An atom of an element contains $29$ electrons and $35$ neutrons. Determine $(i)$ the number of protons and $(ii)$ the electronic configuration of the element.

Total number of electrons in $Cu$ atom having $m_l = 0$.

For a multi-electron atom,the highest energy level among the following is

Identify the neutral atoms having the outermost electronic configurations as $2p^4$,$3s^2$,and $2p^3$ respectively.

Which of the following has the maximum number of unpaired electrons? (Atomic number of $Fe = 26$)

Consider the following statements:
$(A)$ The principal quantum number $'n'$ is a positive integer with values of $'n'=1, 2, 3, \dots$.
$(B)$ The azimuthal quantum number $'l'$ for a given $'n'$ (principal quantum number) can have values as $'l'=0, 1, 2, \dots, (n-1)$.
$(C)$ Magnetic orbital quantum number $'m_l'$ for a particular $'l'$ (azimuthal quantum number) has $(2l+1)$ values.
$(D)$ $\pm 1/2$ are the two possible orientations of electron spin.
$(E)$ For $l=5$,there will be a total of $11$ orbitals.
Which of the above statements are correct?