wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Building Molecules

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is chemical bonding?

a)

The process of separating atoms to form molecules or compounds

b)

The process of converting molecules into atoms

c)

The process of rearranging atoms within a molecule

d)

The process by which atoms are held together to form molecules or compounds.

2.

Name the two main types of chemical bonding.

a)

Metallic bonding and hydrogen bonding

b)

Polar bonding and nonpolar bonding

c)

Single bonding and double bonding

d)

Ionic bonding and covalent bonding

3.

What is an ionic bond?

a)

A bond that results from the transfer of protons between atoms

b)

A chemical bond that involves the electrostatic attraction between oppositely charged ions.

c)

A bond that involves the attraction between two nonpolar molecules

d)

A bond formed by sharing electrons between atoms

4.

What is a covalent bond?

a)

Sharing of neutron pairs between atoms

b)

Exchange of proton pairs between atoms

c)

Sharing of electron pairs between atoms

d)

Attraction of opposite charged ions

5.

How do atoms form ionic bonds?

a)

By releasing neutrons from the nucleus

b)

By transferring electrons from one atom to another

c)

By sharing protons between atoms

d)

By absorbing photons from the environment

6.

How do atoms form covalent bonds?

a)

Exchanging positrons with each other

b)

Absorbing neutrons from each other

c)

Donating protons to each other

d)

Sharing pairs of electrons between each other

7.

What is a molecule?

a)

A group of two or more atoms held together by chemical bonds.

b)

A type of plant species

c)

A unit of measurement for weight

d)

A type of rock formation

8.

Give an example of a molecule.

a)

Salt (NaCl)

b)

Carbon dioxide (CO2)

c)

Water (H2O)

d)

Oxygen (O2)

9.

Explain how molecules are formed.

a)

Atoms bond together to form molecules.

b)

Molecules are formed by heating up atoms until they combine.

c)

Molecules are formed by breaking down larger particles into smaller ones.

d)

Molecules are formed by mixing different types of liquids together.

10.

Why is understanding chemical bonding important in building molecules?

a)

To make molecules look pretty

b)

To impress other scientists

c)

To waste time and resources

d)

To predict the behavior and properties of molecules