The general electronic configuration of transition elements is

The $I.P.$ values of $Cr, Zn, Mn$,and $Hg$ are $7.4 \ eV, 6.7 \ eV, 10.4 \ eV$,and $9.3 \ eV$. These $I.P.$ values are not listed in the order of the elements. Identify the correct $I.P.$ value for the given elements.

If the colours of salts of transition elements are due to the presence of unpaired electrons in the transition metal ions,which of the following ions will be colourless in aqueous solution? (The atomic numbers of $Ti$ and $Fe$ are $22$ and $26$ respectively.)

The electronic configuration of $Ag$ atom is

Gadolinium (atomic number $= 64$) is a member of the $4f$ series. Its electronic configuration in the $+3$ oxidation state is $[Xe] 4f^7$. What is the ground state electronic configuration of gadolinium?

Out of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one?