P OLYATOMIC I ONS - P RACTICE
acetate
ammonium
carbonate
chlorate
chlorite
chromate
cyanide
(C2H3O2) -1
(NH4) +1
(CO3) –2
(ClO3) -1
(ClO2) -1
(CrO4) -2
(CN) -1
(Cr2O7) -2
dichromate
Hydrogen
carbonate
(bicarbonate)
hydroxide
hypochlorite
nitrate
nitrite
perchlorate
permanganate
phosphate
phosphite
Sulfate
sulfite
thiocyanate
(HCO3) -1
(OH) -1
(ClO) -1
(NO3) -1
(NO2) -1
(ClO4) -1
(MnO4) -1
(PO4) -3
(PO3) -3
(SO4) -2
(SO3) -2
(SCN) -1
The following are names of compounds containing at least one polyatomic ion. Write the correct
chemical formula for each.
1. Calcium acetate
___________
7. Barium hydroxide
___________
2. Ammonium phosphate
___________
8. Copper (I) sulfite
___________
3. Potassium sulfate
___________
9. Mercury (II) hydroxide
___________
4. Aluminum nitrate
___________
10. Chromium (II) acetate
___________
5. Copper (II) chlorate
___________
11. Tin (IV) hydrogen carbonate ___________
6. Iron (III) phosphate
___________
Write the correct name for each of these compounds:
12. Fe(OH)2
________________________
22. Ag3PO4
________________________
13. (NH4)3PO4
________________________
23. Hg(ClO3)2
________________________
14. AlPO4
________________________
24. P2O3
________________________
15. Na3PO3
________________________
25. K2SO3
________________________
16. Cu(C2H3O2)2 ________________________
26. MgCl2
________________________
17. CaCO3
________________________
27. ZnF2
________________________
18. Fe2O3
________________________
28. MgSO4
________________________
19. FeO
________________________
29. CaCO3
________________________
20. NH4OH
________________________
30. NaOH
________________________
21. Si(SO4)2
________________________
31. NH4NO3
________________________
Nomenclature is fun! I
can’t wait for the quiz!
I will ACE
this quiz!
Moi aussi!
Me too!
P OLY A TOMIC I ONS - ANSWERS
1. Calcium acetate
Ca(C2H3O2)2
2. Ammonium phosphate
(NH4)3PO4
3. Potassium sulfate
K2SO4
4. Aluminum nitrate
Al(NO3)3
5. Copper (II) chlorate
Cu(ClO3)2
6. Iron (III) phosphate
FePO4
7. Barium hydroxide
Ba(OH)2
8. Copper (I) sulfite
Cu2SO3
9. Mercury (II) hydroxide
Hg(OH)3
10. Chromium (II) acetate
Cr(C2H3O2)2
11. Tin (IV) hydrogen carbonate Sn(HCO3)4
12. Fe(OH)2
Iron (II) hydroxide
13. (NH4)3PO4
Ammonium phosphate
14. AlPO4
Aluminum phosphate
15. Na3PO3
Sodium phosphite
16. Cu(C2H3O2)2
Copper (II) acetate
17. CaCO3
Calcium carbonate
18. Fe2O3
Iron (III) oxide
19. FeO
Iron (II) oxide
20. NH4OH
Ammonium hydroxide
21. Si(SO4)2
Silicon sulfate
22. Ag3PO4
Silver phosphate
23. Hg(ClO3)2
Mercury (II) chlorate
24. P2O3
Phosphorus (III) oxide
25. K2SO3
Potassium sulfite
26. MgCl2
Magnesium chloride
27. ZnF2
Zinc fluoride
28. MgSO4
Magnesium sulfate
29. CaCO3
Calcium carbonate
30. NaOH
Sodium hydroxide
31. NH4NO3
Ammonium nitrate