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VSEPR Theory (Intro)
Test Description: VSEPR
Instructions: Answer all questions to get your test result.
1) Why do molecules assume certain geometries?
A
Because the chem gods said so.
B
The electron pairs spread out to minimize repulsion.
C
The atoms want to be as close together as possible.
D
Molecules always want to have a symmetrical shape.
2) What is the molecular geometry of a molecule with a steric number of 3 and 0 lone pairs?
A
Trigonal pyramidal
B
Linear
C
Trigonal planar
D
Bent
3) What is the hybridization of water, which has a steric number of 4?
A
sp3
B
sp2
C
sp
D
sp3d
4) What are the bond angles of water, which has a steric number of 4 and 0 lone pairs?
A
90
B
109
C
120
D
180
5) Which of the following could NOT be the shape of a molecule with a steric number of 4?
A
Tetrahedral
B
Linear
C
Trigonal pyramidal
D
Bent
6) Review: How many valence electrons does N have?
A
3
B
4
C
6
D
5
7) Review! What is the chemical formula for Nitrate?
A
NO3-2
B
NO2-1
C
NO3-3
D
NO3-1
8) .
A
.
B
.
C
.
D
.
9) .
A
.
B
.
C
.
D
.
10) .
A
.
B
.
C
.
D
.
*select an answer for all questions
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