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101 E2 practice mc.doc
101_E2_practice_mc.doc
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101 E2 practice mc.doc-E2 practice mc Name ...
101_E2_practice_mc.doc-E2 practice mc Name___________________________________ MULTIPLE CHOICE.
101 E2 practice mc.doc-E2 practice ...
101_E2_practice_mc.doc-E2 practice mc Name___________________________________ MULTIPLE CHOICE.
Page 4
18) As the number of covalent bonds between two atoms increases, the distance
between the atoms __________ and the strength of the bond between them __________.
A) increases, increases
B) decreases, decreases
C) increases, decreases
D) decreases, increases
E) is unpredictable
19) Which one of the following is a valid statement of Avogadro's law?
A) V/T
=
constant
B)
PV
=
constant
C)
V
=
constant
×
n
D) P/T
=
constant
E)
V
=
constant
×
P
20) Which of the following has the bonds correctly arranged in order of increasing
polarity?
A) O
F, Be
F, Mg
F, N
F
B) Mg
F, Be
F, N
F, O
F
C) O
F, N
F, Be
F, Mg
F
D) Be
F, Mg
F, N
F, O
F
E) N
F, Be
F, Mg
F, O
F
21) A valid Lewis structure of __________ cannot be drawn without violating the octet
rule.
A) SiF
4
B) CO
2
C) NI
3
D) ICl
5
E) SO
2
22) Which of the following statements about gases is false?
A) Non
-
reacting gas mixtures are homogeneous.
B) Gases expand spontaneously to fill the container they are placed in.
C) All gases are colorless and odorless at room temperature.
D) Distances between molecules of gas are very large compared to bond distances
within molecules.
E) Gases are highly compressible.
23) A valid Lewis structure of __________ cannot be drawn without violating the octet
rule.
A) PO
4
3-
B) NF
3
C) SeF
4
D) SiF
4
E) CF
4
Page 5
24) Of the following substances, only __________ has London dispersion forces as its
only
intermolecular force.
A) CH
3
OH
B) HCl
C) CH
4
D) NH
3
E) H
2
S
25) Based on the octet rule, phosphorus most likely forms a __________ ion.
A) P
+
B) P
3-
C) P
5-
D) P
3+
E) P
5+
105 E2 practice mc key
1) B
2) E
3) A
4) A
5) B
6) B
7) C
8) E
9) B
10) B
11) E
12) E
13) A
14) B
15) B
16) B
17) A
18) D
19) C
20) C
21) D
22) C
23) C
24) C
25) B
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