PPT Slide

33

Molecular Shapes with Four Electron Groups

• Structures with 4 electron groups making 4 bonds to a central atom (AX4) adopt a tetrahedral arrangement.

• Perspective drawings indicate depth  by means of wedged lines:

• It may seem that we can write two  Lewis structures for CCl 2F 2 , but  they represent the same molecule.

in 3D, same as

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