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© 2015 Pearson Education, Inc.
Chapter 5
Molecules and Compounds
Laurie LeBlancCuyamaca College
Clicker Questions
© 2015 Pearson Education, Inc.
A. 13.3 gB. 185 gC. 228 g D. 312 gE. 553 g
The mass ratio of lead to sulfur in lead(II) sulfide is 270.0 g lead to 41.8 g sulfur. How much lead is required to completely react with 85.6 g of sulfur?
© 2015 Pearson Education, Inc.
A. 13.3 gB. 185 gC. 228 g D. 312 gE. 553 g
The mass ratio of lead to sulfur in lead(II) sulfide is 270.0 g lead to 41.8 g sulfur. How much lead is required to completely react with 85.6 g of sulfur?
© 2015 Pearson Education, Inc.
A. 1B. 3C. 4 D. 7E. 12
How many hydrogen atoms are in the formula for ammonium phosphate, (NH4)3PO4?
© 2015 Pearson Education, Inc.
A. 1B. 3C. 4 D. 7E. 12
How many hydrogen atoms are in the formula for ammonium phosphate, (NH4)3PO4?
© 2015 Pearson Education, Inc.
What is the hydrogen to carbon mass ratio of methane (CH4)?
A. 1B. 0.33C. 3D. 4E. 0.25
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What is the hydrogen to carbon mass ratio of methane (CH4)?
A. 1B. 0.33C. 3D. 4E. 0.25
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A. 2P5OB. P2O5
C. OPD. P2.5OE. P5O2
Which is the chemical formula of the compound containing two phosphorus atoms and five oxygen atoms?
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A. 2P5OB. P2O5
C. OPD. P2.5OE. P5O2
Which is the chemical formula of the compound containing two phosphorus atoms and five oxygen atoms?
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A. 3B. 4C. 6D. 12E. 24
What is the total number of atoms in a molecule of glucose, C6H12O6?
© 2015 Pearson Education, Inc.
A. 3B. 4C. 6D. 12E. 24
What is the total number of atoms in a molecule of glucose, C6H12O6?
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A. 42 B. 40C. 34D. 5E. 1
How many different kinds of atoms are in a molecule of penicillin, C14H20N2SO4?
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A. 42 B. 40C. 34D. 5E. 1
How many different kinds of atoms are in a molecule of penicillin, C14H20N2SO4?
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Which of these elements is a diatomic gas at room temperature?
A. Bromine B. Iodine C. Neon D. ChlorineE. Sulfur
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Which of these elements is a diatomic gas at room temperature?
A. Bromine B. Iodine C. Neon D. ChlorineE. Sulfur
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A. MercuryB. NaClC. Oxygen gasD. CO2
E. H2
Which of the following species is an atomic element?
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A. MercuryB. NaClC. Oxygen gasD. CO2
E. H2
Which of the following species is an atomic element?
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Aluminum carbonate is considered which of the following?
A. Atomic element B. Molecular element C. Molecular compoundD. Ionic compoundE. Diatomic molecule
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Aluminum carbonate is considered which of the following?
A. Atomic element B. Molecular element C. Molecular compoundD. Ionic compoundE. Diatomic molecule
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A. 4B. 6C. 3D. 10E. 7
How many elements occur as diatomic molecules?
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A. 4B. 6C. 3D. 10E. 7
How many elements occur as diatomic molecules?
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What is the formula of the compound formed from lithium and nitrogen?
A. LiN2
B. Li2N3
C. Li3N2
D. Li3NE. LiN
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What is the formula of the compound formed from lithium and nitrogen?
A. LiN2
B. Li2N3
C. Li3N2
D. Li3NE. LiN
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The name of the compound AgCl is
A. silver chlorine. B. silver chloride.C. silver(I) chloride.D. silver
monochloride.E. monosilver
monochloride.
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A. silver chlorine. B. silver chloride.C. silver(I) chloride.D. silver
monochloride.E. monosilver
monochloride.
The name of the compound AgCl is
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A. iron oxide. B. iron(II) oxide.C. iron(III) oxide.D. diiron trioxide.E. iron(II) oxide(III).
The name of the compound Fe2O3 is
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A. iron oxide. B. iron(II) oxide.C. iron(III) oxide.D. diiron trioxide.E. iron(II) oxide(III).
The name of the compound Fe2O3 is
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A. SO4– and SO3
– B. SO3
– and SO4–
C. SO42– and SO3
2–
D. SO32– and SO4
2–
E. SO42– and SO3
–
Identify the formulas of the following oxyanions in their correct order: sulfate ion and sulfite ion.
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A. SO4– and SO3
– B. SO3
– and SO4–
C. SO42– and SO3
2–
D. SO32– and SO4
2–
E. SO42– and SO3
–
Identify the formulas of the following oxyanions in their correct order: sulfate ion and sulfite ion.
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A. NH3+
B. NH3
C. NH42+
D. NH4
E. NH4+
What is the formula of the ammonium ion?
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A. NH3+
B. NH3
C. NH42+
D. NH4
E. NH4+
What is the formula of the ammonium ion?
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A. Hydroxide ion, carbonate ion, phosphate ion B. Oxide ion, carbonate ion, phosphate ionC. Hydroxide ion, carbonate ion, phosphite ionD. Hydroxide ion, carbonite ion, phosphate ionE. Oxide ion, carbonate ion, phosphite ion
Name the following polyatomic ions in their listed order: OH–, CO3
2–, and PO43–.
© 2015 Pearson Education, Inc.
A. Hydroxide ion, carbonate ion, phosphate ion B. Oxide ion, carbonate ion, phosphate ionC. Hydroxide ion, carbonate ion, phosphite ionD. Hydroxide ion, carbonite ion, phosphate ionE. Oxide ion, carbonate ion, phosphite ion
Name the following polyatomic ions in their listed order: OH–, CO3
2–, and PO43–.
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The name of the compound NH4ClO4 is
A. ammonium chloride. B. ammonium chlorite.C. ammonium
hypochlorite.D. ammonium chlorate.E. ammonium
perchlorate.
© 2015 Pearson Education, Inc.
A. ammonium chloride. B. ammonium chlorite.C. ammonium
hypochlorite.D. ammonium chlorate.E. ammonium
perchlorate.
The name of the compound NH4ClO4 is
© 2015 Pearson Education, Inc.
A. stannium oxide.B. stannium(II) oxide.C. stannium(IV) oxide.D. tin(II) oxide.E. tin(IV) oxide.
The name of the compound SnO2 is
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A. stannium oxide.B. stannium(II) oxide.C. stannium(IV) oxide.D. tin(II) oxide.E. tin(IV) oxide.
The name of the compound SnO2 is
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A. phosphorus iodide.B. monophosphorus
triiodide.C. phosphorus
triiodide.D. phosphorus(III)
iodide.E. potassium iodide.
The name of the compound PI3 is
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A. phosphorus iodide.B. monophosphorus
triiodide.C. phosphorus
triiodide.D. phosphorus(III)
iodide.E. potassium iodide.
The name of the compound PI3 is
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A. cyanic acid. B. hydrogen cyanide.C. percyanic acid.D. hydrocyanic acid.E. hypocyanous acid.
The name of the compound HCN(aq) is
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A. cyanic acid. B. hydrogen cyanide.C. percyanic acid.D. hydrocyanic acid.E. hypocyanous acid.
The name of the compound HCN(aq) is
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A. hydrochloric acid. B. hydrogen chloride.C. hypochlorous acid.D. chloric acid.E. hypochloric acid.
The name of the compound HCl(g) is
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A. hydrochloric acid. B. hydrogen chloride.C. hypochlorous acid.D. chloric acid.E. hypochloric acid.
The name of the compound HCl(g) is
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A. HClOB. HClO2
C. HClO3
D. HClO4
E. HClO5
Which is the correct formula for chloric acid?
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A. HClOB. HClO2
C. HClO3
D. HClO4
E. HClO5
Which is the correct formula for chloric acid?
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Which is the correct formula for nickel(II) carbonate?
A. NiCO3 B. Ni2CO3
C. Ni(CO3)2
D. NiCE. Ni3(CO2)2
© 2015 Pearson Education, Inc.
Which is the correct formula for nickel(II) carbonate?
A. NiCO3 B. Ni2CO3
C. Ni(CO3)2
D. NiCE. Ni3(CO2)2
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A. NH4Cr2 B. NH4Cr2O4
C. (NH4)2Cr2O4 D. NH4Cr2O7
E. (NH4)2Cr2O7
Which is the correct formula for ammonium dichromate?
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A. NH4Cr2 B. NH4Cr2O4
C. (NH4)2Cr2O4 D. NH4Cr2O7
E. (NH4)2Cr2O7
Which is the correct formula for ammonium dichromate?
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A. N2H3
B. N2H4
C. N2H5
D. Ni2H4
E. N2OH4
What is the correct formula for dinitrogen tetrahydride?
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A. N2H3
B. N2H4
C. N2H5
D. Ni2H4
E. N2OH4
What is the correct formula for dinitrogen tetrahydride?
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A. HF (aq), hypofluorousacid
B. Na2HCO3, sodium bicarbonate
C. PbO2, lead oxideD. SF6, sulfur
heptafluorideE. HNO2, nitrous acid
Which of the following contains the correct formula and name?
© 2015 Pearson Education, Inc.
A. HF (aq), hypofluorousacid
B. Na2HCO3, sodium bicarbonate
C. PbO2, lead oxideD. SF6, sulfur
heptafluorideE. HNO2, nitrous acid
Which of the following contains the correct formula and name?
© 2015 Pearson Education, Inc.
A. H2SO4(aq), sulfuric acid
B. SiO2, silicon dioxideC. CuCl2, copper(II)
chlorideD. Zn(OH)2, zinc(II)
hydroxideE. NaClO, sodium hypochlorite
Which of the following is named incorrectly?
© 2015 Pearson Education, Inc.
A. H2SO4(aq), sulfuric acid
B. SiO2, silicon dioxideC. CuCl2, copper(II)
chlorideD. Zn(OH)2, zinc(II)
hydroxideE. NaClO, sodium hypochlorite
Which of the following is named incorrectly?
© 2015 Pearson Education, Inc.
What is the formula mass of sodium sulfite?
A. 215.1 amu B. 119.1 amuC. 126.0 amuD. 142.1 amuE. 125.1 amu
© 2015 Pearson Education, Inc.
What is the formula mass of sodium sulfite?
A. 215.1 amu B. 119.1 amuC. 126.0 amuD. 142.1 amuE. 125.1 amu
© 2015 Pearson Education, Inc.
What is the formula mass of (NH4)2SO4?
A. 215.1 amu B. 119.1 amuC. 126.0 amuD. 132.1 amuE. 114.1 amu
© 2015 Pearson Education, Inc.
What is the formula mass of (NH4)2SO4?
A. 215.1 amu B. 119.1 amuC. 126.0 amuD. 132.1 amuE. 114.1 amu
© 2015 Pearson Education, Inc.
A. 1B. 3C. 4 D. 7E. 12
How many nitrogen atoms are in the formula for ammonium phosphate, (NH4)3PO4?
© 2015 Pearson Education, Inc.
A. 1B. 3C. 4 D. 7E. 12
How many nitrogen atoms are in the formula for ammonium phosphate, (NH4)3PO4?
© 2015 Pearson Education, Inc.
A. Diatomic moleculesB. AtomsC. Molecules D. Formula unitsE. Monomers
What are the basic units of the compound sodium chloride?
© 2015 Pearson Education, Inc.
A. Diatomic moleculesB. AtomsC. Molecules D. Formula unitsE. Monomers
What are the basic units of the compound sodium chloride?
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A. N3–
B. HCl(aq)C. NO3
–
D. NH4+
E. Two of the above
Which of the following are polyatomic ions?
© 2015 Pearson Education, Inc.
A. N3–
B. HCl(aq)C. NO3
–
D. NH4+
E. Two of the above
Which of the following are polyatomic ions?
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A. Diiodine pentoxygenB. Diiodine tetroxideC. Pentoxide of iodineD. Iodine oxideE. Diiodine pentoxide
How is the compound I2O5 named?
© 2015 Pearson Education, Inc.
A. Diiodine pentoxygenB. Diiodine tetroxideC. Pentoxide of iodineD. Iodine oxideE. Diiodine pentoxide
How is the compound I2O5 named?