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Worksheetsม5 Molecular Structure
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
How many total lone pairs would there be in the Lewis structure for the oxygen molecule?
a)
1
b)
2
c)
3
d)
4
2.
How many total lone pairs would be found in the Lewis structure for C2H4
a)
0
b)
2
c)
4
d)
6
3.
Which of the following is known to have exceptions to the octet rule when drawing Lewis structures?
a)
Oxygen
b)
Nitrogen
c)
Phosphorus
d)
Carbon
4.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
5.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
6.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
7.
Which is the correct molecular structure for carbon dioxide?
a)
b)
c)
d)
8.
How many total valence electrons are participating in bonding in the molecule above?
a)
8
b)
4
c)
2
d)
3
9.
In HCN (Carbon is usually the central atom) what kind of bond is between the C and N
a)
Single
b)
Double
c)
Triple
10.
How many resonance structures for NO3- ion?
a)
1
b)
2
c)
3
d)
4
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