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Duplicate of Exam 2 Review
Duplicate of Exam 2 Review
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Chemistry is tough. Let's play a game to get better at it! :)
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Questions
39
Answers
1
How many sigma and pi bonds are in this molecule?
5 sigma, 2 pi
2 sigma, 2 pi
7 sigma, 10 pi
3 sigma, 4 pi
2
Determine the hybridization on the central atom.
sp2
sp3d2
sp3d
sp
3
What is the name of HCO
3
-
?
bicarbonate
carbonic acid
carbonate
hydrogen carbonite
4
Determine the hybridization on the central atom.
sp2
sp
sp3d
sp3
5
Which of the following is the correct electron configuration for K+?
[Kr]
[Ar] 4s2
[Ar] 4s1
[Ar]
6
What is the formula for carbonate?
CO2-
CO3-
CO32-
CO23-
7
TRUE OR FALSE: If there are no lone pairs on the central atom, the E.D.G. = Molecular geometry.
True
False
8
What is the name of SO
4
2-
Sulfate
Sulfuric Acid
Sulfide
Sulfite
9
How many unpaired electrons does Cl have?
3
1
0
2
10
What is the correct formula for magnesium phosphate?
Mg3(PO4)2
Mg3P2
MgP
MgPO4
11
What are the formal charges on each atom from left to right?
-1, 0, -1
0, 0, 0
0, +2, 0
+1, 0, +1
12
What is the name of the oxyacid formed by the oxyanion, NO
2
-
?
nitrous acid
nitrogen acid
nitride acid
nitric acid
13
Determine the electron domain and molecular geometry.
Linear; bent
Trigonal planar; bent
Linear; Linear
Trigonal planar; Trigonal planar
14
Determine the hybridization on the central Cl atom.
sp3
sp3d
sp2
sp
15
What is the formula for hydroxide?
O2H-
OH
OH2-
OH-
16
Determine the hybridization on the central atom.
sp2
sp
sp3
sp3d
17
This shows the correct lewis stucture for which compound?
NO3+
NO3
NO3-
NO32-
18
A molecule with a trigonal planar electron domain geometry, has a bond angle of _____?
90 degrees
109.5 degrees
120 degrees
180 degrees
19
Which of the following elements should have the second smallest ionization energy?
Y
Kr
Rb
Sr
20
What is the name of NO
2
-
?
nitrate
nitric acid
nitrite
nitride
21
Which is a possible value of quantum number
l
when
n
= 3?
4
3
0
6
22
Which molecule of N
2
H
2
has a dipole moment?
Right
Left
23
Which of the following combinations of quantum numbers is allowed?
n=4, l=4, ml=-2, ms= -½
n=3, l=1, ml=2, ms=-½
n=5, l=4, ml=4, ms= +½
n=3, l=0, ml=2, ms= -½
24
What is the correct name for N
2
O
4
?
nitrogen dioxide
dinitrogen tetraoxide
nitrogen oxide
dinitrogen oxide
25
Determine the electron domain & molecular geometry.
Trigonal planar; bent
Tetrahedral; trigonal planar
Trigonal planar; Trigonal planar
Tetrahedral; trigonal pyramidal
26
A neutral atom has a _____ atomic radius that it's positively charged ion.
smaller
bigger
27
This image represents which orbital?
p
s
sp
sp2
28
Which is NOT a possible value of
m
l
when
l
= 2?
0
3
2
-1
29
Are you done studying?
No
Yes
30
What is the formula for chlorite?
ClO2-
ClOO-2
ClO22-
ClO-
31
Which of the following compounds need roman numerals when naming?
NaCl
N2O
KCl
Fe2O3
32
Atomic radii ______ as you go left to right on the periodic table, and ______ as you go down.
decrease; decrease
decrease; increase
increase; increase
increase; decrease
33
What is the formula for nitrate?
NO32-
NO3-
NO22-
NO2-
34
What is the name of ClO
3
-
?
Chlorite
Perchlorate
Chlorate
Perchlorite
35
Sample Question: What is Chemistry?
The worst
I can't even
The best
Awful
36
What is the formula for sulfite?
S2-
SO32-
SO4-
SO3-
37
Determine the electron domain & molecular geometry.
Tetrahedral; Trigonal Pyramidal
Tetrahedral; Trigonal Planar
Trigonal Planar; Trigonal Planar
Trigonal Planar; Tetrahedral
38
What is the correct name for KClO
3
?
Potassium chloride oxide
Monopotassium Chlorate
Potassium chlorate
Potassium (III) chlorate
39
Determine the electron domain & molecular geometry.
Trigonal planar; Trigonal planar
Tetrahedral; Trigonal Planar
Tetrahedral; Trigonal Pyramidal
Trigonal planar; bent
