Various Quantum Numbers (Principal, Angular Momentum, and Magnetic Quantum Number, and their Significance) NEET Questions

Physical Chemistry - Atomic Structure

Various Quantum Numbers (Principal, Angular Momentum, and Magnetic Quantum Number, and their Significance) MCQ Questions


1.
Which quantum number determines the energy level of an electron?
A.
Principal quantum number (n)
B.
Azimuthal quantum number (l)
C.
Magnetic quantum number (m)
D.
Spin quantum number (s)
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ANSWER :
A. Principal quantum number (n)
2.
What does the principal quantum number (n) indicate?
A.
Shape of orbital
B.
Size and energy of orbital
C.
Orientation of orbital
D.
Spin of electron
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ANSWER :
B. Size and energy of orbital
3.
Which quantum number defines the shape of an orbital?
A.
Principal quantum number (n)
B.
Azimuthal quantum number (l)
C.
Magnetic quantum number (m)
D.
Spin quantum number (s)
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ANSWER :
B. Azimuthal quantum number (l)
4.
The azimuthal quantum number (l) can have values from:
A.
0 to n
B.
0 to n-1
C.
1 to n
D.
-1 to n-1
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ANSWER :
B. 0 to n-1
5.
For n = 3, what are the possible values of l?
A.
0, 1, 2
B.
1, 2, 3
C.
0, 2, 3
D.
1, 2
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ANSWER :
A. 0, 1, 2
6.
Which quantum number describes the orientation of an orbital?
A.
Principal quantum number (n)
B.
Azimuthal quantum number (l)
C.
Magnetic quantum number (m)
D.
Spin quantum number (s)
😑 View Answer Rough Work Error
ANSWER :
C. Magnetic quantum number (m)