General, Organic, & Biological Chemistry 4th Edition by Janice Smith – Test Bank
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Sample Test
General, Organic and Biological Chemistry, 4e (Smith)
Chapter 3 Ionic Compounds
1) Which is NOT an ionic compound?
1. A)
KCl
2. B)
Ca(NO3)2
3. C)
CBr4
4. D) AlBr3
2) Which is NOT a covalent compound?
1. A)
Br2
2. B)
NO2
3. C)
NH3
4. D)
NaNO2
5. E)
More than one of the compounds is not a covalent compound.
3) In bonding, main group elements ________ to attain the
electronic configuration of the noble gas closest to them in the periodic
table.
1. A)
gain electrons
2. B)
lose electrons
3. C)
share electrons
4. D)
gain, lose, or share electrons
4) ________ are negatively charged ions that have ________
electrons than protons.
1. A)
Anions; more
2. B)
Cations; more
3. C)
Anions; less
4. D) Cations;
less
5) Which statement concerning the ion Li+ is correct?
1. A)
Li+has two total electrons.
2. B)
Li+has an octet of electrons in its valence shell.
3. C)
Li+is formed when a lithium atom gains one electron.
4. D)
Li+is formed when a lithium atom gains one proton.
6) What is the electron configuration of an F– ion?
1. A) 1s22s22p4
2. B) 1s22s22p5
3. C) 1s22s22p6
4. D) 1s22s22p63s1
7) What is the ion symbol for an atom with twenty (20) protons
and eighteen (18) electrons?
1. A) Ca
2. B)
Ca2+
3. C) Ar
4. D)
Ar2+
5. E)
Ar2–
8) When forming ions, metals typically do which of the
following?
1. A)
Lose electrons to form negatively charged ions
2. B)
Gain protons to form cations
3. C)
Gain electrons to form anions
4. D)
Lose electrons to form positively charged ions
9) What is the ion symbol for an atom with sixteen (16) protons
and eighteen (18) electrons?
1. A)
S2–
2. B) S
3. C) Ar
4. D)
Ar2+
5. E)
Ar2–
10) How many protons and electrons are present in Co2+?
1. A) 27
protons, 27 electrons
2. B) 27
protons, 29 electrons
3. C) 27
protons, 25 electrons
4. D) 29
protons, 27 electrons
11) What is the symbol for the ion formed by magnesium?
1. A)
Mg2–
2. B)
Mg3+
3. C)
Mg2+
4. D)
Mg4–
12) What is the charge of the ions formed by group 7A elements?
1. A) +1
2. B) +7
3. C) –1
4. D) –7
13) What is the ion symbol of the oxide ion?
1. A)
O2–
2. B)
O22–
3. C) O2
4. D)
O2+
5. E)
O6–
14) Which element has a variable charge?
1. A) Na
2. B) Fe
3. C) Al
4. D) C
15) Consider the A atom and the A2– ion. Which will have the
larger radius (size)?
1. A)
The A2–ion
2. B)
The A atom
3. C)
They will both have identical radii
4. D) Impossible
to determine
16) Consider the B atom and the B+ ion. Which will have the
larger radius (size)?
1. A)
The B+ion
2. B)
The B atom
3. C)
They will both have identical radii
4. D)
Impossible to determine
17) Which pair of elements will form an ionic compound?
1. A)
Sulfur and oxygen
2. B)
Copper and iron
3. C)
Iron and chlorine
4. D)
Bromine and oxygen
18) What is the formula for the ionic compound formed when
potassium and bromine combine?
1. A)
PBr
2. B)
KBr
3. C)
KBr2
4. D)
K2Br
5. E)
K7Br
19) What is the formula for the ionic compound lithium oxide?
1. A)
LiO
2. B)
LiO2
3. C)
Li2O
4. D)
Li2O2
20) Which statement best explains the basis for the octet rule?
1. A)
Atoms are most stable when they have eight bonds.
2. B)
Atoms lose, gain, or share electrons to become a stable, noble gas.
3. C)
Atoms are most stable with eight protons in their nucleus.
4. D)
Atoms are most stable with eight electrons in their valence shell and the
electron configuration of a noble gas.
21) What is the formula for the ionic compound formed when
magnesium and oxygen combine?
1. A)
MgO
2. B)
MgO2
3. C)
Mg2O
4. D)
Mg2O2
22) What is the formula for the ionic compound formed when
aluminum and sulfur combine?
1. A)
AlS
2. B)
Al2S3
3. C)
AlS3
4. D)
Al2S
5. E)
Al3S2
23) What is the proper name for CuCl?
1. A)
Copper chloride
2. B)
Copper (I) chloride
3. C)
Copper (II) chloride
4. D)
Copper monochloride
24) What is the proper name for MgF2?
1. A)
Magnesium fluoride
2. B)
Magnesium (I) fluoride
3. C)
Magnesium (II) fluoride
4. D)
Magnesium difluoride
25) What is the name of the SO42– ion?
1. A)
Sulfide ion
2. B) Sulfate
ion
3. C)
Sulfite ion
4. D)
Bisulfate ion
26) What is the chemical formula for the ionic compound calcium
selenide?
1. A)
Ca2Se2
2. B)
CaSe
3. C)
CaSe2
4. D)
Ca2Se
27) What is the chemical formula of tin (IV) cyanide?
1. A)
Sn4CN
2. B)
SnCN4
3. C)
Sn(CN)4
4. D)
SnC4N4
28) What is the charge on the iron ion in the compound Fe2O3?
1. A) +1
2. B) +2
3. C) +3
4. D) +4
29) What is the charge on the nickel ion in the compound NiCl2?
1. A) +1
2. B) +2
3. C) +3
4. D) +4
30) Which roman numeral correctly completes the name of the
compound CrO?
1. A) Chromium
(I) oxide
2. B)
Chromium (II) oxide
3. C)
Chromium (III) oxide
4. D)
Chromium (IV) oxide
31) The formula for zinc acetate is ________.
1. A)
ZnCH3CO2
2. B)
Zn(CH3CO2)2
3. C)
Zn(HCO3)2
4. D)
Zn(HCl)8
32) Which chemical formula is NOT correct?
1. A)
Na2HCO3
2. B) NaNO3
3. C)
Na2HPO4
4. D)
Na2SO3
5. E)
More than one of the formulas is not correct.
33) Which chemical formula is correct?
1. A)
Ag(CH3CO2)2
2. B)
K2CN
3. C)
Mg(OH)2
4. D)
MgHCO3
5. E)
More than one of the formulas is correct.
34) An atom has the electron-dot symbol shown below. If this
atom is a main group element, what charge will it form in its ionic state?
1. A) –1
2. B) +3
3. C) –5
4. D) –3
35) Which atom fits the electron-dot symbol shown below?
1. A) Li
2. B) B
3. C) N
4. D) Na
36) If atoms with the electron-dot symbols shown below are
combined, what is the formula of the ionic compound that is formed?
1. A) XY
2. B)
X2Y
3. C)
XY2
4. D)
X2Y2
5. E)
X3Y2
37) What is the correct formula for the ionic compound formed
from the cation X2+ and
the anion Y– that
results in zero overall charge?
1. A)
X2Y
2. B) XY
3. C)
XY2
4. D)
X2Y2
38) What is the correct formula for the ionic compound formed
from the cation X3+ and
the anion Y2– that
results in zero overall charge?
1. A)
X2Y3
2. B)
X2Y
3. C)
X3Y2
4. D)
XY3
39) If atoms with the electron-dot symbols shown below are
combined, what is the formula of the ionic compound that is formed?
1. A) XY
2. B)
X2Y
3. C)
XY2
4. D)
X2Y2
5. E)
X3Y2
40) Which group of the Periodic Table does not typically form
ions?
1. A)
Group 1A
2. B)
Group 2A
3. C)
Group 6A
4. D)
Group 7A
5. E)
Group 8A
41) What period 4 element forms an ion with a –1 charge?
1. A)
Sulfur
2. B)
Bromine
3. C)
Iodine
4. D)
Rubidium
5. E)
Potassium
42) What is the name of the compound (NH4)2SO4?
1. A)
Ammonium sulfide
2. B)
Ammonia sulfate
3. C)
Ammonia sulfoxide
4. D)
Ammonium sulfate
5. E) Diammonium
sulfate
43) The correct name for Ag2O is ________.
1. A)
silver (II) oxide
2. B)
silver (I) oxide
3. C)
silver oxide
4. D)
disilver oxide
44) Which compound has the highest melting point?
1. A)
KCl
2. B)
CH4
3. C)
C6H12O6
4. D)
H2O
45) What is the charge on the chromium ion in the ionic compound
CrCl3?
1. A) +6
2. B) +3
3. C) –3
4. D) –6
5. E)
Not enough information is given to determine the charge.
46) What is the formula for the ionic compound formed from the
lead (II) ion and the carbonate ion?
1. A)
Pb(CO3)2
2. B)
PbCO3
3. C) Pb2CO3
4. D)
PbCO4
47) The correct name for AuI3 is ________.
1. A)
silver iodide
2. B)
gold iodide
3. C)
gold (III) iodide
4. D)
gold iodide (III)
48) What is the formula for chromous cyanide?
1. A)
CrCN
2. B)
Cr(CN)2
3. C)
Cr(CN)3
4. D)
Cr2CN
49) The diphosphate ion is a biologically important polyatomic
ion. If the ionic compound calcium diphosphate has the formula Ca2P2O7, which
correctly represents the ion symbol of the diphosphate ion?
1. A)
P2O72–
2. B)
PO4–
3. C) 2
PO46–
4. D)
P2O74–
50) Anions are formed when a neutral atom gains one or more
electrons.
51) Cations are smaller in size than the atoms from which they
are formed.
52) When an atom gains or loses electrons, the ion formed will
have the same radius (size).
53) The (II) in the name of the ionic compound lead (II) acetate
specifically indicates that there are two lead ions present in the compound.
54) Neutral atoms always contain an equal number of protons,
neutrons, and electrons.
55) Ionic compounds are composed of individual molecules,
discrete groups of atoms that share electrons.
56) Ionic compounds are composed of positively and negatively
charged ions held together by strong electrostatic forces.
57) Bonding is the joining of two atoms in a stable arrangement.
58) Ionic bonds result from the sharing of electrons between two
atoms.
59) A cation is positively charged, and has more electrons than
the neutral atom.
60) The ionic formula for zinc oxide is ZnO2.
61) Ionic compounds have very high melting points compared to
covalent compounds.
62) All ionic compounds are soluble in water.
63) An ionic compound is a pure substance formed by chemically
combining two or more nonmetal atoms together.
64) A polyatomic ion is an ion that forms more than one charge.
65) The name of an anion usually ends in the -ide if it is
derived from a single atom or -ate (or -ite) if it is
polyatomic.
66) The correct name for CaHPO4 is calcium phosphate.
67) The symbol for the nitrite ion is NO2–.
68) The noble gas that has the same electronic configuration as
the iodide ion is krypton.
69) Elements in group 2A form ions with a +2 charge.
70) Ionic compounds are usually solids at room temperature.
71) The formula for copper (II) hydroxide is Cu(OH)2.
72) Sodium nitrate and sodium nitrite are two acceptable names
for the same compound.
73) Sodium bicarbonate and sodium hydrogen carbonate are two
acceptable names for the same compound.
74) The sulfite ion contains more oxygen atoms than the sulfate
ion.
75) The carbonate ion contains the same number of oxygen atoms
as the sulfate ion.
76) The electron configuration for the sulfide ion is 1s22s22p63s23p64s2.
77) If the main group element has an electron-dot symbol of ,
the charge of the resulting ion will be +2.
78) If the main group element has an electron-dot symbol of ,
the charge of the resulting ion will be –2.
79) All polyatomic ions are anions.
80) All isotopes of an element form the same type of ion.
81) All p block
elements form ions.
82) The ion symbol for the ferric ion is Fe2+.
83) An iron (III) ion has 29 protons and 26 electrons.
84) An iodide ion has 53 protons and 54 electrons.
85) Strontium and barium form ions with the same charge.
86) Potassium sulfide has the chemical formula K2S.
87) In crystal of an ionic compound, the cations are surrounded
by anions so that the charges of the ions are balanced.
88) The formula for stannic fluoride is SnF4.
89) The chemical formulas of ionic compounds are written with
the cation first, and then the anion, with subscripts to show how many of each
are needed to have zero net charge.
90) A main group element is especially stable when it possesses
eight total electrons.
91) When magnesium forms an ion it gains two electrons.
92) When forming an ion, an atom with the electron-dot symbol
of forms an anion with a –3 charge by the loss of three electrons.
93) Ionic bonds form between a metal on the ________ side of the
periodic table and a nonmetal on the ________ side.
94) The electrons in the outermost occupied shell of an atom are
called the ________ electrons.
95) The ________ rule states that a main group element is
especially stable when it possesses eight electrons in its outer shell.
96) The chemical formula for iron (III) bicarbonate is ________.
97) The formula for the ammonium ion is ________.
98) The electron configuration of the oxide ion is ________.
99) The Ca2+ ion contains ________ protons.
1. A) 20
2. B) 18
3. C) 22
4. D) 40
5. E) 2
100) In bonding, main group elements gain, lose, or share
electrons to attain the ________ of the nearest noble gas neighbor to them in
the periodic table.
General, Organic and Biological Chemistry, 4e (Smith)
Chapter 5 Chemical Reactions
1) The law of conservation of mass states that ________.
1. A)
atoms cannot be created or destroyed in a chemical reaction
2. B)
molecules cannot be created or destroyed in a chemical reaction
3. C)
compounds cannot be created or destroyed in a chemical reaction
4. D)
heat cannot be created or destroyed in a chemical reaction
2) Identify the correct classification for the reaction 2
PbSO4→ 2 PbSO3 + O2
1. A)
Combination
2. B)
Decomposition
3. C)
Single Replacement
4. D)
Double Replacement
5. E)
None of the choices are correct.
3) Identify the correct classification for the reaction H2O +
SO3→ H2SO4
1. A)
Combination
2. B)
Decomposition
3. C)
Single Replacement
4. D)
Double Replacement
5. E)
None of the choices are correct.
4) Which reaction is a double displacement reaction?
1. A) 3
Mg + Fe2O3→ 2 Fe + 3 MgO
2. B) 2
KBr + Cl2→ 2 KCl + Br2
3. C) 2
H2+ O2→ 2 H2O
4. D) 3
Ca(OH)2+ Al2(SO4)3 → 3 CaSO4 + 2 Al(OH)3
5) Identify the correct product that would complete the
following double displacement reaction:
NaOH + HBr → ___ + H2O
1. A)
HBr
2. B)
NaH
3. C)
NaBr
4. D)
OBr2
5. E)
None of the choices are correct.
6) The Greek letter delta (Δ) may be written over the reaction
arrow in a chemical equation to indicate that ________.
1. A)
heat is generated when the reaction occurs
2. B) a
catalyst is needed for the reaction to occur
3. C)
water is needed for the reaction to occur
4. D)
heat is needed for the reaction to occur
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