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WorksheetsBonding/Lewis Structures Quiz (Standard)
Total questions: 14
Worksheet time: 28mins
Name
Class
Date
1.
What is a valence electron?
a)
electron found in a middle shell
b)
electron found in outermost shell
c)
electron found in innermost shell
d)
electron not found in a shell
2.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
3.
How many valence electrons do elements in Group 2A have?
a)
12
b)
4
c)
1
d)
2
4.
Which is the correct lewis dot structure for Ne?
a)
A
b)
D
c)
F
d)
H
5.
Is this image showing the CORRECT electron dot diagram for carbon ?
a)
YES!
b)
NO!
c)
BRO!
6.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
7.
How many valence electrons are in a neutral atom of phosphorus?
a)
15
b)
4
c)
5
d)
31
8.
Which of the following elements will NOT be surrounded by an octet of electrons in a correctly drawn Lewis structure?
a)
carbon
b)
oxygen
c)
chlorine
d)
hydrogen
9.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
10.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
11.
How many electrons are shared between two atoms that are involved in a double bond? (for example, between one C and one O in CO2)
a)
2
b)
3
c)
4
d)
6
12.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
13.
After drawing in your bonds, what do you do if you don't have enough electrons to get each atom to its octet?
a)
Place dots until everything has eight
b)
Place dots only around the terminal atoms
c)
Add a multiple bond
d)
Have eight only around the central atom
14.
How many valence electrons does the compound NF3 have in total?
a)
4
b)
8
c)
21
d)
26
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