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Online Tests
9th Class Chemistry Chapter 4 Structure of Molecules English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
How many covalent bond does C
2
H
2
molecule have?
Choose an answer
two
three
four
five
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Question # 2
Metals are ________________
Choose an answer
Liquid
Solid
Gas
Malleable
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Question # 3
"×" & "." Represent:
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Shells
Neutrons
Electrons
Atoms
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Question # 4
________________ observed that formation of covalent bonds.
Choose an answer
Rutherford
G.N Lewis
Both a and b
Bohar's
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Question # 5
Octet rule is:
Choose an answer
description of eight electrons
picture of electronic configuration
covalent bonding
attaining of eight electrons
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Question # 6
Transfer of electrons between atoms results in:
Choose an answer
metallic bonding
ionic bonding
covalent bonding
coordinate covalent bonding
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Question # 7
The bond between two atoms will be ionic if the difference between their electronegativities is:
Choose an answer
Less than 1.7
Greater than 1.7
Zero
Less than 1.2
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Question # 8
An atom having six electrons in its achieve noble electronic configuration by:
Choose an answer
gaining one electron
losing all electrons
gaining two electrons
losing two electrons
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Question # 9
Which has metallic bond?
Choose an answer
H
Na
HCI
P
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Question # 10
The property of being polar in nature is called:
Choose an answer
Polarity
Chemistry
Both
Nil
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Question # 11
________________ is triangular in shape.
Choose an answer
BCL3
H2O
CO2
NH3
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Question # 12
Which is an acceptor molecule/ion?
Choose an answer
N
2
O
2
H
+
CH
4
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