9-26 - s pz px py x z sp2 Pure orbital Used for bonds sp2...

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s p z p x p y z x Hybrid orbitals Pure orbital sp 2 sp 2 sp 2 lone pairs Used for:   σ  bonds Used for:   π bonds Section 6.4
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Ammonia (NH 3 ) bonding  s p x p y p z N 3H sp 3 sp 3 sp 3 sp 3 N s s s N H H H σ bond Pure atomic orbitals Hybridize Tetrahedrally distributed Hybrid orbitals sp 3 sp 3 sp 3 sp 3 Section 6.4
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Formaldehyde (CH 2 O) bonding  p sp 2 sp 2 sp 2 C 2H s s s p x p y p z C Pure atomic orbitals Section 6.4 Hybridize Hybrid orbitals p y sp2 sp2 sp2 O H H C O
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C C H H H H sp 2 x z p y p y σ- bond bond Section 6.4
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C C H H H H hybridization sp 2 σ- bond bond π- bond H H H x z p y p y y Section 6.4
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p p C N H sp sp σ- bond bond lone pair z x p y p y a b c Describe electron regions Section 6.4
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C N H hybridization hybridization sp sp π- bond (x) z x p p p y p y bond (y) Section 6.4
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The number of electron regions around an atom: 2 # e -  regions =  σ  bonds  +  # LPs 3 4 sp sp sp # e -  regions hybridization # pure p 2 1 0 Section 6.4
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How many  σ  bonds does this molecule have? How many  π  bonds does this molecule have? C C H H H C N . . acrylonitrile Section 6.4
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 How many sp 2  centers does this molecule have?  How many sp centers does this molecule have?   How many unhybridized p orbitals are                      in this molecule?
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9-26 - s pz px py x z sp2 Pure orbital Used for bonds sp2...

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