CHEM 1001/CHM 1020/ Chm1025C/CHM1032C Name:________

Module 4 Sample Pretest

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- _____________________

2. SO₃^2- _____________________

3. PO₃^3- _____________________

4. ClO₃^1- _____________________

5. NO₃^1- _____________________

6. Hydroxide ________

7. Ammonium ________

8. Hypochlorite ________

9. Nitrite ________

10. Phosphate ________

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