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Worksheets

Formula Writing

Total questions: 8

Worksheet time: 24mins

Name
Class
Date
1.

What's the chemical formula for magnesium iodide?

a)

MgI2

b)

Mg2+I-

c)

Mg2I

d)

MgI

2.

What's the chemical formula for lithium oxide?

a)

LiO

b)

Li2O

c)

LiO2

d)

Li+O2-

3.

Which of the following is the correct chemical formula for aluminum sulfide?

a)

Al3+S2-

b)

2Al3S

c)

Al2S3

d)

Al3S2

4.

What is the correct chemical formula for ammonium oxide? 

a)

NH4O

b)

(NH4)2O

c)

NH42O

d)

NH4O2

5.

The correct chemical formula for aluminum carbonate is _______.

a)

2Al3+3CO32-

b)

2Al3CO3

c)

Al3(CO3)2

d)

Al2(CO3)3

6.

Which of the following is the correct chemical formula for copper (II) sulfate?

a)

CuSO₄

b)

Cu(SO4)2

c)

CuS

d)

Cu2S

7.

Lead (IV) sulfite has the chemical formula _______.

a)

PbSO3

b)

Pb(SO4)2

c)

Pb2(SO3)4

d)

Pb(SO3)2

8.

Match each name to a chemical formula​

a)

diphosphorous pentoxide

1.

P2O5

b)

sulfur hexachloride

2.

SCl6

c)

dinitrogen monoxide

3.

N2O

d)

bromine pentachloride

4.

BrCl5

e)

boron dioxide

5.

BO2