Define: 1st ionization energy?

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Define: 1st ionization energy?

2006-12-02 06:03:39 · 3 answers · asked by Trisha 1 in Science & Mathematics ➔ Chemistry

3 answers

The energy required to remove an electron from a neutral species.

2006-12-02 06:05:59 · answer #1 · answered by champagne0684 2 · 0⤊ 0⤋

It is the amount of energy needed to remove the FIRST electron from a neutral atom in the gaseous state.

If you wanted to remove the next electron, that energy would be called the "second" ionization energy.

2006-12-02 14:10:58 · answer #2 · answered by The Old Professor 5 · 3⤊ 0⤋

It is the amount of energy to remove an electron from an atom when it is electrically neutral. For example: Li -> Li+

2006-12-02 14:07:02 · answer #3 · answered by Robert A 2 · 0⤊ 0⤋