The element having greatest difference between its first and second ionization energies, is:

The element which has greastest difference between first and second ionisation energy is

Which of the following element has greatest difference between the first and second ionisation enthalpies?

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

Which of the elements Na, Mg, Si and P have the greatest difference between first and second ionization enthalpies? Briefly explain your answer.

Which of the elements Na, Mg, Si and P have the greatest difference between first and second ionization enthalpies? Briefly explain your answer.

Explain why for sodium the second ionization potential is so much larger than the first, whereas for magnesium the magnitude of the difference between the first and second ionization potential is much less?

Explain why for sodium the second ionization potential is so much larger than the first, whereas for magnesium the magnitude of the difference between the first and second ionization potential is much less?