Chemistry Atoms First 3rd Edition by Julia Burdge - Test Bank

Chemistry Atoms First 3rd Edition by Julia Burdge – Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

Chapter 5

Ionic and Covalent Compounds

 

1. The Lewis dot symbol consists of the symbol for the element surrounded by dot(s). What does the symbol represent?
2. electron configuration
3. valence electrons
4. atomic number
5. atomic mass
6. E. nucleus and core electrons

Accessibility: Keyboard Navigation

Bloom‘s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

2. The Lewis dot symbol consists of the symbol for the element surrounded by dot(s). What does the dot or dots represent?
3. electron configuration
4. B. valence electrons
5. atomic number
6. atomic mass
7. core electrons

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Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

3. How many dots does the Lewis dot symbol for argon have around it?
4. 1
5. 2
6. 4
7. 6
8. E. 8

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Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

4. How many dots does the Lewis dot symbol for sodium have around it?
5. A. 1
6. 2
7. 0
8. 3
9. 7

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

5. How many dots does the Lewis dot symbol for magnesium have around it?
6. 1
7. B. 2
8. 0
9. 3
10. 7

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

6. How many dots does the Lewis dot symbol for chlorine have around it?
7. 1
8. 2
9. 5
10. D. 7
11. 17

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

7. How many dots does the Lewis dot symbol for carbon have around it?
8. A. 4
9. 2
10. 6
11. 3
12. 7

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

8. How many dots does the Lewis dot symbol for oxygen have around it?
9. 4
10. 2
11. C. 6
12. 3
13. 7

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

9. The Lewis dot symbol for a lead atom is
12. C.

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

10. The Lewis dot symbol for the S^2– i on is
13. S^2–

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

11. The Lewis dot symbol for the chloride ion is

B.

3. Cl^–

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

12. The Lewis dot symbol for the calcium ion is
16. D. Ca²⁺
17. Ca

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

13. Select the element whose Lewis symbol is correct.

B.

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

14. Select the element whose Lewis symbol is correct.
17. C.

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Lewis Dot Symbols

Subtopic: Writing Lewis Dot Structures

Topic: Chemical Bonding

Topic: Molecular Shape

15. Which of these compounds is most likely to be ionic?
16. A. KF
17. CCl₄
18. CS₂
19. CO₂
20. ICl

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

16. Which of these compounds is most likely to be ionic?
17. GaAs
18. B. SrBr₂
19. NO₂
20. CBr₄
21. H₂O

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

17. Which of these compounds is most likely to be ionic?
18. NCl₃
19. B. BaCl₂
20. CO
21. SO₂
22. SF₄

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

18. Which of these pairs of elements would be most likely to form an ionic compound?
19. Cl and I
20. Al and K
21. C. Cl and Mg
22. C and S
23. Al and Mg

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

19. Which of the following contains ionic bonding?
20. CO
21. B. SrF₂
22. Al
23. OCl₂
24. HCl

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

20. Which of the following is an ionic compound?
21. H₂S
22. NH₃
23. I₂
24. D. KI
25. CCl₄

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

21. Which of these ionic solids would have the largest lattice energy?
22. NaCl
23. NaF
24. CaBr₂
25. CsI
26. E. CaCl₂

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

22. Which of these ionic solids would have the largest lattice energy?
23. A. SrO
24. NaF
25. CaBr₂
26. CsI
27. BaSO₄

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

23. The lattice energy for ionic crystals increases as the charge on the ions _____________ and the size of the ions __________________.
24. increases; increases
25. B. increases; decreases
26. decreases; increases
27. decreases; decreases
28. None of these is generally correct.

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Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

24. Select the compound with the highest (i.e., most negative) lattice energy.
25. CaS(s)
26. BaO(s)
27. NaI(s)
28. LiBr(s)
29. E. MgO(s)

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Blooms: 5. Evaluate

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Trends in Physical Properties (Atomic Radius, Ionization Energy, Ionic Radius, Electron Affinity)

Topic: Chemical Bonding

Topic: Chemical Periodicity

25. Select the compound with the lowest (i.e., least negative) lattice energy.
26. A. CsBr(s)
27. NaCl(s)
28. SrO(s)
29. CaO(s)
30. KBr(s)

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Blooms: 5. Evaluate

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Trends in Physical Properties (Atomic Radius, Ionization Energy, Ionic Radius, Electron Affinity)

Topic: Chemical Bonding

Topic: Chemical Periodicity

26. An anion is defined as
27. A. a charged atom or group of atoms with a net negative charge.
28. a stable atom.
29. a group of stable atoms.
30. an atom or group of atoms with a net positive charge.
31. neutral.

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Bloom’s Level: 1. Remember

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Electron Configurations of Cations and Anions

Subtopic: Molecules and Ions

Topic: Components of Matter

Topic: Electron Configuration

27. Which one of these species is an ion?
28. A. B³⁺
29. NaCl
30. He
31. ¹⁴C
32. None of these species is an ion.

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Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Electron Configurations of Cations and Anions

Subtopic: Molecules and Ions

Topic: Electron Configuration

28. Which of these pairs of elements would be most likely to form an ionic compound?
29. P and Br
30. Cu and K
31. C and O
32. D. O and Zn
33. Al and Rb

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

29. Which pair of elements would be most likely to form an ionic compound?
30. P and Br
31. Zn and K
32. C. F and Al
33. C and S
34. Al and Rb

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Electronegativity

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

30. What is the formula for the ionic compound formed by calcium ions and nitrate ions?
31. Ca₃N₂
32. B. Ca(NO₃)₂
33. Ca₂NO₃
34. Ca₂NO₂
35. CaNO₃

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Topic: Components of Matter

31. What is the formula for the ionic compound formed by calcium and selenium?
32. A. CaSe
33. Ca₂Se
34. CaSe₂
35. Ca₃Se
36. CaSe₃

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Topic: Components of Matter

32. Which is the correct formula for copper(II) phosphate?
33. Cu₂PO₄
34. B. Cu₃(PO₄)₂
35. Cu₂PO₃
36. Cu(PO₄)₂
37. Cu(PO₃)₂

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Topic: Components of Matter

33. The chemical name for ClO₃– is “chlorate ion”. What is the common name for HClO₃?
34. hydrochloric acid
35. chloroform
36. hydrogen trioxychloride
37. chlorous acid
38. E. chloric acid

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Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Acid-Base Definitions

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Acids and Bases

Topic: Components of Matter

34. The formula for magnesium sulfate is ________.
35. MnS
36. MgS
37. MnSO₃
38. D. MgSO₄
39. MnSO₄

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

35. The formula for sodium sulfide is ________.
36. NaS
37. K₂S
38. NaS₂
39. D. Na₂S
40. SeS

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

36. The chemical formula for iron(II) nitrate is ________.
37. Fe₂(NO₃)₃
38. Ir(NO₂)₂
39. Fe₂N₃
40. D. Fe(NO₃)₂
41. Fe(NO₂)₂

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

37. Which one of the following formulas of ionic compounds is the least likely to be correct?
38. NH₄Cl
39. Ba(OH)₂
40. Na₂SO₄
41. D. Ca₂NO₃
42. Cu(CN)₂

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Topic: Chemical Bonding

Topic: Components of Matter

38. What is the formula for lead(II) oxide?
39. A. PbO
40. PbO₂
41. Pb₂O
42. PbO₄
43. Pb₂O₃

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Topic: Chemical Bonding

Topic: Components of Matter

39. Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials. What is its formula?
40. KMnO₃
41. B. KMnO₄
42. K₂MnO₄
43. K(MnO₄)₂

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Topic: Chemical Bonding

Topic: Components of Matter

40. Ferric oxide is used as a pigment in metal polishing. Which of the following is its formula?
41. FeO
42. Fe₂O
43. FeO₃
44. Fe₂O₅
45. E. Fe₂O₃

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Topic: Chemical Bonding

Topic: Components of Matter

41. What is the name of Mn(CO₃)₂?
42. manganese carbide
43. magnesium(IV) carbonate
44. manganese(II) carbonate
45. magnesium(II) carbonate
46. E. manganese(IV) carbonate

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Topic: Chemical Bonding

Topic: Components of Matter

42. What is the name of Ba(NO₂)₂·3H₂O?
43. barium nitrite
44. trihydrobarium(II) nitrite
45. C. barium nitrite trihydrate
46. barium(II) nitrite trihydrate
47. barium nitrate trihydrate

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Molecules and Ions

Topic: Chemical Bonding

Topic: Components of Matter

43. What is the formula of hydrobromic acid?
44. H₂OBr
45. HBrO₃
46. HBrO
47. D. HBr
48. HBr·2H₂O

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Acid-Base Definitions

Subtopic: Chemical Formulas

Subtopic: Nomenclature

Topic: Acids and Bases

Topic: Components of Matter

44. What is the formula of iodous acid?
45. HI
46. HIO₃
47. HIO
48. HIO₄
49. E. HIO₂

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Acid-Base Definitions

Subtopic: Chemical Formulas

Subtopic: Nomenclature

Topic: Acids and Bases

Topic: Components of Matter

45. Iron(III) chloride hexahydrate is used as a coagulant for sewage and industrial wastes. What is its formula?
46. Fe(Cl·6H₂O)₃
47. Fe₃Cl·6H₂O
48. FeCl₃(H₂O)₆
49. Fe₃Cl(H₂O)₆
50. E. FeCl₃6H₂O

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

46. Which of the following is the oxoanion of bromine called the bromate ion?
47. A. BrO₃–
48. BrO₃^2–
49. BrO₄^2–
50. BrO₂^2–
51. BrO^–

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

47. Which of these compounds is most likely to be covalent?
48. Rb₂S
49. SrCl₂
50. C. CS₂
51. CaO
52. MgI₂

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Covalent Bonding

Subtopic: Electronegativity

Topic: Chemical Bonding

48. Which of these compounds is most likely to be covalent?
49. KF
50. CaCl₂
51. C. SF₄
52. Al₂O₃
53. CaSO₄

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Covalent Bonding

Subtopic: Electronegativity

Topic: Chemical Bonding

49. Which of these compounds is most likely to be covalent?
50. CsOH
51. B. NF₃
52. Sr(NO₃)₂
53. CaO
54. LiF

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Covalent Bonding

Subtopic: Electronegativity

Topic: Chemical Bonding

50. Which of the following is a covalent compound?
51. Na₂O
52. CaCl₂
53. C. Cl₂O
54. CsCl
55. Al₂O₃

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Covalent Bonding

Subtopic: Electronegativity

Topic: Chemical Bonding

51. Which of the following contains covalent bonds?
52. BaO
53. B. IBr
54. Mg
55. LiBr
56. Cu

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Bond Polarity

Subtopic: Covalent Bonding

Subtopic: Electronegativity

Topic: Chemical Bonding

52. What types of elements undergo ionic bonding?
53. two metals
54. B. a nonmetal and a metal
55. two nonmetals
56. two Group 1A elements
57. two noble gases

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Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Periodic Classification of the Elements

Topic: Chemical Bonding

Topic: Chemical Periodicity

53. What types of elements undergo covalent bonding?
54. a metal and a noble gas
55. a nonmetal and a metal
56. C. two nonmetals
57. two Group 1A elements
58. an actinide

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Covalent Bonding

Subtopic: Periodic Classification of the Elements

Topic: Chemical Bonding

Topic: Chemical Periodicity

54. What is the name of PCl₃?
55. phosphorus chloride
56. phosphoric chloride
57. phosphorus trichlorate
58. trichlorophosphide
59. E. phosphorus trichloride

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Chemical Formulas

Subtopic: Covalent Bonding

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

55. The compound, P₄S₁₀, is used in the manufacture of safety matches. What is its name?
56. phosphorus sulfide
57. phosphoric sulfide
58. phosphorus decasulfide
59. D. tetraphosphorus decasulfide
60. phosphorus sulfite

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Covalent Bonding

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

56. Diiodine pentaoxide is used as an oxidizing agent that converts carbon monoxide to carbon dioxide. What is its chemical formula?
57. A. I₂O₅
58. IO₅
59. 2IO₅
60. I₅O₂
61. (IO₅)₂

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Covalent Bonding

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

57. What is the name of P₄Se₃?
58. phosphorus selenide
59. phosphorus triselenide
60. tetraphosphorus selenide
61. phosphoric selenide
62. E. tetraphosphorus triselenide

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Chemical Formulas

Subtopic: Covalent Bonding

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Chemical Bonding

Topic: Components of Matter

58. What is the name of ClO ^– ion?
59. A. hypochlorite
60. chlorate
61. chlorite
62. perchlorate
63. perchlorite

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

59. What is the formula for the permanganate ion?
60. MnO₂^–
61. B. MnO₄^–
62. MgO₄^2–
63. Mn₂O₇^–
64. MgO₂^2–

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

60. Tetrasulfur dinitride decomposes explosively when heated. What is its formula?
61. S₂N₄
62. B. S₄N₂
63. 4SN₂
64. S₄N
65. S₂N

Accessibility: Keyboard Navigation

Bloom’s Level: 3. Apply

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

61. Which of the following is the empirical formula for hexane, C₆H₁₄?
62. C₁₂H₂₈
63. C₆H₁₄
64. C. C₃H₇
65. CH_2.3
66. C_0.43H

Accessibility: Keyboard Navigation

Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

62. Which of the following is a molecular formula for a compound with an empirical formula of CH?
63. C₂H₆
64. C₃H₉
65. C₄H₁₀
66. D. C₆H₆
67. None of the answers is correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Chemical Formulas

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

63. Which of the following is a molecular formula for a compound with an empirical formula of CH₂O and a molar mass of 150. g/mol?
64. C₇H₁₈O₃
65. B. C₅H₁₀O₅
66. C₃H₆O₃
67. CH₂O
68. None of the answers is correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

64. Which of the following is an empirical formula of a compound that is 52.15 percent C, 13.13 percent H, and 34.73 percent O?
65. C₄H₁₂O₂
66. CH₆O₂
67. C₃HO₆
68. D. C₂H₆O
69. None of the answers is correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Subtopic: Mass Percent Composition

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

65. Calcium fluoride, CaF₂, is a source of fluorine and is used to fluoridate drinking water. Calculate its formula mass.
66. 118.15 g/mol
67. 99.15 g/mol
68. C. 08 g/mol
69. 59.08 g/mol
70. 50.01 g/mol

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

66. Calculate the molecular mass of tetraphosphorus decaoxide, P₄O₁₀, a corrosive substance which can be used as a drying agent.
67. 469.73 amu
68. B. 88 amu
69. 190.97 amu
70. 139.88 amu
71. 94.97 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

67. Calculate the formula mass of rubidium carbonate, Rb₂CO₃.
68. 340.43 amu
69. 255.00 amu
70. C. 95 amu
71. 145.47 amu
72. 113.48 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

68. Calculate the formula mass of (NH₄)₃AsO₄.
69. 417.80 amu
70. B. 05 amu
71. 165.02 amu
72. 156.96 amu
73. 108.96 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

69. Aluminum sulfate, Al₂(SO₄)₃, is used in tanning leather, purifying water, and the manufacture of antiperspirants. Calculate its molecular or formula mass.
70. 450.06 amu
71. B. 17 amu
72. 315.15 amu
73. 278.02 amu
74. 74.98 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

70. Calculate the molar mass of Ca(BO₂)₂·6H₂O.
71. 273.87 g/mol
72. B. 80 g/mol
73. 183.79 g/mol
74. 174.89 g/mol
75. 143.71 g/mol

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

71. Calculate the formula mass of potassium permanganate, KMnO₄.
72. 149.91 amu
73. 79.41 amu
74. 127.41 amu
75. D. 04 amu
76. 174.04 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

72. Calculate the molecular mass of menthol, C₁₀H₂₀O.
73. A. 156 amu
74. 140 amu
75. 29 amu
76. 146 amu
77. 136 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

73. What is the molecular mass of acetaminophen, C₈H₉NO₂?
74. 43 amu
75. 76 amu
76. C. 151 amu
77. 162 amu
78. 125 amu

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

74. What is the molar mass of nicotine, C₁₀H₁₄N₂?
75. 134 g/mol
76. 148 g/mol
77. 158 g/mol
78. 210 g/mol
79. E. 162 g/mol

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

75. Household sugar, sucrose, has the molecular formula C₁₂H₂₂O₁₁. What is the % of carbon in sucrose, by mass?
76. 26.7%
77. 33.3%
78. 41.4%
79. D. 1%
80. 51.4%

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Mass Percent Composition

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

76. What is the percent carbon in CH₃CH₂OH?
77. 13%
78. 26%
79. 35%
80. 46%
81. E. 52%

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Mass Percent Composition

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

77. What is the percent sodium in sodium carbonate?
78. A. 4%
79. 11.3%
80. 45.3%
81. 27.7%
82. 21.7%

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Mass Percent Composition

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

78. What is the mass percent of oxygen in barium perchlorate?
79. 4.7%
80. 8.5%
81. 23.4%
82. D. 1%
83. 19.0%

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Mass Percent Composition

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

79. What is the percent sulfur in iron(III) sulfate?
80. 28%
81. 32%
82. C. 24%
83. 48%
84. 42%

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Chemical Formulas

Subtopic: Mass Percent Composition

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

80. Calculate the number of moles in 17.8 g of the antacid magnesium hydroxide, Mg(OH)₂.
81. 3.28 mol
82. 2.32 mol
83. 0.431 mol
84. D.305 mol
85. 0.200 mol

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

81. How many moles are present in 17.4 g of lead?
82. 0.0994 moles
83. 1.05 ´ 10²⁵ moles
84. C.0840 moles
85. 10.06 moles
86. 11.9 moles

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

82. How many grams are present in 0.885 moles of manganese?
83. 62.1 g
84. B.6 g
85. 21.5 g
86. 27.5 g
87. 0.016 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

83. How many moles of aspirin, C₉H₈O₄, are in a tablet that contains 325 mg of aspirin?
84. A.00180 moles
85. 0.555 moles
86. 0.467 moles
87. 0.357 moles
88. 2.80 moles

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

84. How many grams are contained in a 0.893 mol sample of methane, CH₄?
85. 1.48 ´ 10^–24 g
86. 5.38 ´ 10²³ g
87. 8.64 ´ 10²⁴ g
88. D.3 g
89. 18.0 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

85. How many moles of ammonia, NH₃, are in 13.81 g of NH₃?
86. 1.234 moles
87. B.8107 moles
88. 8.316 ´ 10²⁴ moles
89. 4.881 ´ 10²³ moles
90. 235.3 moles

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

86. How many grams are contained in a 0.183 mol sample of ammonium phosphate?
87. 1.23 ´ 10^–3 g
88. 617 g
89. 20.7 g
90. D.3 g
91. 815.1 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

87. Phosphorus pentachloride, a white solid that has a pungent, unpleasant odor, is used as a catalyst for certain organic reactions. Calculate the number of moles in 38.7 g of phosphorus pentachloride.
88. 5.38 mol
89. 3.55 mol
90. 0.583 mol
91. 0.282 mol
92. E.186 mol

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

88. Aluminum oxide, Al₂O₃, is used as a filler for paints and varnishes as well as in the manufacture of electrical insulators. Calculate the number of moles in 47.51 g of Al₂O₃.
89. 2.377 mol
90. 2.146 mol
91. 1.105 mol
92. D.4660 mol
93. 0.4207 mol

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

89. What is the mass in grams of 0.250 mol of the common antacid calcium carbonate?
90. 4.00 ´ 10² g
91. B.0 g
92. 17.0 g
93. 4.00 ´ 10^–2 g
94. 2.50 ´ 10^–3 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

90. What is the mass of 0.0250 mol of P₂O₅?
91. 35.5 g
92. 5676 g
93. 0.0250 g
94. 1.51 ´ 10²² g
95. E.55 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

91. Calculate the mass of 3.00 moles of CF₂Cl₂.
92. 3.00 g
93. 174 g
94. C. 363 g
95. 1.81 ´ 10²⁴ g
96. 40.3

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

92. Determine the number of ammonia molecules in 4.85 g of ammonia. (N_A = 6.022 ´ 10²³ mol^–1)
93. 2.92 ´ 10²³ molecules
94. 4.73 ´ 10^–25 molecules
95. 1.24 ´ 10²³ molecules
96. 5.83 ´ 10^–24 molecules
97. E.71 ´ 10²³ molecules

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

93. What is the average mass, in grams, of one atom of iron? (N_A = 6.022 ´ 10²³ mol^–1)
94. 6.02 ´ 10²³ g
95. 1.66 ´ 10^–24 g
96. C.27 ´ 10^–23 g
97. 55.85 g
98. 5.85 ´ 10^–23 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Structure of the Atom

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

94. What is the mass, in grams, of one arsenic atom? (N_A = 6.022 ´ 10²³ mol^–1)
95. 5.48 ´ 10^–23 g
96. 33.0 g
97. 74.9 g
98. D.24 ´ 10^–22 g
99. 8.04 ´ 10²¹ g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Structure of the Atom

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

95. What is the mass of one copper atom? (N_A = 6.022 ´ 10²³ mol^–1)
96. A.055 ´ 10^–22 g
97. 63.55 g
98. 1 amu
99. 1.66 ´ 10^–24 g
100. 9.476 ´ 10²¹ g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Structure of the Atom

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

96. What is the mass of 1.21 ´ 10²⁰ atoms of sulfur? (N_A = 6.022 ´ 10²³ mol^–1)
97. 3.88 ´ 10²¹ g
98. 2.00 mg
99. 32.06 g
100. D.44 mg
101. 2.00 ´ 10^–4 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Structure of the Atom

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

97. What is the mass of 1.63 ´ 10²¹ atoms of silicon? (N_A = 6.022 ´ 10²³ mol^–1)
98. 2.71 ´ 10^–23 g
99. 4.58 ´ 10²² g
100. 28.08 g
101. 1.04 ´ 10⁴ g
102. E.60 ´ 10^–2 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Structure of the Atom

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

98. What is the mass of 7.80 ´ 10¹⁸ carbon atoms? (N_A = 6.022 ´ 10²³ mol^–1)
99. 1.30 ´ 10^–5 g
100. 6.43 ´ 10³ g
101. 7.80 ´ 10¹⁸ g
102. D.56 ´ 10^–4 g
103. 12.01 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Structure of the Atom

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

99. The density of water is 1.00 g/mL at 4°C. How many water molecules are present in 6.25 mL of water at this temperature? (N_A = 6.022 ´ 10²³ mol^–1)
100. 6.27 ´ 10²³ molecules
101. 3.76 ´ 10²⁴ molecules
102. C.09´ 10²³ molecules
103. 6.02 ´ 10²³ molecules
104. 0.347 molecules

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Stoichiometry and Chemical Reactions

100. Sulfur trioxide can react with atmospheric water vapor to form sulfuric acid that falls as acid rain. Calculate the mass in grams of 3.65 ´ 10²⁰ molecules of sulfur trioxide.
101. 6.06 ´ 10^–4 g
102. 2.91 ´ 10^–2 g
103. C.85 ´ 10^–2 g
104. 20.6 g
105. 1650 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Molecules and Ions

Subtopic: Nomenclature

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

101. Calculate the mass in grams of 8.35 ´ 10²² molecules of CBr₄.
102. 0.0217 g
103. 0.139 g
104. 7.21 g
105. 12.7 g
106. E.0 g

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: The Mole (Definition and Avogadro’s Number)

Topic: Stoichiometry and Chemical Reactions

102. Which of the following substances contains the greatest mass of carbon?
103. 100 g CH₄
104. B. 100 g C₂H₄
105. 100 g CCl₄
106. 100 g CH₂Cl₂
107. 100 g CO₂

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Hard

Subtopic: Mass Percent Composition

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

103. Which of the following substances is a molecule, but not a compound?
104. SO₂
105. B. O₂
106. CS₂
107. Ar
108. CO₃^2–

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Blooms: 5. Evaluate

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Topic: Components of Matter

104. What is the chemical name of FeSO₃?
105. A. iron(II) sulfite
106. iron(III) sulfate
107. iron sulfate
108. iron sulfur trioxide
109. None of the above names is correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molecules and Ions

Topic: Components of Matter

105. Proteins found in humans are polymers that consist of different combinations of 20 amino acids. Proline, one of the 20 amino acids, has the molecular formula, C₅H₉NO₂. If a human protein has 25 proline monomers, how many carbon atoms from proline are present in the protein?
106. 4 C atoms
107. 25 C atoms
108. 40 C atoms
109. 100 C atoms
110. E. 125 C atoms

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

106. Smooth muscle myosin is a motor protein that plays a crucial role in the contraction of smooth muscle. If this protein has a molar mass of 480,000 grams/mol, what is the mass, in grams, of 27 moles of smooth muscle myosin?
107. 1.8 ´ 10⁴ g
108. B.3 ´ 10⁷ g
109. 1.8 ´ 10² g
110. 2.8 ´ 10²⁹ g
111. None of the answers is correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Molar Mass

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

107. As a research assistant, you are asked to prepare a 3.00-liter solution of magnesium sulfate at 45.0 micromoles per liter. How many moles of magnesium sulfate are required to make this solution?
108. A.000135 moles
109. 0.0000150 moles
110. 1.35 ´ 10⁸ moles
111. 1.50 ´ 10⁷ moles
112. None of the answers is correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Measurement (SI Units)

Subtopic: Mole Conversions

Topic: Stoichiometry and Chemical Reactions

Topic: Study of Chemistry

108. Calculate the molar mass of sulfuric acid.
109. A.086 g/mol
110. 81.078 g/mol
111. 49 g/mol
112. 41 g/mol
113. None of the answers are correct.

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Chemical Formulas

Subtopic: Molar Mass

Subtopic: Mole Conversions

Subtopic: Nomenclature

Topic: Components of Matter

Topic: Stoichiometry and Chemical Reactions

109. Ionic compounds tend to form between metals and nonmetals when electrons are transferred from an element with high ionization energy (metal) to an element with a low electron affinity (nonmetal).

FALSE

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Bloom’s Level: 4. Analyze

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Subtopic: Periodic Classification of the Elements

Subtopic: Trends in Physical Properties (Atomic Radius, Ionization Energy, Ionic Radius, Electron Affinity)

Topic: Chemical Bonding

Topic: Chemical Periodicity

110. Ionic compounds may carry a net positive or net negative charge.

FALSE

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Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Medium

Subtopic: Ionic Bonding and Lattice Energy

Topic: Chemical Bonding

111. When an alkali metal combines with a nonmetal, a covalent bond is normally formed.

FALSE

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Covalent Bonding

Subtopic: Electronegativity

Subtopic: Periodic Classification of the Elements

Topic: Chemical Bonding

Topic: Chemical Periodicity

112. The empirical formula of C₆H₆ is CH.

TRUE

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Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Topic: Stoichiometry and Chemical Reactions

113. The empirical formula is the simplest whole number ratio of atoms representing a chemical formula of a molecule.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Topic: Stoichiometry and Chemical Reactions

114. Many compounds can be represented with the same empirical formula.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Topic: Stoichiometry and Chemical Reactions

115. There is only one distinct empirical formula for each compound that exists.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Topic: Stoichiometry and Chemical Reactions

116. The molecular formula is a whole number multiple of the empirical formula.

TRUE

Accessibility: Keyboard Navigation

Bloom’s Level: 2. Understand

Chapter: 05 Ionic and Covalent Compounds

Difficulty: Easy

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)

Topic: Stoichiometry and Chemical Reactions

Category                                                                                                                                                                           # of Questions

Accessibility: Keyboard Navigation                                                                                                                                                             109

Bloom’s Level: 1. Remember                                                                                                                                                                        1

Bloom’s Level: 2. Understand                                                                                                                                                                      11

Bloom’s Level: 3. Apply                                                                                                                                                                               31

Bloom’s Level: 4. Analyze                                                                                                                                                                            70

Blooms: 5. Evaluate                                                                                                                                                                                      3

Chapter: 05 Ionic and Covalent Compounds                                                                                                                                               116

Difficulty: Easy                                                                                                                                                                                            43

Difficulty: Hard                                                                                                                                                                                            14

Difficulty: Medium                                                                                                                                                                                       59

Subtopic: Acid-Base Definitions                                                                                                                                                                  3

Subtopic: Bond Polarity                                                                                                                                                                                13

Subtopic: Chemical Formulas                                                                                                                                                                      39

Subtopic: Covalent Bonding                                                                                                                                                                         11

Subtopic: Electron Configurations of Cations and Anions                                                                                                                          2

Subtopic: Electronegativity                                                                                                                                                                           14

Subtopic: Formula Determination of Unknown Compounds (Empirical and Molecular Formulas)                                                           9

Subtopic: Ionic Bonding and Lattice Energy                                                                                                                                               27

Subtopic: Lewis Dot Symbols                                                                                                                                                                      14

Subtopic: Mass Percent Composition                                                                                                                                                           7

Subtopic: Measurement (SI Units)                                                                                                                                                               1

Subtopic: Molar Mass                                                                                                                                                                                  40

Subtopic: Mole Conversions                                                                                                                                                                        42

Subtopic: Molecules and Ions                                                                                                                                                                      35

Subtopic: Nomenclature                                                                                                                                                                                27

Subtopic: Periodic Classification of the Elements                                                                                                                                        4

Subtopic: Structure of the Atom                                                                                                                                                                   6

Subtopic: The Mole (Definition and Avogadro’s Number)                                                                                                                          10

Subtopic: Trends in Physical Properties (Atomic Radius, Ionization Energy, Ionic Radius, Electron Affinity)                                         3

Subtopic: Writing Lewis Dot Structures                                                                                                                                                      14

Topic: Acids and Bases                                                                                                                                                                                3

Topic: Chemical Bonding                                                                                                                                                                             52

Topic: Chemical Periodicity                                                                                                                                                                         6

Topic: Components of Matter                                                                                                                                                                       46

Topic: Electron Configuration                                                                                                                                                                      2

Topic: Molecular Shape                                                                                                                                                                               14

Topic: Stoichiometry and Chemical Reactions                                                                                                                                            51

Topic: Study of Chemistry                                                                                                                                                                            1