The third ionization energy is least for:

First ionization energy is highest for :

First ionization energy is highest for :

Ionization energy is high for

What is ionization energy ?

The order of ionization energy

The ionization energy is _______

Among the following least 3rd ionization energy is for

Among the following least 3rd ionization energy is for

The ratio of the third ionization energy of lithium and ionization energy of H atom is of H-atom and that of Li^(+2) ion is: