KEY first then BLANK PAGE
Answers to Writing Names and Formulas
Part 1
Part 2
1. NaF
2. Li2S
3. CaBr2
4. SrI2
5. K2O
6. Mg3N2
7. AgI
8. CdSe
9. Al2S3
10. LiBr
11. Na2O
12. BaS
13. AlN
14. BeO
15. Zn3P2
16. KCl
17. SO3
18. PCl5
19. N2O4
20. SiO2
1. Na2SO3
2. AlPO4
3. KHCO3
4. BeSO4
5. Li2CO3
6. NH4F
7. NaNO3
8. K2O2
9. CaCr2O7
10. MgSO3
11. MgSO2
12. SrSO4
13. Al(OH)3
14. Li3PO4
15. NaNO2
16. Ca(C2H3O2)2
17. (NH4)3PO4
18. Ba(CN)2
19. Ca(BrO2)2
20. Cd(ClO)2
1. beryllium fluoride
2. sodium iodide
3. aluminum bromide
4. radium nitride
5. potassium sulfide
6. strontium oxide
7. barium chloride
8. lithium oxide
9. sodium sulfide
10. silver selenide
11. carbon dioxide
12. dichlorine heptoxide
13. zinc phosphide
14. dinitrogen pentoxide
15. iodine trichloride
1. ammonium chloride
2. sodium sulfate
3. potassium nitrate
4. sodium acetate
5. magnesium hydroxide
6. aluminum nitrite
7. calcium sulfate
8. ammonium carbonate
9. rubidium dichromate
10. sodium perchlorate
11. hydrogen peroxide
12. calcium sulfite
13. zinc acetate
14. potassium chromate
15. calcium phosphate
Part 3
1. FeCl2
2. FeCl3
3. Cr2O3
4. HgS
5. Pb(ClO3)4
6. Co(ClO2)2
7. Cr(CN)6
8. Sn(OH)2
9. Fe2(Cr2O7)3
10. Ni(C2H3O2)3
1. nickel (II) fluoride
2. nickel (III) fluoride
3. copper (II) hypochlorite
4. lead (IV) acetate
5. iron (III) sulfide
6. chromium (II) oxide
7. mercury (I) chloride
8. manganese (IV) sulfate
9. chromium (VI) hyposulfite
10. cobalt (II) dichromate
Practice Writing Names and Formulas
for Chemical Compounds
Part 1: Simple Binary Compounds
Give the formulas for the following binary
compounds.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
sodium fluoride ___________
lithium sulfide ____________
calcium bromide __________
strontium iodide __________
potassium oxide __________
magnesium nitride __________
silver iodide __________
cadmium selenide __________
aluminum sulfide __________
lithium bromide __________
sodium oxide __________
barium sulfide __________
aluminum nitride __________
beryllium oxide __________
zinc phosphide __________
potassium chloride __________
sulfur trioxide __________
phosphorus pentachloride __________
dinitrogen tetroxide __________
silicon dioxide __________
Write the names for the following binary
compounds.
1.
BeF2 ______________________________________________________
________________________________________________________________
2.
4.
NaI __________________________________
____________________________________
AlBr3_________________________________
____________________________________
Ra3N2____________________________________________________
5.
K2S______________________________________________________
6.
SrO______________________________________________________
7.
BaCl2____________________________________________________
8.
Li2O_____________________________________________________
9.
Na2S_____________________________________________________
3.
________________________________________________________
______________________________________________________
______________________________________________________
________________________________________________________
_______________________________________________________
_______________________________________________________
10. Ag2Se_____________________________________________________
_______________________________________________________
11. CO2_______________________________________________________
_____________________________________________________
Name: ____________________________________
Date: ____________ Pd: _____ Gp: _____
12. Cl2O7______________________________________________________
______________________________________________________
13. Zn3P2______________________________________________________
______________________________________________________
14. N2O5______________________________________________________
______________________________________________________
15. ICl3________________________________________________________
____________________________________________________
Part 2: Compounds with Polyatomic Ions
Write the correct formulas for each of these
compounds.
1. sodium sulfite ___________
2. aluminum phosphate ___________
3. potassium bicarbonate (or potassium
hydrogen carbonate) ___________
4. beryllium sulfate___________
5. lithium carbonate ___________
6. ammonium fluoride___________
7. sodium nitrate___________
8. potassium peroxide___________
9. calcium dichromate ___________
10. magnesium sulfite ___________
11. magnesium hyposulfite ___________
12. strontium sulfate ___________
13. aluminum hydroxide ___________
14. lithium phosphate ___________
15. sodium nitrite ___________
16. calcium acetate ___________
17. ammonium phosphate ___________
18. barium cyanide ___________
19. calcium bromite ___________
20. cadmium hypochlorite ___________
Write the correct names for each of the following
compounds.
1. NH4Cl _________________________________
____________________________________
2. Na2SO4 ________________________________
____________________________________
3. KNO3 _________________________________
____________________________________
4. NaC2H3O2 ______________________________
____________________________________
5. Mg(OH)2 _______________________________
____________________________________
6. Al(NO2)3 _______________________________
____________________________________
7. CaSO4_________________________________
_____________________________________
8. (NH4)2CO3 ______________________________
____________________________________
9. Rb2Cr2O7 _______________________________
____________________________________
10. NaClO4 ________________________________
____________________________________
11. H2O2 __________________________________
____________________________________
12. CaSO3_________________________________
_ ____________________________________
13. Zn(C2H3O2)2_____________________________________________
_____________________________________________________________
14. K2CrO4 ________________________________
____________________________________
15. Ca3(PO4)2 ______________________________
____________________________________
Part 3: Compounds with Type II Cations
Write formulas for the following compounds
containing Type II (variable charge) cations.
1.
2.
3.
4.
5.
6.
7.
8.
9.
iron (II) chloride _________
iron (III) chloride ________
chromium (III) oxide ________
mercury (II) sulfide ________
lead (IV) chlorate _________
cobalt (II) chlorite _________
chromium (VI) cyanide ________
tin (II) hydroxide _______
iron (III) dichromate ________
nickel (III) acetate _________