CHM 1025 Module Four Sample Exam Answers

 

Module Four: Part E    Polyatomic Ions                 10 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.   CO32-       ___carbonate_______

 

2.   SO32-       ___sulfite__________

 

3.   PO33-     ____phosphite_______

 

4.   ClO31-     ____chlorate_________

 

5.   NO31-     _____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: