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WorksheetsATOMS
Total questions: 21
Worksheet time: 18mins
Name
Class
Date
1.
The central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
2.
An atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
3.
True or False? Neutrons have a negative charge
a)
True
b)
False
4.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
5.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
6.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
7.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
8.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
9.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
10.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
11.
Atoms make up, what?
a)
Everything living and nonliving
b)
Energy
12.
A part of the atom that has a negative charge is?
a)
Proton
b)
electron
c)
neutron
13.
The part of the atom that is moving around the nucleus is called?
a)
electron
b)
neutron
c)
proton
14.
Atoms are mostly filled with?
a)
electrons
b)
empty space
c)
protons
15.
If the number of protons changes, does the atom change its identity?
a)
YES!
b)
NO!
16.
All matter is made of _________.
a)
energy
b)
atoms
c)
electrons
d)
compounds
17.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
18.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
19.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
20.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
21.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
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