In the first transition series,the highest $B.P.$ and $M.P.$ is of

What is the atomic number of the first post-actinoid element?

The correct electronic configuration of the element $Au$ is

Which of the following transition metals can exhibit the highest oxidation state?

The electronic configuration $3d^{10}4s^0$ is exhibited by which of the following ions?

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.