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The 

Energies 

involved:

Electron (orbital) Potential Energy:

2s

2p

3s

3p

3d

4s

4p

1s

E

N

E

R

G

Y

 L

E

V

E

L

E

N

E

R

G

Y

 L

E

V

E

L

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120

o

109.5

o

90

o

180

o

Bond Angles

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P

x

P

y

P

z

P

x

P

y

P

z

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Methane building 

blocks

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2s

2p

x

2p

z

2p

y

1s

sp

3

  sp

3   

 sp

3

  

sp

3

109.5

o

Promote

Hybridize

x

z

y

Methane:  

Carbon

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CH

2

O

120

o

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2s

2p

x

2p

z

2p

y

1s

 sp

2

  sp

2

  

sp

2

120

o

Hybridized

Formaldehyde:  

Carbon

Promoted

120

o

Trigona

l

Planar

2s

 + 

2p

x

 + 

2p

z

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2s

2p

x

2p

z

2p

y

1s

 sp

2

  sp

2

  

sp

2

120

o

Hybridized

Formaldehyde:  

Oxygen

120

o

Trigona

l

Planar

Lone Pairs

Lone Pairs

2s + 2p

x

 + 

2p

z

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Formaldehyd
e

Sigma bond


Lone 
Pairs


Lone 
Pairs

 

 

bond

bond

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2s

2p

x

2p

z

2p

y

1s

sp    sp

Promoted

Hybridized

Hydrogen Cyanide:  

Carbon

2s

 + 

2p

x

Linear

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2s

2p

x

2p

z

2p

y

1s

sp    sp

Hybridized

Hydrogen Cyanide:  

Nitrogen

2s

 + 

2p

x

Linear

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bond

bond

 

 

bond

bond

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PCl

5

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3s

3p

x

3p

z

3p

y

2

Neon

120

o

Hybridized

Phosphorus Pentachloride:  

Phosphorus

Trigonal

Bipyrimida

l

sp

3

d   sp

3

d   sp

3

d    

sp

3

d   sp

3

d

xz

       d

yz    

   d

xy

     d

x

2

-

y

2

    d

z

2

 

120

o

90

o

Promoted

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18

sp

3

d

2

 Hybridization - Geometry of SF

6

 molecule

Octahedral geometry of SF

6

 molecule

Formation of SF

6

 molecule involving sp

3

d

2

 

Hybridization

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19

Geometry of IF

7

 molecule - sp

3

d

3

 hybridization

Formation of IF

7

 molecule involving sp

3

d

3

 

hybridization

Pentagonal bipyramidal geometry of IF

7

 

molecule

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20

dsp

hybridization Geometry of [Ni(CN)

4

]

2-

Formation of [Ni(CN)

4

]

2-

 involving dsp

2

 

hybridization

Structure of [Ni(CN)

4

]

2-


Document Outline