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WorksheetsAtomic structure
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
How many electrons does helium have?
a)
1
b)
3
c)
2
d)
4
e)
5
2.
The number in the upper corner of an element tile (7 for nitrogen) is called _____
a)
the proton number
b)
the atomic number
c)
the electron number
d)
the mass number
3.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
4.
True or False - Protons and Neutrons have about the same mass.
a)
True - They have about the same mass
b)
False - They do not have about the same mass
5.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
6.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
7.
Where is the nucleus located in an atom?
a)
Near the electron shells/levels
b)
Near the center of an atom
8.
Which two subatomic particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Neutrons and Electrons
c)
Electrons and Protons
d)
Protons and Neutrons
9.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
10.
How many electron shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
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