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Worksheets

Writing Chemical Formula Level 3

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

What is the chemical formula of Magnesium chloride?

a)

MgCl

b)

MgCl2

c)

MgC

d)

MgC2

2.

What is the formula of Copper (II) oxide?

a)

CUO

b)

CuO

c)

CuO2

d)

Cu2O

3.

Formula of compound formed between Sodium and Oxygen

a)

Na₂O

b)

NaO

c)

NaO

d)

NA₂O

4.

Formula of compound formed between Calcium and Oxygen

a)

Ca₂O₂

b)

CaO

c)

Ca₂O

d)

CaO

5.

Formula of compound formed between Aluminium and Fluorine

a)

AlF

b)

AlF

c)

Al₃F

d)

AlF

6.

Formula of compound formed between Aluminium and Sulfur

a)

Al₂S₃

b)

AlS

c)

Al₂S

d)

Al₂S₂

7.

Name of compound formed between Aluminium and Sulfur

a)

Aluminium sulfide

b)

Aluminium sulfite

c)

Aluminium sulfate

8.

Name of compound formed between Zinc and nitrogen

a)

Zinc nitrate

b)

Zinc nitrite

c)

Zinc nitride

9.

Formula of compound formed between Lithium and Nitrogen

a)

Li₃N

b)

LiN

c)

LiN

d)

LiN

10.

Formula of compound formed between Barium and Sulfur

a)

BaS

b)

BaS

c)

Ba₂S

d)

Ba₂S₂

11.

Magnesium Nitrate

a)

Mg(NO3)2

b)

Mg (NO3)3

c)

Mg (NO3)

12.

Calcium Hydroxide

a)

Ca(OH)

b)

CaH2

c)

Ca(OH)2

13.

What is the chemical formula of carbon monoxide?

a)

CO2

b)

CO

c)

C2O

d)

CO32-

14.

What is the chemical formula of sulfur dioxide?

a)

SO2

b)

SO

c)

S2O

d)

SO42-

15.

What is the chemical formula of copper(II) chloride?

a)

CuCl2

b)

CuCl

c)

Cu2Cl

16.

What is the chemical name of Fe2O3?

a)

iron oxide

b)

iron(II) oxide

c)

iron(III) oxide

17.

What is the chemical formula of potassium carbonate?

a)

(K)2CO3

b)

K2CO3

c)

K(CO3)2

d)

KCO3

18.

What is the chemical formula of barium hydroxide?

a)

Ba(OH)2

b)

BaOH2

c)

BaOH

d)

Ba2OH

19.

What is the chemical formula of lead(II) hydroxide?

a)

PbOH

b)

Pb2OH

c)

Pb(OH)2

d)

PbOH2

20.

What is the chemical formula of aluminium sulfate?

a)

AlSO4

b)

Al(SO4)3

c)

Al2(SO4)3

d)

Al2SO4

21.

What is the chemical formula of ammonium nitrate?

a)

NH4(NO3)2

b)

(NH4)2NO3

c)

(NH4)2(NO3)3

d)

NH4NO3

22.

Ammonium Ion

a)

NH3

b)

NH3+

c)

NH4+

d)

NH4

23.

Sulfate Ion

a)

SO42-

b)

S2-

c)

SO43-

d)

SO32-

24.

Carbonate Ion

a)

CO32-

b)

CO23-

c)

CO22-

d)

CO33-

25.

Nitrate Ion

a)

NO32-

b)

NO3-

c)

NO2-

d)

NO3-

26.

Hydroxide Ion

a)

OH2-

b)

OH-

c)

O2H-

d)

OH2-