WorksheetsPeriodic Table
Total questions: 8
Worksheet time: 3mins
Name
Class
Date
1.
Which sentence best describes an atom?
a)
A group of particles
b)
A large particle made of protons
c)
An atom is made of neutrons
d)
The smallest particle in which an element can exist
2.
What particles can you find in the nucleus of an atom?
a)
Protons
b)
Electrons
c)
Neutrons
d)
Shells
3.
How many neutrons are in this atom?
a)
2
b)
20
c)
40
4.
What is the mass number of this atom?
a)
21
b)
24
c)
45
5.
The number of electrons is usually equal to the number of neutrons.
a)
True
b)
False
6.
What group is silicium (Si) in?
a)
2
b)
14
c)
16
d)
18
7.
Elements in the Periodic Table are divided into groups and periods. The period number tells us the number of...
a)
Electrons in the outer shell
b)
Outer shells
c)
Electron shells
d)
Proton shells
8.
What is the atomic number of zinc (Zn)?
a)
4
b)
12
c)
30
d)
50
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