Chemistry 211 Name______________________

May 4, 2001

1. Draw the Lewis Structures of the following common compounds (include lone pair electrons):

a) Molecular nitrogen- N₂

b) Acetylene - C₂H₂ Skeleton is H-C-C-H

c) Carbon dioxide CO₂ Skeleton is O-C-O

d) Nitrate ion NO₃^-1

2. Decribe the bonding you would expect in NaCN. Give the details (Lewis structures as appropriate). Also state what you would expect to happen when the compound dissolves in water.

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