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Questions 1-23 are worth 6 points each. Place your answer on the FRONT side of the Scantron
sheet in the space corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
1: Which of the following is the best Lewis structure for H 2
TeO 4
? (8A-4,5,7,9,10)
A:
O O
O
O
H
H Te
D:
O O
O = O
O
O
H
H Te
Te
O
O
H
H
B:
O Te = O
O
O
H
H
E:
O = O
O
O
H
H Te
C:
O O
O O
O = O
O
O
H
H Te
Te
O
O
H
H
O = O
O
O
H
H Te
Te
O
H
O
H
2: If 11 moles of X and 15 moles of Y are mixed and allowed to react according to the equation: 2 X + 3 Y ➞ 1 Z, what
is the maximum number of moles of Z which could be formed? (4-3)
A: 5.5 B: 11 C: 15 D: 5 E: 10
Questions 1-23 are worth 6 points each. Place your answer on the FRONT side of the Scantron
sheet in the space corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
3: Given the following standard bond dissociation enthalpies in kJ/mole,
Bonds with Carbon Bonds w/H Bonds w/N Other Bonds
C-Br 219 C-I 240 H-Br 324 N-Br 250 Br-Br 193
C-C 350 C=N 615 H-Cl 431 N-Cl 190 Cl-Cl 242
C=C 614 C=N 891 H-F 567 N-F 280 F-F 155
C=C 839 C-O 358 H-H 435 N-I 150 I-I 151
C-Cl 330 C=O 799 H-I 299 N-N 160 O-O 146
C-F 485 C=S 477 H-N 390 N=N 946 O=O 495
C-H 413 H-O 463
H-S 370
what is the enthalpy change for the reaction, 1 Cl 2
+ 2 CH
➞ H
+ 2 CH
Cl? (Note: In CH 3
Cl, C is the central
atom) (9-1)
A: 27 kJ B: -27 kJ C: -110 kJ D: -88 kJ E: 88 kJ
4: When Cl 2
+ HNO
➞ HClO 3
+ NO
(acidic solution) is balanced, the sum of all coefficients is: (9-10)
A: 27 B: 26 C: 31 D: 18 E: 23
5: Which of the following is the best Lewis structure of HCOOH? (8A-4,5,7,9,10)
A:
H O
O
C H
D:
H O
O
C H
B:
H = O
O
C H
E:
H O
O
C H
C:
H O
O
C H
H = O
O
C H
Questions 1-23 are worth 6 points each. Place your answer on the FRONT side of the Scantron
sheet in the space corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
11: What is the weight percent of lithium in lithium phosphate? (3-8)
A: 26.8% B: 55.27% C: 18.0% D: 6.81% E: 14.9%
12: What is the molecular weight of a gas if 2.45 g of the substance occupies 500 mL at 10 ˚C and
560 torr? (5-4)
A: 155 B: 159 C: 72 D: 54.6 E: 83.
13: The best Lewis structure of TeO 3
is: (8A-4,5,7,9,10)
A:
O = O
O
Te
D.
O O
O
Te
B:
O = O
O
Te
E.
O O
O
Te
C:
O = O
O
O = O
O
O O
O
Te
Te
Te
14: Calculate the density of dinitrogen trioxide gas at 235˚C and 367 torr. Express your answer in grams/liter. (5-4)
A: 1.9 g/L B: 6.7 g/L C: 0.072 g/L D: 0.88 g/L E: 1.1 g/L
Questions 1-23 are worth 6 points each. Place your answer on the FRONT side of the Scantron
sheet in the space corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
15: A sample of gas with a temperature of 2.00*
K is manipulated so that its pressure is increased to four times its
original value while its volume is halved. What is the temperature of the gas at the end of the manipulation? (5-2,5)
A: 2.50*
K B: 1.60*
K C: 1.00*
K D: 8.00*
K E: 4.00*
K
16: A 5.21 g sample of methanol (C 2
H
OH) is reacted with 22.3 g of oxygen. What is the maximum amount (theoretical
yield) of water which could be formed? (4-4)
A: 6.11 g B: 12.6 g C: 3.06 g D: 12.2 g E: 9.94 g
17: A gas initially at 126 °C and 761 torr is cooled to 18.0 °C and the pressure is reduced to 647 torr. If the final volume
is 194 mL, what was the initial volume? (5-5)
A: 1.15 x 10
mL B: 3.13 x 10
mL C: 2.26 x 10
mL D: 1.20 x 10
mL E: 1.66 x 10
mL
18: If 0.56 moles of radon and 0.73 moles of hydrogen are placed in a 3.7 liter container at 235˚C, what pressure does the
mixture exert? (5-6)
A: 15 atm B: 6.7 atm C: 8.2 atm D: 6.3 atm E: 2.0 atm
19: When hydrogen burns according to the equation, 2 H 2
(g) + O 2
(g) ➞ 2 H 2
O(l), the change in enthalpy is -579 kJ.
What is the enthalpy change if 1.00 grams of hydrogen reacts in this manner? (6-7)
A: -2.83 x 10
kJ B: -8.43 x 10
kJ C: -1.14 x 10
kJ D: -1.43 x 10
kJ E: -5.65 x 10
kJ
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
51: K-TYPE answer format : Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise. (7B-8)
A: The first ionization energy of P is less than the first ionization energy of Cl. (7B-8)
B: The first ionization energy of Cl is less than the first ionization energy of I. (7B-8)
C: It is easier to remove the first electron from a Tc atom than to remove the second electron. (7B-8)
D: The equation Cu + 1 e
➞ Cu
- I.E. correctly represents ionization energy. (7B-8)
52: K-TYPE answer format: Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: The nucleus contains all of the protons and neutrons in the atom. (3-3)
B: 108
Ag is an isotope of
Pd. (3-3)
C: The mass of the proton is about 1 amu. (3-3)
D: The charge on the neutron is +1. (3-3)
53: K-TYPE answer format: Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: Iron and cobalt are in the same group in the periodic table. (2-5)
B: Sulfur is a halogen. (2-5)
C: Fluorine, nitrogen, and phosphorous are gases under normal conditions. (1-4)
D: Chlorine, hydrogen, and oxygen occur as diatomic species under normal conditions. (1-4)
54: What is the mass of a substance which occupies 272 ml if it has a density of 0.33 g/mL? (1-9)
A: 3.0*
g B: 8.2*
g C: 4.2*
g D: 1.0*
g E: 9.0*
g
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
55: What is the correct electronic configuration of Tc
? (7A-10, 7B-1,2)
A: 1s
2s
2p
3s
3p
4s
3d
4p
4d
B: 1s
2s
2p
3s
3p
4s
3d
4p
5s
4d
C: 1s
2s
2p
3s
3p
4s
3d
4p
5s
4d
D: 1s
2s
2p
3s
3p
4s
3d
4p
5s
4d
E: 1s
2s
2p
3s
3p
4s
3d
4p
5s
4d
56: If strontium reacts with nitrogen the formula of the compound formed is likely to be (2-7)
A: Sr 3
N B: SrN 2
C: SrN D: Sr 3
N
E: Sr 2
N
57: Choose the correct statements from the following concerning CF
and CF
using K-TYPE answer format :
Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: The distance between the atoms is greater in CF
than in CF
. (8A-6)
B: CF
would be easier to break (would require less energy to break) than CF
. (8A-6)
C: CF
is held together by a single bond. (8A-6)
D: CF
is held together by a double bond. (8A-6)
58: K-TYPE answer format : Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
(7B-6,7)
A: Mo
ion is larger than a Mo atom. (7B-6,7)
B: C atom is larger than a Ge atom. (7B-6,7)
C: Si atom is smaller than a Na atom. (7B-6,7)
D: Sr
ion is larger than a Sr atom. (7B-6,7)
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
62: Which of the following correctly lists the compounds in order of decreasing boiling point? (10-4)
A: Ar, CaF 2
, HF B: HF, CaF 2
, Ar C: Ar, HF, CaF 2
D: CaF 2
, HF, Ar E: HF, Ar, CaF 2
63: K-TYPE answer format : Mark a if A, B, C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: SO
is nonpolar. (8B-7,8)
B: NH
is polar. (8B-7,8)
C: A Si-Cl bond is less polar than a P-Cl bond. (8B-2)
D: A nonpolar molecule may contain polar bonds. (8B-3)
64: K-TYPE answer format : Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: The average velocity of gas molecules at 35˚C is less than that in a sample at 70˚C. (5-8)
B: A sample of helium gas at 60
o C and 3 atm would be less likely to act as an ideal gas than would a sample of
the same gas at 95
o C and 3 atm pressure. (5-9)
C: The average speed of nitrogen dioxide gas is less than that of sulfur trioxide gas at the same temperature. (5-8)
D: If volume and amount of gas are held constant, the pressure of a gas increases when the temperature increases.
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
65: K-TYPE answer format: Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: If the empirical formula of a compound is C 2
H
and its molecular weight is 54, the molecular formula of the
compound would be C 4
H
B: Ionic bonding is the attraction between oppositely charged ions. (2-6)
C: If nitrogen reacts with fluorine to form a compound, the bonding in the compound would probably be covalent.
D: If calcium forms an ion, it would have a +1 charge. (2-7)
66: K-TYPE answer format: Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise. (2-9)
A: Oxygen usually has an oxidation number of +2 in compounds. (2-9)
B: The oxidation number of Br in BrO 2
is +3. (2-9)
C: The oxidation number of O in O 2
(g) is -2. (2-9)
D: The oxidation number of N in N 2
O
is +5. (2-9)
67: What type of force(s) must be broken in order to melt CH 4
A: covalent bonds
B: induced dipole-induced dipole interaction (London dispersion forces) AND covalent bonds
C: induced dipole-induced dipole interaction (London dispersion forces)
D: covalent bonds, induced dipole-induced dipole interaction (London dispersion forces), AND H-bonding
E: induced dipole-induced dipole interaction (London dispersion forces) AND H-bonding
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
71: K-TYPE answer format: Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise. (8A-8)
A: The electronegativity of Sb is greater than that of N. (8A-8)
B: The electronegativity of S is greater than that of Al. (8A-8)
C: The formal charge of C in HCO 2
is -1. (8A-5)
D: Electronegativity is defined as the tendency of an atom to attract electrons when bonded to another atom. (8A-
72: K-TYPE answer format : Mark a if A, B, C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: The compounds most likely to display hydrogen bonding are those in which a hydrogen atom is bonded to an F,
N, or O atom. (10-2)
B: The boiling point of water is higher than that of similar compounds. (10-2)
C: Surface tension is defined to be a measure of the tendency of molecules on the surface of a liquid to be pulled
back into the liquid. (10-3)
D: HCl has a higher viscosity than expected compared to similar compounds due to hydrogen bonding. (10-2)
73: K-TYPE answer format : Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: A bond formed by the sharing of electrons is called a covalent bond. (8A-2)
B: If fluorine and sulfur were to react, the compound which forms would probably be covalent. (8A-2)
C: Covalent substances tend to have low melting points. (8A-2)
D: The formula of the compound which would probably form if sodium reacted with nitrogen would be NaN 2
(8A-3)
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
74: Choose the correct statements concerning the species
Ar
using K-TYPE answer format. I.E.Mark "A" if a, b,
and c are correct; "B" if a and c are correct; "C" if b and d are correct; "D" if d only is correct;
and "E" if any other pattern is correct. (2-4)
A: The species contains 18 protons.
B: The species contains 18 electrons.
C: The species contains 19 neutrons.
D: The approximate mass of the species is 40 amu.
75: K-TYPE answer format: Mark a if A,B,C are correct; b if A, C; c if B, D; d if D only; e otherwise.
A: The general electronic configuration of the carbon group is ns
np
. (7B-4,5)
B: A 2p subshell may contain a maximum of 6 electrons. (7A-8,9,10)
C: An element whose electronic configuration is 1s
2s
2p
3s
3p
4s
3d
4p
is in the nitrogen group. (7B-
D: An oxygen atom needs to gain two electrons to have a filled outer shell. (8A-1)
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
78: The Lewis structure of O 3
is: (9-6,7)
O = O
O = O
O
O
On the basis of this a correct description of one of the bonds in O 3
would be "There is a _____ bond between the
central O and the end O atoms, formed by overlap of _____ orbital on the central O and a _____ orbital on the end O
atom."
A: sigma, p, p B: sigma, sp
, sp
C: sigma, sp
, sp
D: sigma, sp
, sp
E: pi, sp
, sp
79: The O-O-O bond angle in O 3
is ____. (Refer to question above.) (8B-5,6,7,8,9,10)
A: 90 ˚ B: 109˚ C: 120 ˚ D: 180˚ E: 90 ˚ or 120 ˚
depending on
atoms considered
80: The best description of the shape of O 3
is _____. (Refer to question above.) (8B-5,6,7,8,9,10)
A: All three atoms lie in a straight line.
B: The three atoms are "bent" or "angular."
C: The three atoms form an equilateral triangle.
D: The three atoms form a tetrahedral.
E: The three atoms form a square.
Questions 51-82 are worth 3 points each. Twenty-four of these types of questions will appear
on the final exam. Place your answer on the BACK side of the Scantron sheet in the space
corresponding to the question number.
You should study your test, study your Handbook modules, and review your drill quizzes BEFORE taking this exam.
When taking it you should do so under exam conditions, i.e. alone, using only a calculator and periodic table, and
waiting until you have completely finished before checking your answers.
81: Choose the correct statements from the following using K-TYPE answer format. I.E. Mark a if A,B,C are
correct; b if A, C; c if B, D; d if D only; e otherwise.
A: If two electrons are placed in the same orbitals they must have opposite spins. (7A-10)
B: The electron in an atom cannot exist at just any distance from the nucleus. (7A-8)
C: The frequency of ultraviolet radiation is greater than that of infrared radiation. (7A-4)
D: After an atom is heated to a very high temperature, it emits a continuous spectrum as it cools and the electrons
return to the lowest energy level. (7A-5)
82: Choose the correct statements from the following using K-TYPE answer format. I.E. Mark a if A,B,C are
correct; b if A, C; c if B, D; d if D only; e otherwise.
A: If NaCl solutions with concentrations of 0.20 M and 0.40 M are mixed, the resulting mixture might have a
concentration of 0.10 M. (4-8)
B: A solute is composed of a solvent and a solution. (4-5)
C: There are strong forces between molecules of an ideal gas until the molecules collide. (5-8)
D: At the same temperature and pressure, 5 moles of ideal gas A would occupy the same volume as would 5 moles
of ideal gas B. (5-8)
