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the 2nd ionization energy is the amount of energy it takes to remove the 2nd electron from an atom. It is higher than the first because the atom is already charged.

2006-12-02 02:53:02 · answer #1 · answered by champagne0684 2 · 1 0

2nd ionization energy is the energy needed to remove the 2nd electron from an atom in the gaseous state (you remove the first electron using the first ionization energy then you try to remove the second electron).

2n ionization energy is always greater because the proton/electron ratio increases (there's an extra electron to help "hold on to" the electrons)

(Think of it this way: normally there is one day-care worker (proton) for every child (electron) One day, one of the children stays home. Now there is an extra day-care work who can help "hold on to" the remaining children, i.e. the worker/child ratio is greater than 1:1.)

2006-12-02 06:39:00 · answer #2 · answered by The Old Professor 5 · 0 0

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