For successive electron removed from an atom the ionization energy does what ?
Ionization energy is the amount of energy needed to remove an electron from an atom or molecule in its gaseous form.
`A -> A^(+) + e-`
As you successively remove an electron from the atom, the energy needed is increased. Generally, you are removing the electron which is the easiest to be removed. The electrons are not positioned at the same distance with one another. There are electrons that are nearer in the atoms nucleus than other.
`A -> A^(+) + e-` First ionization energy
`A^(+) -> A^(2+) + e-` Second ionization energy
`A^(2+) -> A^(3+) + e-` Third ionization energy