Single Bond Formation Ex: NH3 - avon- · PDF filePlace each resonance structure in brackets...
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Single Bond Formation Ex: NH 3
Transcript of Single Bond Formation Ex: NH3 - avon- · PDF filePlace each resonance structure in brackets...
Single Bond
FormationEx: NH3
N
H HH
1. Draw electron dot formulas.
N
H
H
H
2. Draw a game plan.
N.H
H .
3. Draw the Lewis Structure.
N
H
H
3. Draw the Structural
formula.
4. # of valence e-
H… 1(3) = 3N… 5(1) = 5+
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Double Bond
Formation
Ex: C2H4
C CH
HH
H
C CH H
H
H
C CH H
H
H
C CH H
H
H
C CH H
H
H
# of valence e-
C… 2(4) = 8H… 4(1) = 4+
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Triple Bond
Formation
C CH H
C CH H
C CH H
C CH H
# of valence e-
C… 2(4) = 8H… 2(1) = 2+
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N.H
H .
H+
N.H
H .H +
O
H_
O H_
Some molecules have
properties that cannot
be explained by a single
Lewis structure.
There are 3 resonance structures.
CO O
O -2
CO O
O -2-2
CO O
O