5.1
The mass ratio of lead to sulfur in lead(II) sulfide is
270.0 g lead and 41.8 g sulfur. How much lead is
required to completely react with 85.6 g of sulfur?
1.
2.
3.
4.
5.
13.3 g
185 g
228 g
312 g
553 g
5.1
The mass ratio of lead to sulfur in lead(II) sulfide is
270.0 g lead and 41.8 g sulfur. How much lead is
required to completely react with 85.6 g of sulfur?
1.
2.
3.
4.
5.
13.3 g
185 g
228 g
312 g
553 g
5.2
How many hydrogen atoms are in the formula
ammonium phosphate, (NH4)3PO4?
1.
2.
3.
4.
5.
1
3
4
7
12
5.2
How many hydrogen atoms are in the formula
ammonium phosphate, (NH4)3PO4?
1.
2.
3.
4.
5.
1
3
4
7
12
5.3
What is the carbon-hydrogen mass ratio of
methane (CH4)?
1.
2.
3.
4.
5.
1
0.33
3
4
0.25
5.3
What is the carbon-hydrogen mass ratio of
methane (CH4)?
1.
2.
3.
4.
5.
1
0.33
3
4
0.25
5.4
Write the chemical formula of the compound
containing 2 oxygen atoms and 5 phosphorus
atoms?
1.
2.
3.
4.
5.
2O5P
O2P5
PO
P2.5O
P5O2
5.4
Write the chemical formula of the compound
containing 2 oxygen atoms and 5 phosphorus
atoms?
1.
2.
3.
4.
5.
2O5P
O2P5
PO
P2.5O
P5O2
5.5
What is the total number of atoms in a molecule of
glucose (C6H12O6)?
1.
2.
3.
4.
5.
2
3
6
12
24
5.5
What is the total number of atoms in a molecule of
glucose (C6H12O6)?
1.
2.
3.
4.
5.
2
3
6
12
24
5.6
How many different kinds of atoms are in a
molecule of penicillin (C14H20N2SO4)?
1.
2.
3.
4.
5.
41
36
14
5
1
5.6
How many different kinds of atoms are in a
molecule of penicillin (C14H20N2SO4)?
1.
2.
3.
4.
5.
41
36
14
5
1
5.7
Which of these elements is a diatomic gas at room
temperature?
1.
2.
3.
4.
5.
Bromine
Iodine
Neon
Chlorine
Sulfur
5.7
Which of these elements is a diatomic gas at room
temperature?
1.
2.
3.
4.
5.
Bromine
Iodine
Neon
Chlorine
Sulfur
5.8
Which of the following species is an atomic
element?
1.
2.
3.
4.
5.
Mercury
NaCl
Oxygen gas
CO2
H2
5.8
Which of the following species is an atomic
element?
1.
2.
3.
4.
5.
Mercury
NaCl
Oxygen gas
CO2
H2
5.9
Aluminum carbonate is considered which of the
following?
1.
2.
3.
4.
5.
Atomic element
Molecular element
Molecular compound
Ionic compound
Diatomic molecule
5.9
Aluminum carbonate is considered which of the
following?
1.
2.
3.
4.
5.
Atomic element
Molecular element
Molecular compound
Ionic compound
Diatomic molecule
5.10
How many elements occur as diatomic molecules?
1.
2.
3.
4.
5.
4
6
3
10
7
5.10
How many elements occur as diatomic molecules?
1.
2.
3.
4.
5.
4
6
3
10
7
5.11
What is the formula of the compound formed
between lithium and nitrogen?
1.
2.
3.
4.
5.
LiN2
Li2N3
Li3N2
Li3N
LiN
5.11
What is the formula of the compound formed
between lithium and nitrogen?
1.
2.
3.
4.
5.
LiN2
Li2N3
Li3N2
Li3N
LiN
5.12
The name of the compound AgCl is:
1.
2.
3.
4.
5.
Silver chlorine
Silver chloride
Silver(I) chloride
Silver monochloride
Monosilver monochloride
5.12
The name of the compound AgCl is:
1.
2.
3.
4.
5.
Silver chlorine
Silver chloride
Silver(I) chloride
Silver monochloride
Monosilver monochloride
5.13
The name of the compound Fe2O3 is
1.
2.
3.
4.
5.
Iron oxide
Iron(II) oxide
Iron(III) oxide
Diiron trioxide
Iron(II) oxide(III)
5.13
The name of the compound Fe2O3 is
1.
2.
3.
4.
5.
Iron oxide
Iron(II) oxide
Iron(III) oxide
Diiron trioxide
Iron(II) oxide(III)
5.14
Identify the formulas of the following oxyanions in
their correct order: sulfate ion and sulfite ion.
1.
2.
3.
4.
5.
SO41– and SO31–
SO31– and SO41–
SO42– and SO32–
SO32– and SO42–
SO42– and SO3`
5.14
Identify the formulas of the following oxyanions in
their correct order: sulfate ion and sulfite ion.
1.
2.
3.
4.
5.
SO41– and SO31–
SO31– and SO41–
SO42– and SO32–
SO32– and SO42–
SO42– and SO3`
5.15
What is the formula of the ammonium ion?
1.
2.
3.
4.
5.
NH31+
NH3
NH42+
NH4
NH41+
5.15
What is the formula of the ammonium ion?
1.
2.
3.
4.
5.
NH31+
NH3
NH42+
NH4
NH41+
5.16
Name the following polyatomic ions in their listed
order: OH1–, CO32–, and PO43–.
1.
2.
3.
4.
5.
Hydroxide ion, carbonate ion, phosphate ion
Oxide ion, carbonate ion, phosphate ion
Hydroxide ion, carbonite ion, phosphite ion
Hydroxide ion, carbonite ion, phosphate ion
Oxide ion, carbonate ion, phosphite ion
5.16
Name the following polyatomic ions in their listed
order: OH1–, CO32–, and PO43–.
1.
2.
3.
4.
5.
Hydroxide ion, carbonate ion, phosphate ion
Oxide ion, carbonate ion, phosphate ion
Hydroxide ion, carbonite ion, phosphite ion
Hydroxide ion, carbonite ion, phosphate ion
Oxide ion, carbonate ion, phosphite ion
5.17
The name of the compound NH4ClO4 is:
1.
2.
3.
4.
5.
Ammonium chloride
Ammonium chlorite
Ammonium hypochlorite
Ammonium chlorate
Ammonium perchlorate
5.17
The name of the compound NH4ClO4 is:
1.
2.
3.
4.
5.
Ammonium chloride
Ammonium chlorite
Ammonium hypochlorite
Ammonium chlorate
Ammonium perchlorate
5.18
The name of the compound SnO2 is:
1.
2.
3.
4.
5.
Stannium oxide
Stannium(II) oxide
Stannium(IV) oxide
Tin(II) oxide
Tin(IV) oxide
5.18
The name of the compound SnO2 is:
1.
2.
3.
4.
5.
Stannium oxide
Stannium(II) oxide
Stannium(IV) oxide
Tin(II) oxide
Tin(IV) oxide
5.19
The name of the compound PI3 is:
1.
2.
3.
4.
5.
Phosphorus iodide
Monophosphorus triiodide
Phosphorus triiodide
Phosphorus(III) iodide
Potassium iodide
5.19
The name of the compound PI3 is:
1.
2.
3.
4.
5.
Phosphorus iodide
Monophosphorus triiodide
Phosphorus triiodide
Phosphorus(III) iodide
Potassium iodide
5.20
The name of the compound HCN(aq) is:
1.
2.
3.
4.
5.
Hydrocyanic acid
Hydrogen cyanide
Percyanic acid
Cyanic acid
Hypocyanous acid
5.20
The name of the compound HCN(aq) is:
1.
2.
3.
4.
5.
Hydrocyanic acid
Hydrogen cyanide
Percyanic acid
Cyanic acid
Hypocyanous acid
5.21
The name of the compound HCl(g) is:
1.
2.
3.
4.
5.
Hydrochloric acid
Hydrogen chloride
Hypochlorous acid
Chloric acid
Hypochloric acid
5.21
The name of the compound HCl(g) is:
1.
2.
3.
4.
5.
Hydrochloric acid
Hydrogen chloride
Hypochlorous acid
Chloric acid
Hypochloric acid
5.22
The correct formula for chloric acid is:
1.
2.
3.
4.
5.
HClO
HClO2
HClO3
HClO4
HClO5
5.22
The correct formula for chloric acid is:
1.
2.
3.
4.
5.
HClO
HClO2
HClO3
HClO4
HClO5
5.23
The correct formula for nickel(II) carbonate is:
1.
2.
3.
4.
5.
NiCO3
Ni2CO3
Ni(CO3)2
NiC
Ni3(CO2)2
5.23
The correct formula for nickel(II) carbonate is:
1.
2.
3.
4.
5.
NiCO3
Ni2CO3
Ni(CO3)2
NiC
Ni3(CO2)2
5.24
The correct formula for ammonium dichromate is:
1.
2.
3.
4.
5.
NH4Cr2
NH4Cr2O4
(NH4)2Cr2O4
NH4Cr2O7
(NH4)2Cr2O7
5.24
The correct formula for ammonium dichromate is:
1.
2.
3.
4.
5.
NH4Cr2
NH4Cr2O4
(NH4)2Cr2O4
NH4Cr2O7
(NH4)2Cr2O7
5.25
The correct formula for dinitrogen tetrahydride is:
1.
2.
3.
4.
5.
N2H3
N2H4
N2H5
Ni2H4
N2OH4
5.25
The correct formula for dinitrogen tetrahydride is:
1.
2.
3.
4.
5.
N2H3
N2H4
N2H5
Ni2H4
N2OH4
5.26
Which of the following is named correctly?
1.
2.
3.
4.
5.
HF (aq), hypofluorous acid
Na2HCO3, sodium bicarbonate
PbO2, lead oxide
SF6, sulfur heptafluoride
NO2 (aq), nitrous acid
5.26
Which of the following is named correctly?
1.
2.
3.
4.
5.
HF (aq), hypofluorous acid
Na2HCO3, sodium bicarbonate
PbO2, lead oxide
SF6, sulfur heptafluoride
HNO2 (aq), nitrous acid
5.27
Which of the following is named incorrectly?
1.
2.
3.
4.
5.
H2SO4(aq), sulfuric acid
SiO2, silicon dioxide
CuCl2, copper(II) chloride
Zn(OH)2, zinc(II) hydroxide
NaClO, sodium hypochlorite
5.27
Which of the following is named incorrectly?
1.
2.
3.
4.
5.
H2SO4(aq), sulfuric acid
SiO2, silicon dioxide
CuCl2, copper(II) chloride
Zn(OH)2, zinc(II) hydroxide
NaClO, sodium hypochlorite
5.28
What is the formula mass of sodium sulfite?
1.
2.
3.
4.
5.
215.1 amu
119.1 amu
126.05 amu
142.1 amu
125.1 amu
5.28
What is the formula mass of sodium sulfite?
1.
2.
3.
4.
5.
215.1 amu
119.1 amu
126.05 amu
142.1 amu
125.1 amu