chapter 7 addition(2)

chapter 7 addition(2) - side 5 Metals form positive ions...

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Periodic trends 1. Groups of elements exhibit similar chemical behavior. Number of valence electrons determine behavior. 2. Electronic configuration (exceptions :Cr and Cu) 3. Groups have names – alkali metals, halogens,…. . 4. Most general division : Metals ( left side) and non metals (right
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Unformatted text preview: side) 5. Metals form positive ions ( give up e-); low ionization energy 6. Nonmetals form negative ions(gain e-); large ionization energy; most negative electron affinities 7. Nobel gas elements unreactive 8. Metalloids - both metallic and nonmetallic properties....
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chapter 7 addition(2) - side 5 Metals form positive ions...

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