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

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

7.
How many values can the magnetic quantum number (m) have for l = 2?
A.
1
B.
3
C.
5
D.
7
ANSWER :
C. 5
8.
Which quantum number represents the spin of an electron?
A.
Principal quantum number (n)
B.
Azimuthal quantum number (l)
C.
Magnetic quantum number (m)
D.
Spin quantum number (s)
ANSWER :
D. Spin quantum number (s)
9.
The spin quantum number (s) can have values of:
A.
-1 and 1
B.
-1/2 and +1/2
C.
0 and 1
D.
1/2 and 3/2
ANSWER :
B. -1/2 and +1/2
10.
How many orbitals are possible for n = 2?

NEET - 2019

A.
2
B.
4
C.
8
D.
9
ANSWER :
B. 4
11.
The total number of orbitals in a shell is given by:
A.
n²
B.
n
C.
n(n-1)
D.
2n²
ANSWER :
A. n²
12.
The maximum number of electrons that can be accommodated in a shell is given by:
A.
2n²
B.
n²
C.
4n²
D.
n(n+1)
ANSWER :
A. 2n²