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2 CHEMISTRY 505 ALLIED HEALTH CHEMISTRY II SYLLABUS SUMMER

Oxidation Numbers and Ionic Compounds

Name: ________________________

Hour: ____ Date: ___________

Chemistry: Oxidation Numbers and Ionic Compounds

Write the correct formula for the compound formed by each of the following pairs of ions.

1. Na¹⁺ F^1- 1. ______________________

2. K¹⁺ S^2- 2. ______________________

3. Ni²⁺ SO₄^2- 3. ______________________

4. Al³⁺ O^2- 4. ______________________

5. Ca²⁺ ClO₃^1- 5. ______________________

6. NH₄¹⁺ P^3- 6. ______________________

7. Cu¹⁺ NO₃^1- 7. ______________________

8. Cu²⁺ NO₃^1- 8. ______________________

9. Pb⁴⁺ O^2- 9. ______________________

10. Li¹⁺ CO₃^2- 10. ______________________

For each of the following compounds, write… A) the symbols of the ions in the compound , and B) the number of each ion in one molecule of that compound.

11. CaI₂ 11. ______________________

12. Na₂CO₃ 12. ______________________

13. Ga(ClO₃)₃ 13. ______________________

14. CuF₂ 14. ______________________

15. (NH₄)₃PO₄ 15. ______________________

16. FeSO₄ 16. ______________________

17. Mg(NO₃)₂ 17. ______________________

18. NH₄NO₂ 18. ______________________

19. KC₂H₃O₂ 19. ______________________

20. Na₂Cr₂O₇ 20. ______________________

KEY

Chemistry: Oxidation Numbers and Ionic Compounds

Write the correct formula for the compound formed by each of the following pairs of ions.

1. Na¹⁺ F^1- 1. NaF

2. K¹⁺ S^2- 2. K₂S

3. Ni²⁺ SO₄^2- 3. NiSO₄

4. Al³⁺ O^2- 4. Al₂O₃

5. Ca²⁺ ClO₃^1- 5. Ca(ClO₃)₂

6. NH₄¹⁺ P^3- 6. (NH₄)₃P

7. Cu¹⁺ NO₃^1- 7. CuNO₃

8. Cu²⁺ NO₃^1- 8. Cu(NO₃)₂

9. Pb⁴⁺ O^2- 9. PbO₂

10. Li¹⁺ CO₃^2- 10. Li₂CO₃

For each of the following compounds, write… A) the symbols of the ions in the compound , and B) the number of each ion in one molecule of that compound.

11. CaI₂ 11. Ca²⁺ 2 I^1-

12. Na₂CO₃ 12. 2 Na¹⁺ CO₃^2-

13. Ga(ClO₃)₃ 13. Ga³⁺ 3 ClO₃^1-

14. CuF₂ 14. Cu²⁺ 2 F^1-

15. (NH₄)₃PO₄ 15. 3 NH₄¹⁺ PO₄^3-

16. FeSO₄ 16. Fe²⁺ SO₄^2-

17. Mg(NO₃)₂ 17. Mg²⁺ 2 NO₃^1-

18. NH₄NO₂ 18. NH₄¹⁺ NO₂^1-

19. KC₂H₃O₂ 19. K¹⁺ C₂H₃O₂^1-

20. Na₂Cr₂O₇ 20. 2 Na¹⁺ Cr₂O₇^2-

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Tags: chemistry, oxidation