WorksheetsLewis Diagrams and Shapes of Molecules
Total questions: 21
Worksheet time: 17mins
Name
Class
Date
1.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
2.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
3.
Metals and nonmetals form which kind of bond?
a)
Polar covalent
b)
Ionic
c)
Non-polar covalent
d)
Metallic
4.
This could be the dot diagram of
a)
Ne
b)
H
c)
C
d)
F
5.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
6.
Ion with a positive charge
a)
cation
b)
anion
c)
molecule
d)
ionic bond
7.
Ion with a negative charge
a)
Anion
b)
Cation
c)
Ionic Bond
d)
Molecule
8.
This is the correct dot diagram for sodium (Na)
a)
true
b)
false
9.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
10.
This is the correct dot diagram for nitrogen (N)
a)
true
b)
false
11.
This is a correct dot diagram for nitrogen (N)
a)
true
b)
false
12.
This is a correct dot diagram for carbon (C)
a)
true
b)
false
13.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
14.
What is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!
a)
noble gases
b)
transition
c)
halogens
d)
borons
15.
What is the the shape of this molecule according to VSPER theory?
a)
Linear
b)
Tetrahedral
c)
Trigonal Planar
d)
Trigonal pyramidal
16.
What is the the shape of this molecule according to VSPER theory?
a)
Linear
b)
Tetrahedral
c)
Trigonal Planar
d)
Trigonal pyramidal
17.
What is the the shape of this molecule according to VSPER theory?
a)
Linear
b)
Tetrahedral
c)
Trigonal Planar
d)
Bent
18.
What is the the shape of this molecule according to VSPER theory?
a)
Linear
b)
Tetrahedral
c)
Trigonal Planar
d)
Bent
19.
What is the the shape of this molecule according to VSPER theory?
a)
Linear
b)
Tetrahedral
c)
Bent
d)
Trigonal pyramidal
20.
According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?
a)
Pairs of valence electrons
b)
Inner shell electrons
c)
Mobile Electrons
d)
Electrons closest to the nucleus
21.
What is the measure of a tetrahedral bond angle?
a)
90 Degrees
b)
109.5 Degrees
c)
120 Degrees
d)
180 Degrees
100 %
