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Worksheets

Covalent Bonding

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What does covalent bonding involve?

a)

Transfer of electrons from a metal to a non-metal atom

b)

Transfer of electrons from a non-metal to a metal atom

c)

Sharing of electrons between two metal atoms

d)

Sharing of electrons between two non-metal atoms

2.

What types of particle are made when atoms bond covalently?

a)

Ions

b)

Crystals

c)

Molecules

d)

Atoms

3.

What is the chemical formula of the following covalent substance?

a)

CO2

b)

CH4

c)

CO

d)

CH3

4.

In covalent bonding, atoms share electrons because...

a)

they are sociable

b)

They are generous

c)

They end up with a full outer shell and are more stable

d)

They became less stable

5.

In a covalent substance, which electrons are shared between atoms?

a)

Outer-shell electrons

b)

Inner-shell electrons

c)

All the electrons

d)

None of them

6.

What kind of covalent bond is shown in the dot-and-cross diagram below, for carbon dioxide?

a)

Single

b)

Double

c)

Triple

d)

Quadruple

7.

What kind of bond is formed when three pairs of electrons are shared between two atoms?

a)

Single

b)

Double

c)

Triple

d)

Quadruple

8.

Which substance is being shown in the dot-and-cross diagram?

a)

Water

b)

Methane

c)

Nitrogen

d)

Ammonia

9.

Carbon has the electron configuration 2,4. How many covalent bonds will it form?

a)

1

b)

2

c)

3

d)

4

10.

Oxygen has the electron configuration 2,6. How many covalent bonds will it form?

a)

1

b)

2

c)

3

d)

4