Polyatomic Ions printable pdf download

Polyatomic Ions

Name:_________________________________

Use your reference table

-Using the reference table, the names and charges of each polyatomic ion can be

found.

-Make sure you correctly spell each of the names.

-Make sure you look up the charges before writing formulas.

Polyatomic Ions: Treat them as a unit. Use table E to look them up, see their charge,

and help with naming. Keep parentheses around them when writing subscripts.

POLYATOMIC IONS:

A. Name the following compounds containing polyatomic ions. Use table E.

1. Na

_______________________2. KMnO

__________________________

3. H

________________________4. KCN_____________________________

5. NaOH________________________ 6. Ca(OH)

__________________________

B. Write the correct formula for the following compounds.

-Make sure you look up oxidation states of the positive ion and of the negative ion first.

7. Calcium carbonate:________________________________

8. Hydrogen sulfate:__________________________________

9. Sodium thiosulfate:_________________________________

10. Potassium dichromate:______________________________

11. Magnesium phosphate:______________________________

12. Zinc hydroxide: ____________________________________

13. Ammonium chloride: ________________________________

Polyatomic Ions