10. Periodic Properties of the Elements

The successive ionization energies for an unknown element are:

IE₁ = 896 kJ/mol IE₂ = 1752 kJ/mol IE₃ = 14,807 kJ/mol IE₄ = 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?