Magnetic Quantum Number

Q. How many maximum no. of electrons can be accommodated in the d-subshell?

1. 10

Q. When n = 2 for an electron, the magnetic quantum number can have ______ values.

1. three
2. two
3. nine
4. six

Q. Principal, azimuthal and magnetic quantum numbers are respectively related to:

1. Orientation, size and shape
2. size, spin and shape
3. shape, size and orientation
4. size, shape and orientation

Q. Which of the following statements are true regarding quantum numbers?

1. $l$ determines the spin of an electron
2. $l$ takes integer values from 0 to (n-1) for each value of n
3. ${\text{m}}_l$ determines the number of orbitals present in an atom
4. $m_l$ takes integer values from -$l$ to +$l$ for each value of $l$

Q.

The quantum numbers $+\frac{1}{2}$ and $-\frac{1}{2}$ for the electron spin represent

1. Rotation of the electron in clockwise and anti-clockwise directions, respectively

2. Rotation of the electron in anti-clockwise and clockwise directions, respectively

3. Magnetic moment of the electron pointing up and down, respectively

4. Two quantum mechanical spin states which have no classical analogue

Q. Which of the following properties of orbitals are described by magnetic quantum number?

1. Spin
2. Orientation
3. Shape
4. Size

Q. What is the range of magnetic quantum number for a
given value of l ?
[1 mark]