Title: Bonding in ethene
1Ethene
2The carbon atoms
3The hydrogen atoms
H
H
C
C
H
H
4The bonds between atoms are drawn as lines.
These are ? bonds
H
H
C
C
H
H
5and this is a ? bond,
both above and below the plane of the atoms
H
H
C
C
H
H
6H
H
C
C
s
H
H
7H
s
H
C
s
s
C
s
H
s
H
8p
H
s
H
C
s
s
C
s
H
s
H
p
9s bonds in straight lines between atoms
p
H
s
H
C
s
s
C
s
H
s
H
p
p bonds are parallel
10Bonds are regions of high electron density
p
H
s
H
C
s
s
C
s
H
s
H
p
p bonds are exposed
11Bonds are regions of high electron density
p
H
s
H
C
s
s
C
s
H
s
H
p
p bonds are exposed and therefore are more
vulnerable to attack
12Bonds are regions of high electron density
p
H
s
H
C
s
s
C
s
H
s
H
p
p bonds are exposed and are therefore more
vulnerable to attack by electrophiles
13p
H
s
H
C
s
s
C
s
H
s
H
p
Back to the beginning
14References
Original photograph and PowerPoint slides by
Mike Thompson of Truro School www.chem-pics.co.uk
Adapted by Steve Lewis for the RSC