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Worksheets

Chemical Formula

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

How many sulfur atoms are found in one molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

2.

Which of the following accurately describes the chemical formula of the molecule shown above?

a)

3CH8O

b)

C3H7O

c)

C4H8O2

d)

C3H8O

3.

The formula of copper(II) oxide is

a)

CuO

b)

Cu2O

c)

CuO2

d)

Cu2O

4.

The formula of nitric acid is

a)

HNO3

b)

H2NO3

c)

HNO4

d)

H2NO3

5.

The formula of iron(III) hydroxide is

a)

Fe(OH)

b)

FeOH2

c)

Fe3OH

d)

Fe(OH)3

6.

The formula of calcium nitrate is

a)

CaN

b)

CaNO3

c)

Ca(NO)3

d)

Ca(NO3)2

7.

The formula of sodium carbonate is

a)

NaCO3

b)

Na(CO3)2

c)

Na2CO3

d)

NaCO3

8.

The formula of iron(II) chloride is

a)

FeCl2

b)

FeCl

c)

Fe2Cl

d)

Fe(Cl)2

9.

The name of Cu(OH)2 is

a)

copper hydroxide

b)

copper(I) hydroxide

c)

copper(II) hydroxide

d)

copper hydroxide(II)

10.

The formula of potassium sulfate is

a)

KSO4

b)

K2SO4

c)

K(SO4)2

d)

K2(SO4)3

11.
HCl represents 
a)

hydrogen chlorine

b)

hydrogen chloride

c)

nitric acid

d)

hydrogen chlorate

12.

What is the chemical formula of zinc fluoride?

a)

Zn(F)2

b)

ZnF2

c)

Zn2F

d)

ZnF

13.

What is the chemical formula of potassium iodide?

a)

KI2

b)

PI

c)

KI

d)

PI2

14.

What is the chemical formula of ammonium sulfate?

a)

NH4SO4

b)

(NH4)2SO4

c)

NH2SO4

d)

NH4(SO4)2

15.

What is the chemical formula for aluminium oxide?

a)

AlO

b)

AlO2

c)

AlO4

d)

Al2O3

16.

What is the chemical formula for lead(II) nitrate?

a)

PB(NO3)2

b)

Pb(NO3)

c)

Pb(NO3)2

d)

Pb2(NO3)

17.

What is the chemical formula of calcium nitride?

a)

CaN

b)

CaNO3

c)

Ca3N2

d)

Ca(NO3)2

18.

What is the correct name for Cr(OH)₂?

a)

chromium(II) hydroxide

b)

chromium dihydroxide

c)

chromium(I) hydroxide

d)

chromium hydroxide

19.

What is the correct name for Pb3(PO4)2?

a)

lead phosphide

b)

lead(III) phosphate

c)

lead phosphate(II)

d)

lead(II) phosphate

20.

What is the formula for phosphorous trichloride?

a)
P₃Cl
b)
PCl₃
c)
KCl₃
d)
K₃Cl
21.
What is the correct name for SnCO₃?
a)

snadium carbonate

b)

tin(III) carbonate

c)

tin(II) carbonate

d)

tin carbonate