wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

3.1 Atoms

Total questions: 12

Worksheet time: 4mins

Name
Class
Date
1.

A positively charged particle found in the nucleus of an atom is

a)

a quark.

b)

an electron.

c)

a proton.

d)

a neutron.

2.

A  negatively charged particle located outside the atom's nucleus is

a)

a neutron.

b)

a proton.

c)

an electron.

d)

a quark.

3.

The center of an atom is 

a)

a neutron.

b)

a nucleus.

c)

a quark.

d)

a bohr.

4.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

5.

How many neutrons does nitrogen have?

a)

7

b)

14

c)

0

d)

6

6.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
7.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
8.

Which statement correctly describes the location and charge of the neutrons in an atom?

a)

The neutrons are inside the nucleus and have a positive charge.

b)

The neutrons are outside the nucleus and have a neutral charge.

c)

The neutrons are outside the nucleus and have a negative charge.

d)

The neutrons are inside the nucleus and have a neutral charge.

9.

Which three particles make up an atom?

a)

Proton, neutron, electron

b)

Proton, newton, electron

c)

Photon, neutron, election

d)

Proton, neutron, electric

10.

What number indicates a neutron?

a)
1
b)
2
c)
3
d)
4
11.

What does subatomic mean?

a)

smaller or below the size of a whole atom

b)

larger in size than an atom

c)

multiple atoms together

d)

a single atom

12.

How many electrons are in this atom?

a)

3

b)

4

c)

5

d)

6