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WorksheetsLewis structures and molecular geometry
Total questions: 12
Worksheet time: 2hrs 0mins
Name
Class
Date
1.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
2.
Which is the correct Lewis structure for carbon dioxide?
a)
b)
c)
d)
3.
A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
4.
Choose the correct shape for this molecule:
a)
Trigonal planar
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
5.
What geometry will this molecular structure have?: PH3
a)
bent
b)
tetrahedral
c)
trigonal planar
d)
trigonal pyramidal
6.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
7.
What geometry will this molecular structure have? H2S
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
8.
Which Lewis Structure drawing correctly shows an O2 molecule?
a)
b)
c)
d)
9.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
10.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
11.
How many electrons are shared in a double bond?
a)
1
b)
2
c)
4
d)
6
12.
Which of these Lewis structures is incorrect?
a)
b)
c)
d)
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