Chemistry

Practice Finding Name and Formula

 

1.  Which of the following are ionic compounds?  Which are covalent compounds?  Name each compound.

#

Formula

Ionic or Covalent?

NAME

a)

MgF2

 

 

b)

CCl4

 

 

c)

NaC2H3O2

 

 

d)

Fe(NO3)3

 

 

e)

CoPO4

 

 

f)

Al2S3

 

 

g)

HCl

 

 

h)

(NH4)2CO3

 

 

 

2.  Name the following ionic compounds:

 

      a)  Na2SO4                                                             b)  K2S

 

c)  CuNO3                                                             d)  Ba3(PO4)2

 

 

3.  Give the formulas for the following ionic compounds:

 

      a)  aluminum hydroxide                                        b)  iron (III)  nitride

 

c)  magnesium phosphate                                      d)  ammonium sulfate

 

e)  silver carbonate                                                f)  manganese (II) nitrate

 

 

4.  Give the formulas for the following covalent compounds:

 

      a)  sulfur trioxide                                                  b)  hydrobromic acid

 

      c)  carbonic acid                                                    d)  dinitrogen tetrachloride

 

5.  Fill in the following table:

 

 

Name

Formula

1

 

KCl

2

 

Co(OH)2

3

 

SO2

4

 

Fe3(PO42

5

 

HC2H3O2

6

 

Li2S

7

ammonium carbonate

 

8

dinitrogen tetroxide

 

9

silver sulfate

 

10

magnesium nitrate

 

11

copper(II) bicarbonate

 

12

aluminum phosphide

 

 


 

 

 

Answers to Practice Finding Name and Formula

 

1.  Which of the following are ionic compounds?  Which are covalent compounds?  Name each compound.

#

Formula

Ionic or Covalent?

NAME

a)

MgF2

I

magnesium fluoride

b)

CCl4

C

carbon tetrachloride

c)

NaC2H3O2

I

sodium acetate

d)

Fe(NO3)3

I

iron (III) nitrate

e)

CoPO4

I

cobalt (III) phosphate

f)

Al2S3

I

aluminum sulfide

g)

HCl

C

hydrochloric acid

h)

(NH4)2CO3

I

ammonium carbonate

 

2.  Name the following ionic compounds:

 

      a)  Na2SO4             sodium sulfate                         b)  K2S                        potassium sulfide

 

c)  CuNO3             copper(I) nitrate                      d)  Ba3(PO4)2               barium phosphate

 

 

3.  Give the formulas for the following ionic compounds:

 

      a)  aluminum hydroxide         Al(OH)­3                 b)  iron (III)  nitride           FeN

 

c)  magnesium phosphate      Mg3(PO4)2               d)  ammonium sulfate       (NH4)2SO4

 

e)  silver carbonate                 Ag2CO3                  f)  manganese (II) nitrate    Mn(NO3)2

 

 

4.  Give the formulas for the following covalent compounds:

 

      a)  sulfur trioxide              SO3                              b)  hydrobromic acid               HBr

 

      c)  carbonic acid                H2CO3                         d)  dinitrogen tetrachloride     N2Cl4

 

5.  Answers in Red

 

Name

Formula

1

Potassium chloride

KCl

2

Cobalt(II) hydroxide

Co(OH)2

3

Sulfur dioxide

SO2

4

Iron(II) phosphate

Fe3(PO42

5

Acetic acid

HC2H3O2

6

Lithium sulfide

Li2S

7

ammonium carbonate

(NH4)2CO3

8

dinitrogen tetroxide

N2O4

9

silver sulfate

Ag2SO­4

10

magnesium nitrate

Mg(NO32

11

copper(II) bicarbonate

Cu(HCO3)2

12

aluminum phosphide

AlP