1. 13.3 g2. 185 g3. 228 g 4. 312 g5. 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. 13.3 g2. 185 g3. 228 g 4. 312 g5. 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. 12. 33. 4 4. 75. 12

5.2 How many hydrogen atoms are in the formula ammonium phosphate, (NH4)3PO4?

1. 12. 33. 4 4. 75. 12

5.2 How many hydrogen atoms are in the formula ammonium phosphate, (NH4)3PO4?

5.3 What is the carbon-hydrogen mass ratio of methane (CH4)?

1. 12. 0.333. 34. 45. 0.25

5.3 What is the carbon-hydrogen mass ratio of methane (CH4)?

1. 12. 0.333. 34. 45. 0.25

1. 2O5P2. O2P5

3. PO4. P2.5O5. P5O2

5.4 Write the chemical formula of the compound containing 2 oxygen atoms and 5 phosphorus atoms?

1. 2O5P2. O2P5

3. PO4. P2.5O5. P5O2

5.4 Write the chemical formula of the compound containing 2 oxygen atoms and 5 phosphorus atoms?

1. 22. 33. 64. 125. 24

5.5 What is the total number of atoms in a molecule of glucose (C6H12O6)?

1. 22. 33. 64. 125. 24

5.5 What is the total number of atoms in a molecule of glucose (C6H12O6)?

1. 41 2. 363. 144. 55. 1

5.6 How many different kinds of atoms are in a molecule of penicillin (C14H20N2SO4)?

1. 41 2. 363. 144. 55. 1

5.6 How many different kinds of atoms are in a molecule of penicillin (C14H20N2SO4)?

5.7 Which of these elements is a diatomic gas at room temperature?

1. Bromine 2. Iodine 3. Neon 4. Chlorine5. Sulfur

5.7 Which of these elements is a diatomic gas at room temperature?

1. Bromine 2. Iodine 3. Neon 4. Chlorine5. Sulfur

1. Mercury2. NaCl3. Oxygen gas4. CO2

5. H2

5.8 Which of the following species is an atomic element?

1. Mercury2. NaCl3. Oxygen gas4. CO2

5. H2

5.8 Which of the following species is an atomic element?

5.9 Aluminum carbonate is considered which of the following?

1. Atomic element 2. Molecular element 3. Molecular compound4. Ionic compound5. Diatomic molecule

5.9 Aluminum carbonate is considered which of the following?

1. Atomic element 2. Molecular element 3. Molecular compound4. Ionic compound5. Diatomic molecule

1. 42. 63. 34. 105. 7

5.10 How many elements occur as diatomic molecules?

1. 42. 63. 34. 105. 7

5.10 How many elements occur as diatomic molecules?

5.11 What is the formula of the compound formed between lithium and nitrogen?

1. LiN2

2. Li2N3

3. Li3N2

4. Li3N5. LiN

5.11 What is the formula of the compound formed between lithium and nitrogen?

1. LiN2

2. Li2N3

3. Li3N2

4. Li3N5. LiN

1. Silver chlorine 2. Silver chloride3. Silver(I) chloride4. Silver monochloride5. Monosilver monochloride

5.12 The name of the compound AgCl is:

1. Silver chlorine 2. Silver chloride3. Silver(I) chloride4. Silver monochloride5. Monosilver monochloride

5.12 The name of the compound AgCl is:

1. Iron oxide 2. Iron(II) oxide3. Iron(III) oxide4. Diiron trioxide5. Iron(II) oxide(III)

5.13 The name of the compound Fe2O3 is

1. Iron oxide 2. Iron(II) oxide3. Iron(III) oxide4. Diiron trioxide5. Iron(II) oxide(III)

5.13 The name of the compound Fe2O3 is

1. SO41– and SO3

1– 2. SO3

1– and SO41–

3. SO42– and SO3

2–

4. SO32– and SO4

2–

5. SO42– and SO3

`

5.14 Identify the formulas of the following oxyanions in their correct order: sulfate ion and sulfite ion.

1. SO41– and SO3

1– 2. SO3

1– and SO41–

3. SO42– and SO3

2–

4. SO32– and SO4

2–

5. SO42– and SO3

`

5.14 Identify the formulas of the following oxyanions in their correct order: sulfate ion and sulfite ion.

1. NH31+

2. NH3

3. NH42+

4. NH4

5. NH41+

5.15 What is the formula of the ammonium ion?

1. NH31+

2. NH3

3. NH42+

4. NH4

5. NH41+

5.15 What is the formula of the ammonium ion?

1. Hydroxide ion, carbonate ion, phosphate ion 2. Oxide ion, carbonate ion, phosphate ion3. Hydroxide ion, carbonite ion, phosphite ion4. Hydroxide ion, carbonite ion, phosphate ion5. Oxide ion, carbonate ion, phosphite ion

5.16 Name the following polyatomic ions in their listed order: OH1–, CO3

2–, and PO43–.

1. Hydroxide ion, carbonate ion, phosphate ion 2. Oxide ion, carbonate ion, phosphate ion3. Hydroxide ion, carbonite ion, phosphite ion4. Hydroxide ion, carbonite ion, phosphate ion5. Oxide ion, carbonate ion, phosphite ion

5.16 Name the following polyatomic ions in their listed order: OH1–, CO3

2–, and PO43–.

1. Ammonium chloride 2. Ammonium chlorite3. Ammonium hypochlorite4. Ammonium chlorate5. Ammonium perchlorate

5.17 The name of the compound NH4ClO4 is:

1. Ammonium chloride 2. Ammonium chlorite3. Ammonium hypochlorite4. Ammonium chlorate5. Ammonium perchlorate

5.17 The name of the compound NH4ClO4 is:

1. Stannium oxide2. Stannium(II) oxide3. Stannium(IV) oxide4. Tin(II) oxide5. Tin(IV) oxide

5.18 The name of the compound SnO2 is:

1. Stannium oxide2. Stannium(II) oxide3. Stannium(IV) oxide4. Tin(II) oxide5. Tin(IV) oxide

5.18 The name of the compound SnO2 is:

1. Phosphorus iodide2. Monophosphorus triiodide3. Phosphorus triiodide4. Phosphorus(III) iodide5. Potassium iodide

5.19 The name of the compound PI3 is:

1. Phosphorus iodide2. Monophosphorus triiodide3. Phosphorus triiodide4. Phosphorus(III) iodide5. Potassium iodide

5.19 The name of the compound PI3 is:

1. Hydrocyanic acid 2. Hydrogen cyanide3. Percyanic acid4. Cyanic acid5. Hypocyanous acid

5.20 The name of the compound HCN(aq) is:

1. Hydrocyanic acid 2. Hydrogen cyanide3. Percyanic acid4. Cyanic acid5. Hypocyanous acid

5.20 The name of the compound HCN(aq) is:

1. Hydrochloric acid 2. Hydrogen chloride3. Hypochlorous acid4. Chloric acid5. Hypochloric acid

5.21 The name of the compound HCl(g) is:

1. Hydrochloric acid 2. Hydrogen chloride3. Hypochlorous acid4. Chloric acid5. Hypochloric acid

5.21 The name of the compound HCl(g) is:

1. HClO2. HClO2

3. HClO3

4. HClO4

5. HClO5

5.22 The correct formula for chloric acid is:

1. HClO2. HClO2

3. HClO3

4. HClO4

5. HClO5

5.22 The correct formula for chloric acid is:

1. NiCO3 2. Ni2CO3

3. Ni(CO3)2

4. NiC5. Ni3(CO2)2

5.23 The correct formula for nickel(II) carbonate is:

1. NiCO3 2. Ni2CO3

3. Ni(CO3)2

4. NiC5. Ni3(CO2)2

5.23 The correct formula for nickel(II) carbonate is:

1. NH4Cr2 2. NH4Cr2O4

3. (NH4)2Cr2O4 4. NH4Cr2O7

5. (NH4)2Cr2O7

5.24 The correct formula for ammonium dichromate is:

1. NH4Cr2 2. NH4Cr2O4

3. (NH4)2Cr2O4 4. NH4Cr2O7

5. (NH4)2Cr2O7

5.24 The correct formula for ammonium dichromate is:

1. N2H3

2. N2H4

3. N2H5

4. Ni2H4

5. N2OH4

5.25 The correct formula for dinitrogen tetrahydride is:

1. N2H3

2. N2H4

3. N2H5

4. Ni2H4

5. N2OH4

5.25 The correct formula for dinitrogen tetrahydride is:

1. HF (aq), hypofluorous acid2. Na2HCO3, sodium bicarbonate3. PbO2, lead oxide4. SF6, sulfur heptafluoride5. NO2 (aq), nitrous acid

5.26 Which of the following is named correctly?

1. HF (aq), hypofluorous acid2. Na2HCO3, sodium bicarbonate3. PbO2, lead oxide4. SF6, sulfur heptafluoride5. HNO2 (aq), nitrous acid

5.26 Which of the following is named correctly?

1. H2SO4(aq), sulfuric acid 2. SiO2, silicon dioxide3. CuCl2, copper(II) chloride4. Zn(OH)2, zinc(II) hydroxide5. NaClO, sodium hypochlorite

5.27 Which of the following is named incorrectly?

1. H2SO4(aq), sulfuric acid 2. SiO2, silicon dioxide3. CuCl2, copper(II) chloride4. Zn(OH)2, zinc(II) hydroxide5. NaClO, sodium hypochlorite

5.27 Which of the following is named incorrectly?

5.28 What is the formula mass of sodium sulfite?

1. 215.1 amu 2. 119.1 amu3. 126.05 amu4. 142.1 amu5. 125.1 amu

5.28 What is the formula mass of sodium sulfite?

1. 215.1 amu 2. 119.1 amu3. 126.05 amu4. 142.1 amu5. 125.1 amu