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Atoms Atoms Atoms

Total questions: 21

Worksheet time: 14mins

Name
Class
Date
1.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
2.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
3.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
4.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
5.

Atoms are made up of ________________

a)

energy

b)

electrons

c)

subatomic particles

d)

gasses

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.

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

a)

protons

b)

nucleus

c)

neutrons

d)

electrons

8.

A proton has a ___________ charge.

a)

positive

b)

negative

c)

neutral

d)

massive.

9.

An electron has a _________ charge

a)

positive

b)

neutral

c)

negative

d)

massive

10.

A neutron has _________ charge or is ________.

a)

negative ... neutral

b)

positive .... neutral

c)

no .... negative

d)

no ... neutral

11.
Which is an electron?
a)
A
b)
B
c)
C
12.

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

a)

Atom

b)

AMU

c)

Ion

d)

Isotope

13.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

14.

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.

15.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
16.

How many atoms of Hydrogen are in H2O

a)

1

b)

2

c)

3

d)

more than 3

17.

How many atoms of Hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

18.

All matter is made of _________.

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
19.

The subatomic particles that make up an atom.

a)

solid, liquid, gas

b)

electrons, protons, nucleus

c)

energy, protons, nucleus

d)

electrons, protons, neutrons

20.

What is the chemical symbol for Hydrogen

a)

H

b)

He

c)

Hy

d)

Hg

21.

What is this subatomic particle that has positive charge?

a)

Electron

b)

Neutron

c)

Proton

d)

Megatron