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WorksheetsCCYD Chemistry Yr 10 Atomic Structure
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What is atomic number?
a)
Number of protons in an atoms
b)
Number of neutrons in an atom
c)
Mass of an atom
d)
Charge on an atom
2.
Which subatomic particles are found in the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons, Neutrons and Electrons
3.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
4.
What mass does a neutron have?
a)
1
b)
0
c)
-1
d)
+2
5.
The total number of protons and neutrons in an atom is called the...
a)
Atomic number
b)
Proton number
c)
Mass number
d)
Weight number
6.
How many protons does an aluminium atom have? (Use the image to help you)
a)
27
b)
14
c)
40
d)
13
7.
How many neutrons does a sodium atom have? (Use the image to help you)
a)
23
b)
11
c)
12
d)
34
8.
Complete the missing label on the diagram.
a)
Neutron
b)
Centre
c)
Nucleus
d)
Sub atomic particle
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