Chap01 - positive, eyeballs negative. 4. Ions can have less...

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Sticks and Eyeballs Valence electrons distribute themselves  around atoms as bonds (sticks) and  nonbonding pairs (eyeballs) of  electrons. Draw Lewis structures of particles 
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(molecules and ions).
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Making Lewis structures by playing  “sticks and eyeballs” 1. For neutral molecules sticks +  eyeballs = 4 (octet rule). 2. Sticks = distance from noble gas (ie.  carbon has 4 sticks). 3. For ions (charged) extra sticks are 
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Unformatted text preview: positive, eyeballs negative. 4. Ions can have less than 4 sticks + eyeballs. Every missing item is positive. 5. Exceptions: hydrogen (2 electrons) and radicals (odd numbers of electrons). EXAMPLES H C H H H CH 4 H N H H NH 3 .. H N H H H NH 4 + + H C H H C C O O H H CH 3 CH 2 CO 2 .. .. : : : CH 3 + C H H H + CH 3 C H H H : C C O O H H H : : : .. .. C H H H : : : .. C O O : +...
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Chap01 - positive, eyeballs negative. 4. Ions can have less...

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