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Final Chemistry Notebook, Period 5, 2018

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Ionization Energy<br />

Define Ionization Energy:<br />

The energy needed to completely remove an electron from an atom or ion.<br />

Ionization energy increases mivug left to right across the table and decreases<br />

moving down a group.<br />

Explanation:<br />

It's harder to take an electron from a bigger atom because of its mass, yet it is easier to take<br />

away an electron from the outermost energy level than the inner.<br />

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