$Fe$ (atomic number $= 26$) atom has the electronic arrangement:

In the ground state of atomic $Fe \,(Z = 26)$,the spin-only magnetic moment is ...... $\times 10^{-1} \,BM$. (Round off to the nearest integer).
$[$Given $: \sqrt{3} = 1.73, \sqrt{2} = 1.41]$

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

The number of $d-$ electrons in $Fe^{2+}$ (at. no. of $Fe = 26$) is not equal to that of the

Which of the following principles/rules limits the maximum number of electrons in an orbital to two?

The maximum number of sub-levels, orbitals and electrons in $N$ shell of an atom are respectively