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The structure of an atom

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

What is an atom?

a)

The largest unit of matter.

b)

The smallest unit of matter.

c)

A banana

2.

What is found in the nucleus of an atom?

a)

Protons

b)

Electrons

c)

Protons and Electrons

d)

Protons and Neutrons

3.

What charge does an electron have?

a)

Positive

b)

Neutral

c)

Negative

4.

A neutron has what charge?

a)

Positive

b)

Neutral

c)

Negative

5.

What charge does an electron have?

a)

Negative

b)

Positive

c)

Neutral

6.

What is an atomic number?

a)

Number of electrons an atom has

b)

Number of neutrons an atom has

c)

Number of protons an atom has

7.

What is an atomic mass?

a)

The total number of electrons in an atom

b)

The total number of neutrons in an atom

c)

The total number of protons and electrons in an atom

d)

The total number of protons and neutrons in an atom

8.

Where are electrons located?

a)

In the nucleus

b)

In the ribosomes

c)

In the rings/shells

d)

In the protons

9.

What element has only one electron?

a)

Helium

b)

Carbon

c)

Lithium

d)

Hydrogen

10.

What is group 18 on the periodic tabled called?

a)

Alkali metals

b)

Noble gases

c)

Halogens

d)

Alkaline earth metals