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WorksheetsAtomic Mass
Total questions: 9
Worksheet time: 6mins
Name
Class
Date
1.
Which Number is the Atomic Number ?
a)
The Middle Number 0.
b)
The Bottom Number.
c)
The top number.
d)
There is No atomic Number.
2.
What is the Atomic Mass Number?
(a)
3.
Which 2 Atomic Atoms have the same number of elements ?
a)
The protons and the neutrons.
b)
The electrons and the protons.
c)
The electrons and the neutrons.
d)
They all have different numbers.
4.
An Atom is the (a) in the World.
5.
What is the atomic mass equation ?
a)
mass number = protons + neutrons.
b)
mass number = electrons + neutrons.
c)
mass number = protons + electrons.
6.
What electrical charge does a proton have?
a)
+1
b)
0
c)
-1
d)
+2
7.
Complete the missing label on the diagram.
a)
Neutron
b)
Centre
c)
Nucleus
d)
Sub atomic particle
8.
Which particle is negatively charged?
a)
proton
b)
atom
c)
neutron
d)
electron
9.
How many electrons does this atom have?
a)
2
b)
4
c)
6
d)
10
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