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Chemical Formulas Containing Polyatomic Ions
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Arrange these lists across the top of your computer screen in this order: from left to right - cations and polyatomic ions. The information needed to write these formulas is on those lists.

Write the chemical formula for each of the following combinations:
1. cadmium (II) ion + chlorite ion         __________

2. lithium ion + chromate ion         __________

3. lead (II) ion + hypochlorite ion         __________

4. chromium (III) ion + hydrogen carbonate ion   _______

5. ammonium ion + cyanide ion         __________

6. zinc ion + nitrate ion         __________

7. aluminum ion + nitrite ion         __________

8. magnesium ion + acetate ion         __________

9. strontium ion + hydroxide ion         __________

10. hydrogen ion + peroxide ion         __________

11. mercury (II) ion + carbonate ion         __________

12. mercury (I) ion + carbonate ion         __________

13. ammonium ion + hydroxide ion         __________

14. chromimum (III) ion + dihydrogen phosphate ion   _______

15. iron (II) ion + phosphate ion         __________

16. iron (III) ion + phosphate ion         __________

17. manganese (II) ion + perchlorate ion         __________

18. silver ion + sulfite ion         __________

19. copper (I) ion + chlorate ion         __________

20. nickel (II) ion + dichromate ion         __________

 

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Jim Askew  

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