10. Periodic Properties of the Elements

The successive ionization energies for an unknown element are:

IE₁ = 896 kJ/molIE₂ = 1752 kJ/molIE₃ = 14,807 kJ/molIE₄ = 17,948 kJ/mol

To which family in the periodic table does the unknown element most likely belong?

Of the following atoms, which has the largest third ionization energy? 

Which of the following represents the third ionization of Mn?