Introduction to General, Organic, and Biochemistry 10th Edition By by Katherine Denniston – Test Bank
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Sample Test
General, Organic, and Biochemistry, 10e (Denniston)
Chapter 3 Structure and Properties of Ionic and Covalent
Compounds
1) What do the dots in a Lewis symbol represent?
1. A)
protons
2. B)
valence electrons
3. C)
innermost (core) electrons
4. D)
the nucleus
5. E)
mass number
Answer: B
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Lewis Dot Symbols
2) What is the Lewis symbol of the fluoride ion?
A)
B)
C)
D)
E)
Answer: B
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.01
Subtopic: Lewis Dot Symbols
3) What are the two principal classes of bonding called?
1. A)
ionic bonding and nuclear bonding
2. B)
covalent bonding and hydrogen bonding
3. C)
hydrogen bonding and ionic bonding
4. D)
polar bonding and ionic bonding
5. E)
ionic bonding and covalent bonding
Answer: E
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding
4) Which combination of atoms is most likely to form an ionic
compound if they are allowed to react with each other?
1. A)
metal and metal
2. B)
metal and nonmetal
3. C)
nonmetal and nonmetal
4. D)
metalloid and metalloid
5. E)
All combinations are likely to form an ionic compound.
Answer: B
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.01
Accessibility: Keyboard Navigation
5) Which statement about compounds is FALSE?
1. A)
Compounds consist of atoms of two or more different elements that are
chemically bonded together.
2. B)
The elements in a compound cannot be separated or recovered by a physical
process.
3. C)
Ionic compounds are composed of cations and anions.
4. D)
Covalent compounds are composed of metals and nonmetals.
5. E)
Intermolecular forces are attractive forces between molecules of a compound,
and are responsible for the compound?s physical properties.
Answer: D
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds
6) A covalent bond involves which of the following?
1. A)
sharing of electrons between two atoms
2. B)
transfer of electrons between two atoms
3. C)
donation of protons from one atom to another
4. D)
electrostatic attraction between opposite charges
5. E)
sharing of protons between two atoms
Answer: A
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding
7) Which statement about chemical bonds is FALSE?
1. A)
The sharing of electrons between two nonmetals results in a covalent bond.
2. B)
The attraction between oppositely charged ions results in an ionic bond.
3. C)
The electrons in covalent bonds may be shared equally or unequally between the
atoms.
4. D) A
bond dipole is the separation of charge that results when atoms sharing
electrons have different electronegativity values.
5. E) A
nonpolar covalent bond is one in which electrons are not shared equally between
the atoms.
Answer: E
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding; Bond Polarity;
Electronegativity
8) What does it mean if an atom is said to have a high
electronegativity?
1. A)
The atom requires a large amount of energy to remove an electron from its
structure.
2. B)
The atom is highly susceptible to losing a valence electron.
3. C)
The atom has a strong attraction for electrons in a chemical bond.
4. D)
The atom releases a large amount of energy when it gains an electron.
5. E)
The atom has more electrons around it than necessary; the atom has an expanded
octet.
Answer: C
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Electronegativity
9) In what region on the periodic table are elements with the
lowest electronegativity values found?
1. A)
upper right corner
2. B)
bottom right corner
3. C)
upper left corner
4. D)
bottom left corner
5. E)
middle
Answer: D
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Electronegativity
10) Considering the electronegativity values indicated in the
table, which covalent bond is the most polar?
1. A)
C−H
2. B) N−O
3. C)
Cl−F
4. D)
H−F
5. E)
F−F
Answer: D
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 4. Analyze
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Bond Polarity; Electronegativity
11) What is the three-dimensional arrangement of positive and
negative ions in an ionic solid called?
1. A)
dipole
2. B)
polyatomic structure
3. C)
crystal lattice
4. D)
cubic ionic structure
5. E)
intermolecular ionic forces
Answer: C
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
12) What is the formula of the ionic compound formed when ions
of calcium and nitrogen combine?
1. A)
CaN
2. B)
CaN2
3. C)
Ca2N
4. D)
Ca3N2
5. E)
Ca2N3
Answer: D
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Monoatomic Ions
13) What is the name of Fe2+ in the Stock system?
1. A)
iron 2 ion
2. B)
iron(II) ion
3. C)
ferric(II) ion
4. D)
ferrous 2+ion
5. E)
iron cation
Answer: B
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Monoatomic Ions; Ion Nomenclature
14) A molecule of deoxyribose, an essential part of DNA,
contains five carbon atoms, ten hydrogen atoms, and four oxygen atoms. How
would the formula of deoxyribose be represented?
1. A)
5C10H4O
2. B)
C5H10O4
3. C)
C5H10O4
4. D)
C5H10O4
5. E)
All formulas are acceptable.
Answer: C
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
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Subtopic: Covalent Compounds
15) Which of the following compounds contains a polyatomic ion?
1. A)
NaOH
2. B)
HCl
3. C)
Ca3N2
4. D)
MgBr2
5. E)
NH3
Answer: A
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Polyatomic Ions
16) What is the name of the ion NH4+?
1. A)
nitrogen tetrahydrate
2. B)
nitrogen hydrate
3. C)
mononitrogen tetrahydrogen
4. D)
ninhydrin
5. E)
ammonium
Answer: E
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Ion Nomenclature; Polyatomic Ions
17) What is the name of the ionic compound with the formula
Na3PO4?
1. A)
silver phosphite
2. B)
sodium phosphorus oxide
3. C)
trisilver tetraphosphate
4. D)
trisodium tetraphosphate
5. E)
sodium phosphate
Answer: E
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 3. Apply
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Polyatomic Ions;
Ionic Compound Nomenclature
18) Emergency treatment of cardiac arrest victims sometimes
involves injection of a calcium chloride (CaCl2) solution directly into the
heart muscle. Which statement about the compound CaCl2 is FALSE?
1. A)
This compound is an ionic compound.
2. B)
The cation in this compound is Ca2+.
3. C)
The anion in this compound is Cl2−.
4. D)
There are two chloride ions in this compound.
5. E)
The net charge on this compound is zero.
Answer: C
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Monoatomic Ions
19) What kind of bonding exists in substances that consist of
discrete molecules?
1. A)
ionic
2. B)
covalent
3. C)
hydrogen bonding
4. D)
intermolecular
5. E)
polar
Answer: B
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding
20) What is the formula of the compound sulfur trioxide?
1. A)
S3O
2. B)
SO3
3. C)
S(O2)3
4. D)
S3O2
5. E)
S3O2?
Answer: B
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 3. Apply
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds; Binary Molecular Compound
Nomenclature
21) Which formula represents ammonia?
1. A)
Al3
2. B)
AlH3
3. C)
NH4+
4. D)
NH3
5. E)
AN4
Answer: D
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds; Binary Molecular Compound
Nomenclature
22) Baking soda consists of the ionic compound sodium
bicarbonate. What is the formula of this compound?
1. A)
Na(CO3)2
2. B)
Na2CO3
3. C)
NaBiCO3
4. D)
NaHCO3
5. E)
Na2HCO3
Answer: D
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Monoatomic Ions;
Polyatomic Ions; Ionic Compound Nomenclature
23) At what temperature is a liquid converted into a gas?
1. A)
the boiling point of the liquid
2. B)
the combustion point of the liquid
3. C)
the flash point of the liquid
4. D)
the condensation point of the liquid
5. E)
100°C
Answer: A
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.03
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds
24) Formaldehyde is a covalent compound used as a preservative
for biological specimens. Which statement concerning the Lewis structure of
formaldehyde, shown below, is FALSE?
1. A)
Four electrons are being shared between the carbon and oxygen atoms.
2. B)
The oxygen atom has four valence electrons that are not being shared.
3. C)
The oxygen and carbon atoms each have an octet of electrons in their valence
shells.
4. D)
The hydrogen atoms have incomplete valence shells.
5. E)
There are a total of 12 valence electrons in formaldehyde.
Answer: D
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.04
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
25) The polyatomic ion known as the diphosphate ion is an
important intermediate formed in metabolic processes. If the ionic compound
calcium diphosphate has the formula Ca2P2O7, which of the following correctly
represents the symbol for the diphosphate ion?
1. A)
P2O74−
2. B)
P2O714-
3. C)
PO4+
4. D)
P2O72−
5. E)
PO2−
Answer: A
Difficulty: 3 Hard
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Subtopic: Formulas for Ionic Compounds; Ion Nomenclature;
Polyatomic Ions; Ionic Compound Nomenclature
26) The drug “lithium” is often prescribed to treat mental
illness. It is not the element lithium, but the ionic compound Li2CO3, that is
actually administered. What is the name of this compound?
1. A)
dilithium carbon trioxide
2. B)
lithium carbide
3. C)
lithium carboxide
4. D)
lithium carbonate
5. E)
lithium tricarbonate
Answer: D
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Polyatomic Ions;
Ionic Compound Nomenclature
27) What is the Lewis structure of methanethiol, CH3SH?
A)
B)
C)
D)
E)
Answer: B
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.04
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
28) Which properly represents the Lewis structure of hydrogen
sulfide, H2S?
A)
B)
C)
D)
E)
Answer: B
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.04
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
29) What is wrong with the Lewis structure shown for sulfur
trioxide, SO3?
1. A)
Oxygen, not sulfur, should be the central atom.
2. B)
Sulfur should have 10 electrons around it instead of 8, to show its expanded
octet.
3. C)
The structure shows 26 valence electrons, but there should only be 24.
4. D)
There are too many bonding electrons shown.
5. E)
The structure should show each oxygen atom with a double bond to the sulfur
atom.
Answer: C
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 5. Evaluate
Section number: 03.04
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
30) Which of the following Lewis structures represent resonance
forms of ozone, O3?
1. A) A
and B
2. B) B
and C
3. C) C
and D
4. D) A
and C
5. E) A
and D
Answer: C
Section number: 03.04
31) Which statement about general bonding characteristics is
FALSE?
1. A)
Bond energy is the amount of energy required to break a bond holding two atoms together.
2. B)
Bond length is the distance of separation of two nuclei in a covalent bond.
3. C)
Triple bonds have higher bond energies than double bonds.
4. D)
Single bonds are easier to break than double bonds.
5. E) A
triple bond is longer than a single bond.
Answer: E
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding
32) Vehicle airbags inflate when the ionic compound sodium azide
rapidly decomposes to the elements sodium and nitrogen. If the azide ion is a
polyatomic ion with the formula N3−, what is the formula of sodium azide?
1. A)
NaN3
2. B)
Na3N3
3. C)
Na3(N3)3
4. D)
Na3N
5. E)
Na(N3)3
Answer: A
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Polyatomic Ions;
Ionic Compound Nomenclature
33) The ionic compound iron(II) sulfate is used in
iron-containing supplements. What does the (II) in the name of this compound
specifically indicate?
1. A)
There are two iron ions in this compound.
2. B)
The charge on the iron ion is 2+.
3. C)
The charge on the sulfate ion is 2−.
4. D)
Iron has two valence electrons.
5. E)
There are two sulfate ions in this compound.
Answer: B
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Ion Nomenclature; Ionic Compound Nomenclature
34) What statement about the ammonia molecule, NH3, is FALSE?
1. A)
The molecule contains three polar bonds.
2. B)
The molecule itself is not polar.
3. C)
The molecule has a trigonal pyramidal shape.
4. D)
The nitrogen atom has one nonbonding pair of electrons.
5. E)
The pull of the electrons in the N-H bonds is toward the nitrogen atom.
Answer: B
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Bond Polarity; Electronegativity; Lewis
Structures; Polarity of Molecules; Valence-Shell Electron-Pair Repulsion Theory
(VSEPR) and Molecular Shape
35) How many dots are present in the Lewis symbol for the
fluorine atom?
1. A) 5
2. B) 6
3. C) 7
4. D) 8
5. E) 10
Answer: C
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Lewis Dot Symbols
36) Predict the formula of the compound formed when ions of
sodium and sulfur combine.
1. A)
Na2S
2. B)
NaS2
3. C)
NaS
4. D)
Na2S2
5. E)
Na3S
Answer: A
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Monoatomic Ions
37) What is the formula of the sulfate ion?
1. A)
SO4-
2. B)
SO3-
3. C)
SO42-
4. D)
SO32-
5. E)
SO22-
Answer: C
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Ion Nomenclature; Polyatomic Ions
38) What is the name of the ion whose formula is NO3-?
1. A)
nitrogen trioxide ion
2. B)
nitrate ion
3. C)
ammonium ion
4. D)
sodium oxide ion
5. E)
nitride ion
Answer: B
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Ion Nomenclature; Polyatomic Ions
39) What is the name of CuF2 in the Stock system?
1. A)
copper(I) fluoride
2. B)
copper(II) fluorate
3. C)
copper difluoride
4. D)
copper fluoride
5. E)
copper(II) fluoride
Answer: E
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Monoatomic Ions;
Ion Nomenclature; Ionic Compound Nomenclature
40) What is the formula of the ionic compound sodium carbonate?
1. A)
NaCO2
2. B)
Na2CO2
3. C)
Na2CO3
4. D)
Na(CO3)2
5. E)
Na3CO3
Answer: C
Difficulty: 3 Hard
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Polyatomic Ions;
Ionic Compound Nomenclature
41) What is the name of the compound whose formula is CCl4?
1. A)
carbon tetrachloride
2. B)
carbon(IV) chloride
3. C)
carbon chloride
4. D)
carbotetrachloride
5. E)
carbonate tetrachloride
Answer: A
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds; Binary Molecular Compound
Nomenclature
42) How many bonding electrons are present in the Lewis
structure for the bicarbonate ion, shown below?
1. A) 4
2. B) 5
3. C) 8
4. D) 10
5. E) 24
Answer: D
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.04
Subtopic: Covalent Bonding; Lewis Structures
43) If the shape of a molecule is tetrahedral, what are the
values of the bond angles?
1. A)
90°
2. B)
109.5°
3. C)
120°
4. D)
180°
5. E)
90° and 120°
Answer: B
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Valence-Shell Electron-Pair Repulsion Theory
(VSEPR) and Molecular Shape
44) In the molecule AX2, the central atom A has two lone pairs
of electrons in addition to the two bond pairs in the A-X bonds. What is the
shape of this molecule?
109.
A) bent, bond angle close to 109.5°
110.
B) bent, bond angle close to 120°
111.
C) linear
112.
D) trigonal planar
113.
E) trigonal pyramidal
Answer: A
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Valence-Shell Electron-Pair Repulsion Theory
(VSEPR) and Molecular Shape
45) Which Lewis symbol for an ion is incorrect?
1. A)
Na+
2. B)
Ca2+
3. C)
Sn4+
D)
E)
Answer: E
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.01
Subtopic: Lewis Dot Symbols
46) The ionic compound magnesium hydroxide can be found in
antacid tablets. What is the formula of magnesium hydroxide?
1. A)
Mg2OH
2. B)
MgOH2
3. C)
MgO2H2
4. D)
Mg(OH)2
5. E)
MgOH
Answer: D
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Polyatomic Ions;
Ionic Compound Nomenclature
47) Which element has the greatest electronegativity?
1. A) H
2. B) Cl
3. C) O
4. D) F
5. E) Na
Answer: D
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Electronegativity
48) Which element has the greatest electronegativity?
1. A) Si
2. B) P
3. C) Cl
4. D) Ar
5. E) Br
Answer: C
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Electronegativity
49) In the compound shown below, how can the bond between carbon
and chlorine be described?
1. A)
intermolecular
2. B)
ionic
3. C) nonpolar
covalent
4. D)
polar covalent
5. E)
nonpolar ionic
Answer: D
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.01
Subtopic: Covalent Bonding; Bond Polarity;
Electronegativity
50) Which one of the following is NOT true about elements that
form cations?
1. A)
The atoms lose electrons in forming ions.
2. B)
The elements are metals.
3. C)
They are located to the left of the periodic table.
4. D)
They have low ionization energies.
5. E)
They have high electron affinities.
Answer: E
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Monoatomic Ions
51) Assuming reactions between the following pairs of elements,
which pair is most likely to form an ionic compound?
1. A)
copper and tin
2. B)
chlorine and oxygen
3. C)
cesium and iodine
4. D)
carbon and chlorine
5. E)
fluorine and iodine
Answer: C
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.01
Accessibility: Keyboard Navigation
52) What kind of bond results when electron transfer
occurs between atoms of two different elements?
1. A)
ionic
2. B)
covalent
3. C)
nonpolar
4. D)
single
5. E)
double
Answer: A
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
53) What is the Stock name of Cu+?
1. A)
cupric ion
2. B)
cuprous ion
3. C)
copper(I) ion
4. D)
copper(II) ion
5. E)
cuprate ion
Answer: C
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Monoatomic Ions; Ion Nomenclature
54) What is the name of Fe2(SO4)3 in the Stock system?
1. A)
iron monosulfuric acid
2. B)
iron(II) sulfate
3. C)
iron(III) sulfate
4. D)
iron trisulfate
5. E)
iron(II) trisulfate
Answer: C
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 3. Apply
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Formulas for Ionic Compounds; Monoatomic Ions;
Polyatomic Ions; Ionic Compound Nomenclature
55) Assuming reactions between the following pairs of elements,
which pair is most likely to form a covalent compound?
1. A)
lithium and iodine
2. B)
sodium and oxygen
3. C)
calcium and chlorine
4. D)
copper and tin
5. E)
carbon and oxygen
Answer: E
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 4. Analyze
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds
56) A double bond between two atoms, A and B, ________.
1. A) is
longer than a single bond between the same two atoms.
2. B)
has a lower bond energy than a single bond between the same two atoms.
3. C)
arises when two electrons are transferred from A to B.
4. D)
consists of two electrons shared between A and B.
5. E)
consists of four electrons shared between A and B.
Answer: E
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 2. Understand
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
57) What is the correct formula of diphosphorus pentoxide?
1. A)
P5O2
2. B)
PO2
3. C)
P2O4
4. D)
P2O5
5. E)
P5O
Answer: D
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.02
Accessibility: Keyboard Navigation
Subtopic: Covalent Compounds; Binary Molecular Compound
Nomenclature
58) What term describes the temperature at which a solid is
converted into a liquid?
1. A)
critical point
2. B)
flash point
3. C)
sublimation point
4. D)
melting point
5. E)
boiling point
Answer: D
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.03
Accessibility: Keyboard Navigation
Subtopic: Physical Properties of Ionic Compounds
59) What term describes a solution of a compound in water that
does not conduct an electric current?
1. A)
amorphous solution
2. B) an
electrolyte solution
3. C) a
nonelectrolyte solution
4. D)
superconducting solution
5. E)
isoelectric solution
Answer: C
Difficulty: 1 Easy
Topic: Compounds
Bloom’s: 1. Remember
Section number: 03.03
Accessibility: Keyboard Navigation
Subtopic: Physical Properties of Ionic Compounds
60) How many bonding electrons are in CO2?
1. A) 1
2. B) 2
3. C) 3
4. D) 4
5. E) 8
Answer: E
Difficulty: 3 Hard
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
61) How many nonbonding electrons are in CH4?
1. A) 0
2. B) 1
3. C) 2
4. D) 3
5. E) 8
Answer: A
Difficulty: 3 Hard
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
62) How many total valence electrons are in SO42- ?
1. A) 2
2. B) 64
3. C) 32
4. D) 12
5. E) 16
Answer: C
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.04
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding; Lewis Structures; Octet Rule
63) According to the VSEPR theory, what is the geometry (shape)
around the phosphorus atom in the Lewis structure shown below?
1. A)
linear
2. B)
bent (angular)
3. C)
trigonal planar
4. D)
trigonal pyramidal
5. E)
tetrahedral
Answer: D
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 3. Apply
Section number: 03.04
Subtopic: Valence-Shell Electron-Pair Repulsion Theory
(VSEPR) and Molecular Shape
64) Which of the following is an essential feature of ionic
bonding?
1. A)
Elements with high ionization energy form bonds with elements with high
electron affinity.
2. B)
Elements with high ionization energy form bonds with elements with low electron
affinity.
3. C)
Elements with low ionization energy form bonds with elements with low electron
affinity.
4. D)
Elements with low ionization energy form bonds with elements with high electron
affinity.
5. E)
The ionization and electron affinity of elements does not determine bonding.
Answer: D
Difficulty: 2 Medium
Topic: Compounds
Bloom’s: 2. Understand
Section number: 03.01
Accessibility: Keyboard Navigation
65) Which of the following bonds would be the most polar?
1. A)
P-F
2. B)
N-F
3. C)
S-Cl
4. D)
Br-Br
5. E)
F-F
Answer: A
Difficulty: 2 Medium
Topic: Chemical Bonding
Bloom’s: 4. Analyze
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Bond Polarity; Electronegativity
66) A covalent bond is formed when
1. A)
two metals share a pair of electrons.
2. B) a
metal and a nonmetal share a pair of electrons.
3. C) a
nonmetal donates an electron to a metal.
4. D)
cations and anions join as an ion pair.
5. E)
two nonmetals share a pair of electrons.
Answer: E
Difficulty: 1 Easy
Topic: Chemical Bonding
Bloom’s: 1. Remember
Section number: 03.01
Accessibility: Keyboard Navigation
Subtopic: Covalent Bonding
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