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Unformatted text preview: Trends in for IE 1. Definition!!!-Energy change for the removal of 1 electron from a neutral isolated atom. 2. Equation corresponding to definition-Li(g) = Li + + e- H = _520 kJ 3. Down column (n change)-N bigger-Electron farther from nucleus, easier to remove Trends in ionization Energy 1. Down column (n changes) 2. Across row (Z change with n constant)-As you go across the row it increases-Increased nuclear charge pulls electron closer 3. Exceptions across row (sublevel change or pairing energy)-Be (s 2 )-B (s 2 p 1 )-N (p 3 )-O (p 4 )...
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- Spring '09