Worksheet #4

Unit 5—Bonding
Name
Pre-AP Chemistry—Worksheet #4
Period
Date
Molecular Shapes(5.6)
1.
What do the letters VSEPR stand for? What is the basic assumption of this
theory?
2.
Why is the bond angle in a trigonal pyramidal molecule different from that in a
tetrahedral molecule?
3.
Complete the following table.
Formula
SbH3
Cl2O
BeH2
SiF4
Lewis Structure
(or Structural Formula)
Name of Shape
Unit 5—Bonding
PI5
SCl6
CO2
HCN
AsCl3
BH3
4.
What are resonance structures?
5.
Draw the possible resonance structures for NO3-.

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