Molecular Geometry Worksheet With Answer Key Page 5
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11§ Multiple Bonds 多重鍵; 對 molecular geometry 無影響
The electron pairs in a multiple bond must occupy the same region of space as
Hence the “extra” electron pairs in a multiple bond have no
those in a single bond.
effect on geometry.
o
o
：
：
CO
180
BeF
180
2
2
線型
線型
AX
AX
2
2
-
-
Ex 7-6: Predict the geometries of the ClO
ion, the NO
ion , and the N
O molecule,
3
3
2
Which have the Lewis structure
a)
b)
c)
AX
E
AX
AXY
3
1
3
三角錐
正三角形
線型
o
o
o
<
109
5 .
120
180
−
≡
−
參鍵：
H
C
C
H
AX
Y
AX
Y
1
1
1
1
o
線性
180
o
鍵角
，正三角形
AX
Y
AX
Y
120
2
1
2
1
§7-3: Ploarity of molecules
l Polar: As a result of an
dissymmetical distribution of
electrons, the bond or
molecule
contains a positive and a negative pole and is therefore a dipole.
電子對共用不均勻.
l Nonpolar: A
symmetrical distribution of electrons
leads to a bond or molecule
with no positive or negative poles. 電子對共用均勻.
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