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**1. Which of the following quantum number can distinguish between two electrons present in the same orbital?**

(A) Azimuthal quantum number

(B) Principal quantum number

(C) Magnetic quantum number

(D) Spin quantum number

**2. How many orbital can have the following quantum numbers, n = 3, I = 1, ml = 0?**

(A) 4

(B) 2

(C) 1

(D) 3

**3. What is the maximum number of electrons, which can have following quantum numbers, n=3, I = 1, m = -1?**

(A) 2

(B) 6

(C) 10

(D) 4

**4. The maximum number of electrons that can in an orbital with n =3, I =1?**

(A) 14

(B) 6

(C) 10

(D) 2

**5. The maximum number of electrons which can be present in a subshell can be represented by?**

(A) 2l + 1

(B) 2n2

(C) 4l + 2

(D) 4l – 2

**6. Which of the following quantum numbers governs the special orientation of an atomic orbital?**

(A) Magnetic quantum number

(B) Spin quantum number

(C) Azimuthal quantum number

(D) Principal quantum number

**7. Which of the following quantum numbers tells the three-dimensional shape of an atomic orbital?**

(A) Azimuthal quantum number

(B) Principal quantum number

(C) Spin quantum number

(D) Magnetic quantum number

**8. The maximum number of orbitals present in a subshell can be represented by?**

(A) 2l + 1

(B) 2n2

(C) 4l + 2

(D) 4l – 2

**9. The maximum number of electrons that can fit in all the orbital with n = 2 and I = 1?**

(A) 8

(B) 2

(C) 6

(D) 4

**10. The maximum number of electrons with I = 3 is?**

(A) 14

(B) 2

(C) 10

(D) 6

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