Outermost electronic configuration of a group-13 element E is 4s² 4p¹. The electronic configuration of an element of p-block period-five placed diagonally to element, E is

Outermost electronic configuration of a group-13 element E is 4s² 4p¹. The electronic configuration of an element of p-block period-five placed diagonally to element, E is$\left[\mathrm{Kr}\right]4{\mathrm{d}}^{10}5{\mathrm{s}}^{2}5{\mathrm{p}}^2$