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Science 7th Class Urdu Medium Chapter 4 Online Test MCQs With Answers
Question # 1
Area around nucleus where electrons are found are called.
Choose an answer
Orbit
Shell
Both a and b
None of these
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Question # 2
Element present in grops have same number of ....... in their outermost shell.
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Electron
Proton
Atoms
Neutron
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Question # 3
In .... elements are arranged in order of increasing atomic numbers.
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Group
Period
Orbit
Shell
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Question # 4
How many periods are there is the Periodic table.
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Five
Six
Seven
Eight
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Question # 5
Positively charged particle of an atom is called.
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Electron
Proton
Atom
Neutron
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Question # 6
Atomic number of element presetnin period 2 and group 15 of the periodic table.
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4
5
6
7
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Question # 7
The central part of an atom is called.
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Electron
Proton
Neutron
Nucleus
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Question # 8
The mass of an atom is almost due to the.
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Electron
Proton
Nucleus
Neutrons
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Question # 9
The particle of an atom having negative charge on it.
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Electron
Proton
Neutron
Nucleus
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Question # 10
The maximum numebr of electrons that N-Shell accomodate are.
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2
8
18
32
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