Portmess Homework Solutions 20

Portmess Homework Solutions 20 - 14 CHEMICAL BONDING (d )...

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( d ) Octets of electrons at all the carbon atoms can be produced by moving the electrons toward the site of positive charge. ( e ) As in part ( d ), move the electron pairs toward the carbon atom that has only 6 electrons. ( f ) The negative charge can be placed on the most electronegative atom (oxygen) in this molecule by moving electrons as indicated. ( g ) Octets of electrons are present around both carbon and oxygen if an oxygen unshared electron pair is moved toward the positively charged carbon to give an additional covalent bond. ( h ) This exercise is similar to part ( g ); move electrons from oxygen to carbon so as to produce an additional bond and satisfy the octet rule for both carbon and oxygen. ( i ) By moving electrons from the site of negative charge toward the positive charge, a structure that has no charge separation is generated. 1.35 ( a ) Sulfur is in the same group of the periodic table as oxygen (group VI A) and, like oxygen, has
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