The number of electrons with $(n+\ell)$ values equal to $3, 4$ and $5$ in an element with atomic number $(Z) = 24$ are respectively $(n =$ principal quantum number and $\ell =$ azimuthal quantum number).

For azimuthal quantum number $l = 3$,the maximum number of electrons will be

The following sets of quantum numbers represent four electrons in an atom:
$(i)$ $n = 4, l = 1$ $(ii)$ $n = 4, l = 0$
$(iii)$ $n = 3, l = 2$ $(iv)$ $n = 3, l = 1$
The sequence representing the increasing order of energy is:

The incorrect set of quantum numbers $(n, l, m, s)$ for an electron in $3p$ orbital is

The angular momentum of an electron in a $2s$ orbital is equal to the angular momentum of an electron in which of the following orbitals?

What is the orbital angular momentum of an electron in a $2s$-orbital?