Which of the following does not follow the Aufbau principle?

The radial part of the wave function is determined by which quantum numbers?

The ground state electronic configuration of a nitrogen atom $(Z = 7)$ can be represented by which of the following orbital diagrams?

Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?

$(i)$ Write the electronic configurations of the following ions:
$(a)$ $H^{-}$
$(b)$ $Na^{+}$
$(c)$ $O^{2-}$
$(d)$ $F^{-}$
$(ii)$ What are the atomic numbers of elements whose outermost electrons are represented by
$(a)$ $3s^{1}$
$(b)$ $2p^{3}$ and
$(c)$ $3p^{5}$?
$(iii)$ Which atoms are indicated by the following configurations?
$(a)$ $[He] 2s^{1}$
$(b)$ $[Ne] 3s^{2} 3p^{3}$
$(c)$ $[Ar] 4s^{2} 3d^{1}$

Which is the correct order of increasing energy of the listed orbitals in the atom of titanium? (At. no. $Z = 22$)