A large difference between the fourth and fifth ionization energies indicates the presence of:

A large difference between the third and fourth ionization energies indicates the presence of:

A large difference between the third and fourth ionization energies indicates the presence of:

A sudden large difference between the values of second and third ionization energies of elements would be associated with which of the following electronic configurations?

The electronic configuration of an element with the largest difference between the 1^(st) and 2^(nd) ionization energies is

The ionization energy is _______

Which of the following elements has a large jump between its fourth and fifth ionization enthalpies?