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Worksheetsstructure of an Atom
Total questions: 10
Worksheet time: 13mins
Name
Class
Date
1.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
2.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
3.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
4.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
5.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
6.
In an atom, what is the number of protons equal to?
a)
The number of electrons.
b)
The number of neutrons.
c)
The number of molecules.
d)
The number of nuclei.
7.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
8.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
9.
An electron has this charge
a)
positive
b)
negative
c)
neutral
10.
A neutron has this charge
a)
negative
b)
positive
c)
neutral
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