Formulas and Nomenclature Review Exercise                     Name:  Answer key

 

Part 1: Identify the following compounds as acids (A), ionic (I) or molecular (M) compounds and then name them.

01. H2SO3 (aq)

Sulfurous acid                            

02. Pb(NO3)2

Lead (II) nitrate                           

I

03. SnI4

Tin (IV) iodide                           

I

04. Ag3

Silver nitride                           

I

05. Mg(NO2)2

Magnesium nitrite                            

I

06. LiOH 

Lithium hydroxide                           

I

07. Fe(OH)2

Iron (II) hydroxide                           

08. HI(aq)  

Hydriodic acid                           

I

09. H3BrO3

Hydrogen bromate                           

I

10. PbO2

Lead (IV) oxide                             

I

11. HgCr2O7

Mercury (II) dichromate                           

12. HF (aq)

Hydrofluoric acid                           

I

13. Co2(SO4)3

Cobalt (III) sulfate                           

14. CCl4

Carbon tetrachloride

I

15. (NH4)2CO3

Ammonium carbonate                           

I

16. AgMnO4

Silver permanganate                           

17. P2Cl5

diphosphorus pentachloride                           

18.  CO

Carbon monoxide                            

I

19.  SnSO3

Tin (II) sulfite                           

I

20.  BeO2

Beryllium peroxide

I

21.  Pb(SO3)2

Lead (IV) sulfite                           

22. HIO (aq) 

Hypoiodous acid                           

 

Part 2: Identify the following compounds as acids (A), ionic (I) or molecular (M) compounds and then write the formulas.

I

01. Iron(II) oxide

FeO

I

02. lithium sulfate 

Li2SO4

A

03. perchloric acid 

HClO4 (aq)

I

04. cuprous sulfate

Cu2SO4

I

05. ammonium phosphate

(NH4) 3PO4

I

06. chromium(III) acetate 

Cr(C2H3O2) 3

M

07. nitrogen triiodide

NI3

A

08. chlorous acid

HClO2 (aq)

M

09. sulfur dioxide 

SO2

I

10. sodium phosphide

Na3P

A

11. hypochlorous acid

HClO (aq)

M 

12. hydrogen nitride

H3N

I

13. mercury (II) peroxide

HgO2

I

14. hydrogen cyanide

HCN

I

15. barium phosphite

Ba3(PO3) 2

M

16. nitrogen dioxide

NO2

I

17. beryllium hypochlorite

Be(ClO) 2

I

18. mercury (II) perchlorate

Hg(ClO4) 2

I

19. copper(I) carbonate

Cu2CO3

I

20. sodium peroxide

Na2O2

I

21. lead(II) hydride

PbH2

I

22. chromium (III) bromate

CrBrO3