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WorksheetsQuiz-1
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
Which one of these is not a noble gas?
a)
Helium
b)
Radon
c)
Iodine
d)
Krypton
2.
What is the atomic number of Oxygen?
a)
7
b)
6
c)
8
d)
9
3.
a)
Periods
b)
Groups
4.
how many groups are there in modern periodic table
a)
8
b)
9
c)
18
d)
17
5.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
6.
Diamonds are a pure form of what element?
a)
Carbon
b)
Oxygen
c)
Silicon
d)
Silver
7.
Which year is known as the year of periodic table?
a)
2020
b)
2019
c)
2018
d)
2017
8.
Who invented the Periodic Table?
a)
Mendeleev
b)
Bohr
c)
Lewis
d)
Democritus
9.
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
a)
Proton
b)
elecrtron
c)
groups
d)
neutrons
10.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
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