether each statement pertains to an ionic compound or a covalent compound. Write “I” for Ionic and “C” for Covalent.

11. ______metal + nonmetal

12. ______opposite charges attract to bond atoms together

13. ______involves a sharing of electrons

14. ______chemical formulas are in the simplest, reduced form

15. ______formulas represent the exact number of atoms bonded

16. ______nonmetal + nonmetal

17. ______involves a transfer of electrons

Each of the following formulas or chemical names contains an error. Write the correct formula or name on the line next to each.

18. Al3O2 18. ______

19. carbon chloride 19. ______

20. barium dichloride 20. ______

21. BeNO32 21. ______

22. monocarbon dioxide 22. ______

23. Ca2O2 23. ______

24. magnesium dihydroxide 24. ______

25. lithium chlorine 25. ______

Chemical Formulas and Naming Mixed Practice

To the left of each number, write “I” if the compound is ionic and “C” if it is covalent. Then write the formula or name for each of the following compounds.

Helpful Hint: Start by completing all of one kind of compound first and then switch and complete the remaining type.

______1. magnesium oxide 1. ______

______2. P2O5 2. ______

______3. H2S 3. ______

______4. sodium nitride 4. ______

______5. Al2O3 5. ______

______6. NaHCO3 6. ______

______7. potassium carbonate 7. ______

______8. N2O3 8. ______

______9. PCl3 9. ______

______10. barium sulfide 10. ______

______11. Na2CO3 11. ______

______12. SF6 12. ______

______13. nitrogen triiodide 13. ______

______14. sodium chlorate 14. ______

______15. ammonium sulfate 15. ______

______16. BaSO3 16. ______

______17. iodine monochloride 17. ______

______18. dinitrogen tetroxide 18. ______

______19. S4N2 19. ______

______20. strontium phosphate 20. ______