Chem 1101 2014-J-3 Worksheet With Answers - The University Of Sydney - 2014 Page 13

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CHEM1101
2008-N-7
November 2008
Marks
 Complete the following table showing the number of valence electrons, a Lewis
4
structure and the predicted shape of each of the following species.
Number of
Name of
Lewis structure
Formula
valence electrons
molecular shape
F
N
F
trigonal pyramidal
e.g. NF
26
3
F
16
linear
BeF
F Be F
2
H
8
tetrahedral
BH
H
B
H
4
H
Draw the major resonance contributors of the nitrite ion, NO
.
2
2
N
N
O
O
O
O
THE REMAINDER OF THIS PAGE IS FOR ROUGH WORKING ONLY

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