CHEM 1001 Answers Name: ____________________

Module Four: Part E Polyatomic Ions 5 points

Using a periodic chart write the names or formulas of the following polyatomic ions depending on whether the formula or name is given:

1. CO₃^2- ___carbonate_______

2. SO₃^2- ___sulfite__________

3. PO₃^3- ____phosphite_______

4. ClO₃^1- ____chlorate_________

5. NO₃^1- _____nitrate__________

6. Hydroxide __OH ^1-____

7. Ammonium __NH₄ ¹⁺___

8. Hypochlorite __ClO ^1-___

9. Nitrite __NO₂ ^1-___

10. Phosphate __PO₄ ^3-__

Bonus: Write formula, name, and charge for any polyatomic ion not above: