WorksheetsAtomic structure
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Subatomic particles with a negative charge
a)
Electrons
b)
Neutrons
c)
Protons
d)
Quarks
2.
Subatomic particle with a charge of 0
a)
neutron
b)
proton
c)
electron
d)
quark
3.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
4.
These are found in the nucleus and have a neutral charge.
a)
proton
b)
electron
c)
neutron
5.
In an atom, the number of protons is equal to the number of ____________.
a)
energy levels
b)
neutrons
c)
neurons
d)
electrons
6.
How many electrons does an Iodine atom have?
a)
53
b)
126
c)
73
d)
179
7.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
8.
Which part of the diagram represents the proton?
a)
a
b)
b
c)
c
d)
d
9.
What is the atomic number of Boron?
a)
5
b)
11
c)
6
10.
How many protons does Boron have?
a)
5
b)
11
c)
6
11.
How many electrons does Sodium have?
a)
11
b)
23
c)
12
12.
How many neutrons does Fluorine have?
a)
9
b)
19
c)
10
13.
How many protons are in this element?
a)
20
b)
30
c)
10
d)
Neon
14.
How many protons are in this atom?
a)
2
b)
4
c)
6
d)
Helium
15.
How many neutrons does Chlorine have?
a)
20
b)
17
c)
35
d)
52
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