wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Atoms Atoms Atoms

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
2.

What is the chemical symbol for Hydrogen

a)

H

b)

He

c)

Hy

d)

Hg

3.

__________ are negatively charged particles that are in the orbitals around the nucleus.

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

4.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
5.

How many atoms of Hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

6.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

7.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

8.

Atoms are made up of ________________

a)

energy

b)

electrons

c)

subatomic particles

d)

gasses

9.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
10.

What is this subatomic particle that has positive charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron

11.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
12.
Which is an electron?
a)
A
b)
B
c)
C
13.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

14.

The smallest part of any element. Made up of protons, neutrons and electrons.

a)

Atom

b)

AMU

c)

Ion

d)

Isotope

15.

How many atoms of Hydrogen are in H2O

a)

1

b)

2

c)

3

d)

more than 3

16.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
17.

A neutron has _________ charge or is ________.

a)

negative ... neutral

b)

positive .... neutral

c)

no .... negative

d)

no ... neutral

18.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

19.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

20.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds