The number of radial nodes of $3s$ and $2p$ orbitals are respectively.

In the ground state of $Cr$,the number of electrons with $l = 1$ and $l = 2$ in its electronic configuration are respectively:

Which of the following is the correct electronic configuration?

What would be the electronic configuration of $Cs (Z=55)$ in each case?
$(a)$ If there were three possibilities of the electron spin.
$(b)$ If the quantum number,$l$,could have the value $n$,and if all the rules governing electron configuration were otherwise valid.

Explain the stability of completely filled and half-filled subshells by giving reasons.

Which of the following subshell can accommodate as many as $10$ electrons?