The quantum number/s needed to describe an electron fully in an atom is/are:

The number of electrons that can be accommodated in $d_{z^2}$ orbital is

For a given atomic orbital,$n = 3$. What are the possible values of $l$ and $m_l$?

For $3d_{z^2}$ calculate the value of $n, \ell, m$ and $s$.

Consider the following statements:
$(a)$ Electron density in the $XY$ plane in $3d_{x^2-y^2}$ orbital is zero.
$(b)$ Electron density in the $XY$ plane in $3d_{z^2}$ orbital is zero.
$(c)$ $2s$ orbital has one nodal surface.
$(d)$ For $2p_z$ orbital,$YZ$ is the nodal plane.
Specify True or False.

The energy of a $2p$ orbital in a multi-electron atom is