Predicting molecular shape

General rules for some simple molecules.

 

Electron pairs
Formula
Shape
2
AB2

Linear
3
AB3

 

Triangular planar

3
AB2

 


"V" shaped

 

4
AB4

 


Tetrahedral

 

4
AB3

 


Triangular pyramid

 

4
AB2

 


"V" shaped

 

6
AB6

Octahedral
6
AB4

Square planar
Exercises

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