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Matter and Atoms

Total questions: 16

Worksheet time: 26mins

Name
Class
Date
1.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
2.
What subatomic particle is electrically neutral (no charge)?
a)
Proton
b)
Ion
c)
Neutron
d)
Electron
3.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
4.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
5.

Parts of the atom that have a charge

a)

Protons

b)

Neutrons

c)

Electrons

6.

Parts of the atom that determine the identity of the atom (what kind of atom it is)

a)

Protons

b)

Neutrons

c)

Electrons

7.

A green powder is heated & a gas is given off while it turns to a black solid. This describes

a)

Physical Change

b)

Chemical Change

c)

Change in State

d)

Change in Temperature

8.
Changes in size and shape are examples of ­­­­­_____ changes in matter.
a)
Physical
b)
Chemical
9.
Physical changes can be brought about by
a)
Cutting
b)
Bending
c)
Dissolving
d)
All of the following are correct.
10.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
11.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
12.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
13.

What is an element?

a)

Two or more atoms joined together.

b)

One of over 100 types of atoms

c)

Two or more different elements joined together.

d)

A particle with no charge found in the nucleus of an atom.

14.

What is a compound?

a)

Two different elements bonded together.

b)

Two of the same elements bonded together.

c)

A mixture of different substances.

d)

Two substances stuck together with glue.

15.
The tiniest bit of water that still is water is a molecule of water.
a)
True
b)
False
16.

Two or more atoms joined together make up a _____.

a)

atom

b)

molecule

c)

solution