The angular momentum of an electron depends on:

Which of the following is not correct for the electron distribution in the ground state for $4s$ and $3d$ orbitals?

Maximum electrons in a $d$-subshell are

Which of the following is not a correct statement regarding the energies of orbitals?

$A$ subshell with $n=3$ and $l=2$ can accommodate a maximum of:

The quantum number which explains the line spectra observed as doublets in the case of hydrogen and alkali metals,and doublets and triplets in the case of alkaline earth metals is: