Chemistry

Problem

The successive ionization energies for an element X are listed below (values in

kJ\,\text{mol}^{-1}

IE_1 = 578,\quad IE_2 = 1817,\quad IE_3 = 2745,\quad IE_4 = 11600,\quad IE_5 = 14830

Which of the following elements is most consistent with these data? a)

\mathrm{Si}

\mathrm{Mg}

\mathrm{Al}

\mathrm{P}