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WorksheetsLewis Structures 2020-2021
Total questions: 15
Worksheet time: 41mins
According to the octet rule most elements need _______ valence electrons to be stable.
2
8
6
18
How many valence electrons does phosphorus have?
15
4
5
31
Six electrons are shared in a
single bond
double bond
triple bond
quadruple bond
This is a correct Lewis symbol for oxygen (O).
true
false
Which of the following is the correct Lewis structure for a molecule of fluorine?
A
B
C
D
How many total valence electrons are participating in bonding in this molecule?
8
4
2
3
What is the correct Lewis structure for NH3?
How many total valence electrons does the Lewis structure for NO3 - have?
23
20
18
24
PF3 has how many lone pairs total?
1
2
10
20
When drawing Lewis structures, only __________ electrons are used.
inner shell
core
valence
stable
HCl has how many lone pairs?
0
1
2
3
Which of these is the correct Lewis structure for SiBr4?
A
B
C
D
