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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
Transition elements are:
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all gases
all metals
all non-metals
all metalloids
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Question # 2
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 # 3
The vertical columns in the periodic table are called:
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perlods
groups
rows
blocks
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Question # 4
Which of following does not belong to p-block?
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IIIA
IVA
VA
VIB
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Question # 5
The atomic number of potassium is:
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11
15
18
19
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Question # 6
The amount of energy given out when an electron is added to any atom is called:
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lattice energy
ionization energy
electronegative
electron affinity
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Question # 7
An ________________ scientist arranged the elements in order in periodic table.
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English
Italian
African
Indian
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Question # 8
The number of periods is:
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6
7
8
9
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Question # 9
The base of modern periodic table is
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Atomic number (Z)
Mass number (A)
Avogadro's Number
Quantum Number
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Question # 10
Modern periodic table can be classified into ________________.
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Elements
s, p, d, f blocks
Periods
ROWS
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Question # 11
The modern periodic table is based on:
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Atomic number
Mass number
Relative mass
Nil
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Question # 12
The right most position in the periodic table is occupied by:
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Alkall metals
Alkaline earth metals
Translation metals
Noble gasses
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