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9th Class Chemistry Chapter 3 Periodic Table and Periodicity of Properties English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
________________ elements were discovered in year 1800.
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34
35
36
37
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Question # 2
Along the period which one of the following decrease:
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Atomic radius
ionization energy
electron affinity
electronegative
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Question # 3
The vertical columns in the periodic table are called:
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perlods
groups
rows
blocks
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Question # 4
Long form of periodic Table is constructed the basis of:
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Mendeleev postulate
atomic number
atomic mass
mass number
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Question # 5
Which one of the following halogen has lowest electronegative?
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fluorine
chlorine
bromine
iodine
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Question # 6
The other name of modern periodic table is ________________ of periodic table.
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Long form
Simplified
Simplest
Nil
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Question # 7
Li belongs to ________________ block.
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s
p
d
f
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Question # 8
The no.of electrons in the valence shell of noble gases is
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1
6
7
8
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Question # 9
The number of periods is:
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6
7
8
9
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Question # 10
Transition elements are:
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all gases
all metals
all non-metals
all metalloids
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Question # 11
Which of following does not belong to p-block?
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IIIA
IVA
VA
VIB
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Question # 12
Group runs from ________________
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Top to bottom
Left to right
Top to right
Bottom to left
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