MCQ
Select the correct statements for quantum numbers.
$(i)$ Magnetic quantum no. $(m_l )$ gives information about the spatial orientation of orbitals with respect to standard set of co-ordinate axis.
$(ii)$ Electron spin quantum no. is represented by '$s$' and have value' $\frac{1}{2}$ '
$(iii)$ Principal quantum no. $(n)$ determine the size of the orbitals and also to a large extent of the energy of the orbitals.
- ✓Only $(i), (iii)$
- BOnly $(iii)$
- COnly $(i)$
- D$(i), (ii), (iii)$
