Oxidation Numbers of Main-Group Elements

Quiz on oxidation states/charges of common main-group cations and anions.

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1. What is the common oxidation number of Iodide (I⁻)?

2. What is the common oxidation number of Bromide (Br⁻)?

3. What is the common oxidation number of Sulfide (S²⁻)?

4. What is the common oxidation number of Calcium (Ca)?

5. What is the common oxidation number of Sodium (Na)?

6. What is the common oxidation number of Nitride (N³⁻)?

7. What is the common oxidation number of Strontium (Sr)?

8. What is the common oxidation number of Magnesium (Mg)?

9. What is the common oxidation number of Lithium (Li)?

10. What is the common oxidation number of Cesium (Cs)?

11. What is the common oxidation number of Aluminum (Al)?

12. What is the common oxidation number of Phosphide (P³⁻)?

13. What is the common oxidation number of Potassium (K)?

14. What is the common oxidation number of Fluoride (F⁻)?

15. What is the common oxidation number of Rubidium (Rb)?

16. What is the common oxidation number of Barium (Ba)?

17. What is the common oxidation number of Oxide (O²⁻)?

18. What is the common oxidation number of Chloride (Cl⁻)?

19. What is the common oxidation number of Beryllium (Be)?