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Worksheets

Common Chemical Compounds

Total questions: 23

Worksheet time: 9mins

Name
Class
Date
1.

The chemical formula for diatomic oxygen

a)

HCl

b)

NaCl

c)

O₂

d)

H₂O

2.

The number of subscripts in a chemical formula tells us ______.

a)

the number of atoms of a specific element in the chemical formula

b)

the number of compounds in the chemical formula

c)

nothing

d)

the number of electrons of a specific element in the chemical formula

3.

How many hydrogen atoms are in one water molecule? (water = H2O)

a)

0

b)

1

c)

2

d)

3

4.

How many carbon atoms are in one molecule of carbon dioxide? (carbon dioxide = CO2)

a)

0

b)

1

c)

2

d)

3

5.

How many atoms IN TOTAL make up one molecule of glucose? (glucose = C6H12O6)

a)

6

b)

12

c)

18

d)

24

6.

What is the chemical formula for ammonia?

a)

NaCl

b)

CO2

c)

NH3

d)

C6H12O6

7.

What is the chemical formula for table salt?

a)

NaCl

b)

CO2

c)

NH3

d)

C6H12O6

8.

What is the chemical formula for glucose?

a)

NaCl

b)

CO2

c)

NH3

d)

C6H12O6

9.

Which compound has this structure?

a)

Ammonia

b)

Carbon dioxide

c)

Glucose

d)

Iron Oxide

10.

What is the chemical formula for this structure?

a)

C6H12O6

b)

CH4

c)

Fe2O3

d)

NaCl

11.

Which compound has this structure?

a)

Nitrate

b)

Ammonia

c)

Diatomic Nitrogen

d)

Water

12.

What is the chemical formula for this structure?

a)

H2SO4

b)

H2O

c)

N2

d)

NH3

13.

What is the chemical formula for this structure?

a)

NaCl

b)

CaCl

c)

NO3

d)

NH4

14.

What is name of the compound with this structure?

a)

Diatomic Oxygen

b)

Nitrate

c)

Methane

d)

Sodium Chloride

15.

What element is H?

a)

Holographium

b)

Halogen

c)

Hydrogen

d)

Helium

16.

What element is Na?

a)

scandium

b)

sodium

c)

nubidium

d)

natrium

17.

What is the symbol for carbon

a)

Ca

b)

Cb

c)

C

d)

Cr

18.

What is the symbol for oxygen?

a)

Xe

b)

Oxy

c)

Oy

d)

O

19.

What is the symbol for chlorine?

a)

Cl

b)

Ca

c)

Ch

d)

C

20.

What is the symbol for nitrogen?

a)

Ne

b)

Ni

c)

N

d)

Nr

21.

What is the symbol for iron?

a)

Fr

b)

I

c)

Io

d)

Fe

22.

The chemical formula for water

a)

HCl

b)

NaCl

c)

O₂

d)

H₂O

23.

How many atoms IN TOTAL make up one molecule of glucose? (glucose = C6H12O6)

a)

6

b)

12

c)

18

d)

24