General, Organic, And Biological Chemistry 3rd Edition By janice Smith – Test Bank

 

To Purchase this Complete Test Bank with Answers Click the link Below

 

https://tbzuiqe.com/product/general-organic-and-biological-chemistry-3rd-edition-by-janice-smith-test-bank/

 

If face any problem or Further information contact us At tbzuiqe@gmail.com

 

 

 

Sample Test

Chapter 03

Ionic Compounds

 

 

Multiple Choice Questions

1.   Which is not an ionic compound?
A.KCl
B. Ca(NO₃)₂
C. CBr₄
D. AlBr₃

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

2.   Which is not a covalent compound?
A.Br₂
B. NO₂
C. NH₃
D. NaNO₂
E.

More than one of the compounds is not a covalent compound.

 

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Covalent Compounds
Topic: Compounds

 

 

3.   In bonding, main group elements _____ to attain the electronic configuration of the noble gas closest to them in the periodic table.
A.gain electrons
B. lose electrons
C. share electrons
D. gain, lose, or share electrons

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Covalent Compounds
Topic: Compounds

4.   _____ are negatively charged ions that have _____ electrons than protons.
A.Anions, more
B. Cations, more
C. Anions, less
D. Cations, less

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

5.   Which statement concerning the ion Li⁺ is correct?
A.Li⁺ has two total electrons.
B. Li⁺ has an octet of electrons in its valence shell.
C. Li⁺ is formed when a lithium atom gains one electron.
D. Li⁺ is formed when a lithium atom gains one proton.

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

6.   What is the electron configuration of an F^– ion?
A.1s²2s²2p⁴
B. 1s²2s²2p⁵
C. 1s²2s²2p⁶
D. 1s²2s²2p⁶3s¹

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

7.   What is the ion symbol for an atom with twenty (20) protons and eighteen (18) electrons?
A.Ca
B. Ca²⁺
C. Ar
D. Ar²⁺
E. Ar^2–

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

8.   When forming ions, metals typically do which of the following?
A.lose electrons to form negatively charged ions
B. gain protons to form cations
C. gain electrons to form anions
D. lose electrons to form positively charged ions

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

9.   What is the ion symbol for an atom with sixteen (16) protons and eighteen (18) electrons?
A.S^2–
B. S
C. Ar
D. Ar²⁺
E. Ar^2–

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

10.                How many protons and electrons are present in Co²⁺?
A.27 protons, 27 electrons
B. 27 protons, 29 electrons
C. 27 protons, 25 electrons
D. 29 protons, 27 electrons

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

11.                What is the symbol for the ion formed by magnesium?
A.Mg^2–
B. Mg³⁺
C. Mg²⁺
D. Mg^4–

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

12.                What is the charge of the ions formed by group 7A elements?
A.+1
B. +7
C. –1
D. –7

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

13.                What is the ion symbol of the oxide ion?
A.O^2–
B. O₂^2–
C. O₂
D. O²⁺
E. O^6–

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

14.                Which element has a variable charge?
A.Na
B. Fe
C. Al
D. C

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

15.                Which pair of elements will form an ionic compound?
A.sulfur and oxygen
B. copper and iron
C. iron and chlorine
D. bromine and oxygen

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

16.                What is the formula for the ionic compound formed when potassium and bromine combine?
A.PBr
B. KBr
C. KBr₂
D. K₂Br
E. K₇Br

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

17.                What is the formula for the ionic compound lithium oxide?
A.LiO
B. LiO₂
C. Li₂O
D. Li₂O₂

 

Bloom’s Level: 1. Remember
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

 

 

18.                Which statement best explains the basis for the octet rule?
A.Atoms are most stable when they have eight bonds.
B. Atoms lose, gain, or share electrons to become a stable, noble gas.
C. Atoms are most stable with eight protons in their nucleus.
D. Atoms are most stable with eight electrons in their valence shell and the electron configuration of a noble gas.

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Topic: Compounds

19.                What is the formula for the ionic compound formed when magnesium and oxygen combine?
A.MgO
B. MgO₂
C. Mg₂O
D. Mg₂O₂

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

20.                What is the formula for the ionic compound formed when aluminum and sulfur combine?
A.AlS
B. Al₂S₃
C. AlS₃
D. Al₂S
E. Al₃S₂

 

Bloom’s Level: 2. Understand
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

 

 

21.                What is the proper name for CuCl?
A.copper chloride
B. copper (I) chloride
C. copper (II) chloride
D. copper monochloride

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

22.                What is the proper name for MgF₂?
A.magnesium fluoride
B. magnesium (I) fluoride
C. magnesium (II) fluoride
D. magnesium difluoride

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

23.                What is the name of the SO₄^2– ion?
A.sulfide ion
B. sulfate ion
C. sulfite ion
D. bisulfate ion

 

Bloom’s Level: 1. Remember
Difficulty: Medium
Gradable: automatic
Subtopic: Ion Nomenclature
Subtopic: Polyatomic Ions
Topic: Compounds

 

 

24.                What is the chemical formula for the ionic compound calcium selenide?
A.Ca₂Se₂
B. CaSe
C. CaSe₂
D. Ca₂Se

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

25.                What is the chemical formula of tin (IV) cyanide?
A.Sn₄CN
B. SnCN₄
C. Sn(CN)₄
D. SnC₄N₄

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

26.                The formula for zinc acetate is _____.
A.ZnCH₃CO₂
B. Zn(CH₃CO₂)₂
C. Zn(HCO₃)₂
D. Zn(HCl)₈

 

Bloom’s Level: 2. Understand
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

 

 

27.                Which chemical formula is not correct?
A.Na₂HCO₃
B. NaNO₃
C. Na₂HPO₄
D. Na₂SO₃
E.

More than one of the formulas is not correct.

 

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

28.                Which chemical formula is correct?
A.Ag(CH₃CO₂)₂
B. K₂CN
C. Mg(OH)₂
D. MgHCO₃
E.

More than one of the formulas is correct.

 

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

 

 

29.                 

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.   –1
B. +3
C. –5
D. –3

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

30.                 

Which atom fits the electron-dot symbol shown below?

1.   Li
B. B
C. N
D. Na

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

31.                 

If atoms with the electron-dot symbols shown below are combined, what is the formula of the ionic compound that is formed?

1.   XY
B. X₂Y
C. XY₂
D. X₂Y₂
E. X₃Y₂

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

32.                 

If atoms with the electron-dot symbols shown below are combined, what is the formula of the ionic compound that is formed?

1.   XY
B. X₂Y
C. XY₂
D. X₂Y₂
E. X₃Y₂

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

 

 

33.                What period 4 element forms an ion with a –1 charge?
A.sulfur
B. bromine
C. iodine
D. rubidium
E. potassium

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

34.                What is the name of the compound (NH₄)₂SO₄?
A.ammonium sulfide
B. ammonia sulfate
C. ammonia sulfoxide
D. ammonium sulfate
E. diammonium sulfate

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

35.                The correct name for Ag₂O is _____.
A.silver (II) oxide
B. silver (I) oxide
C. silver oxide
D. disilver oxide

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

 

 

36.                Which compound has the highest melting point?
A.KCl
B. CH₄
C. C₆H₁₂O₆
D. H₂O

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Physical Properties of Ionic Compounds
Topic: Compounds

37.                What is the charge on the chromium ion in the ionic compound CrCl₃?
A.+6
B. +3
C. –3
D. –6
E. Not enough information is given to determine the charge.

 

Bloom’s Level: 5. Evaluate
Difficulty: Hard
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

38.                What is the formula for the ionic compound formed from the lead (II) ion and the carbonate ion?
A.Pb(CO₃)₂
B. PbCO₃
C. Pb₂CO₃
D. PbCO₄

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

 

 

39.                The correct name for AuI₃ is
A.silver iodide
B. gold iodide
C. gold (III) iodide
D. gold iodide (III)

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

40.                What is the formula for chromous cyanide?
A.CrCN
B. Cr(CN)₂
C. Cr(CN)₃
D. Cr₂CN

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

41.                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?
A.P₂O₇^2–
B. PO^4–
C. 2 PO₄^6–
D. P₂O₇^4–

 

Bloom’s Level: 5. Evaluate
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Subtopic: Polyatomic Ions
Topic: Compounds

 

 

 

True / False Questions

42.                Anions are formed when a neutral atom gains one or more electrons.
TRUE

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

43.                The (II) in the name of the ionic compound lead (II) acetate specifically indicates that there are two lead ions present in the compound.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

44.                Neutral atoms always contain an equal number of protons, neutrons, and electrons.

FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Topic: Compounds

 

 

45.                Ionic compounds are composed of individual molecules, discrete groups of atoms that share electrons.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

46.                Ionic compounds are composed of positively and negatively charged ions held together by strong electrostatic forces.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

47.                Bonding is the joining of two atoms in a stable arrangement.

TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Topic: Compounds

48.                Ionic bonds result from the sharing of electrons between two atoms.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

 

 

49.                A cation is positively charged, and has more electrons than the neutral atom.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

50.                The ionic formula for zinc oxide is ZnO₂.
FALSE

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compounds
Topic: Compounds

51.                Ionic compounds have very high melting points compared to covalent compounds.

TRUE

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Subtopic: Physical Properties of Ionic Compounds
Topic: Compounds

52.                All ionic compounds are soluble in water.
FALSE

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Subtopic: Physical Properties of Ionic Compounds
Topic: Compounds

 

 

53.                An ionic compound is a pure substance formed by chemically combining two or more nonmetal atoms together.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compounds
Subtopic: Physical Properties of Ionic Compounds
Topic: Compounds

54.                A polyatomic ion is an ion that forms more than one charge.

FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Polyatomic Ions
Topic: Compounds

55.                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.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Nomenclature
Topic: Compounds

56.                The correct name for CaHPO₄ is calcium phosphate.
FALSE

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

 

 

57.                The symbol for the nitrite ion is NO₂^–.

TRUE

 

Bloom’s Level: 1. Remember
Difficulty: Medium
Gradable: automatic
Subtopic: Ion Nomenclature
Topic: Compounds

58.                The noble gas that has the same electronic configuration as the iodide ion is krypton.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

59.                Elements in group 2A form ions with a +2 charge.
TRUE

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

60.                Ionic compounds are usually solids at room temperature.
TRUE

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Physical Properties of Ionic Compounds
Topic: Compounds

 

 

61.                The formula for copper (II) hydroxide is Cu(OH)₂.

TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Topic: Compounds

62.                Sodium nitrate and sodium nitrite are two acceptable names for the same compound.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

63.                Sodium bicarbonate and sodium hydrogen carbonate are two acceptable names for the same compound.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

 

 

64.                The sulfite ion contains more oxygen atoms than the sulfate ion.

FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ion Nomenclature
Subtopic: Polyatomic Ions
Topic: Compounds

65.                The carbonate ion contains the same number of oxygen atoms as the sulfate ion.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Ion Nomenclature
Subtopic: Polyatomic Ions
Topic: Compounds

66.                The electron configuration for the sulfide ion is 1s²2s²2p⁶3s²3p⁶4s².
FALSE

 

Bloom’s Level: 5. Evaluate
Difficulty: Hard
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

67.                 

If the main group element has an electron-dot symbol of , the charge of the resulting ion will be +2.

TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

68.                 

If the main group element has an electron-dot symbol of , the charge of the resulting ion will be –2.

TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

69.                All polyatomic ions are anions.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Polyatomic Ions
Topic: Compounds

 

 

70.                All isotopes of an element form the same type of ion.

TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

71.                All p block elements form ions.
FALSE

 

Bloom’s Level: 5. Evaluate
Difficulty: Hard
Gradable: automatic
Subtopic: Monoatomic Ions
Subtopic: Polyatomic Ions
Topic: Compounds

72.                The ion symbol for the ferric ion is Fe²⁺.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

73.                An iron (III) ion has 29 protons and 26 electrons.
FALSE

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

74.                An iodide ion has 53 protons and 54 electrons.

TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

75.                Strontium and barium form ions with the same charge.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

76.                Potassium sulfide has the chemical formula K₂S.
TRUE

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

77.                In crystal of an ionic compound, the cations are surrounded by anions so that the charges of the ions are balanced.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

 

 

78.                The formula for stannic fluoride is SnF₄.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Subtopic: Ionic Compounds
Topic: Compounds

79.                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.
TRUE

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compounds
Topic: Compounds

80.                A main group element is especially stable when it possesses eight total electrons.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Topic: Compounds

81.                When magnesium forms an ion it gains two electrons.
FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

82.                 

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.

FALSE

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

Fill in the Blank Questions

83.                Ionic bonds form between a metal on the _____ side of the periodic table and a nonmetal on the _____ side.
left, right

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Ionic Compounds
Topic: Compounds

84.                The electrons in the outermost occupied shell of an atom are called the _____ electrons.
valence

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

85.                The _____ rule states that a main group element is especially stable when it possesses eight electrons in its outer shell.
octet

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Subtopic: Monoatomic Ions
Topic: Compounds

86.                The chemical formula for iron (III) bicarbonate is _____.
Fe(HCO3)3

 

Bloom’s Level: 4. Analyze
Difficulty: Hard
Gradable: automatic
Subtopic: Formulas for Ionic Compounds
Subtopic: Ionic Compound Nomenclature
Topic: Compounds

87.                The formula for the ammonium ion is _____.
NH4+

 

Bloom’s Level: 1. Remember
Difficulty: Medium
Gradable: automatic
Subtopic: Ion Nomenclature
Subtopic: Polyatomic Ions
Topic: Compounds

88.                The electron configuration of the oxide ion is _____.
1s22s22p6

 

Bloom’s Level: 5. Evaluate
Difficulty: Hard
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

 

 

89.                The Ca²⁺ ion contains _____ protons.
20 or twenty

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Subtopic: Monoatomic Ions
Topic: Compounds

90.                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.
electron configuration

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Covalent Compounds
Subtopic: Ionic Compounds
Topic: Compounds

 

Chapter 05

Chemical Reactions

 

 

Multiple Choice Questions

1.   The law of conservation of mass states that
A.atoms cannot be created or destroyed in a chemical reaction.
B. molecules cannot be created or destroyed in a chemical reaction.
C. compounds cannot be created or destroyed in a chemical reaction.
D. heat cannot be created or destroyed in a chemical reaction.

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Types of Chemical Reactions
Topic: Chemical Reactions

2.    

The Greek letter delta (D) may be written over the reaction arrow in a chemical equation to indicate that

1.   heat is generated when the reaction occurs.
B. a catalyst is needed for the reaction to occur.
C. water is needed for the reaction to occur.
D. heat is needed for the reaction to occur.

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Subtopic: Writing and Balancing Chemical Equations
Topic: Chemical Reactions

 

 

3.   Which chemical equation is properly balanced?
A.

SO₂ + O₂ + H₂O ® H₂SO₄

1.    

2 SO₂ + O₂ + 2 H₂O ® 2 H₂SO₄

1.    

SO₂ + O₂ + 4 H₂O ® 2 H₂SO₄

1.    

4 SO₂ + O₂ + 4 H₂O ® 4 H₂SO₄

 

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Subtopic: Writing and Balancing Chemical Equations
Topic: Chemical Reactions

4.    

In the chemical equation 2 Co(NO₃)₃ + 3 (NH₄)₂S ® Co₂S₃ + 6 NH₄NO₃ , how many nitrogen atoms are on each side of the equation?

1.   2
B. 3
C. 6
D. 12
E. 16

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Writing and Balancing Chemical Equations
Topic: Chemical Reactions

 

 

5.   Write a balanced chemical equation for the reaction of acetone (C₃H₆O) with oxygen (O₂) to form carbon dioxide (CO₂) and water (H₂O).
A.

C₃H₆O + O₂ ® CO₂ + H₂O

1.    

C₃H₆O + 4 O₂ ® 3 CO₂ + 3 H₂O

1.    

3 CO₂ + 3 H₂O ® C₃H₆O + 4 O₂

1.    

6 C₃H₆O + 8 O₂ ® 6 CO₂ + 6 H₂O

 

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Subtopic: Writing and Balancing Chemical Equations
Topic: Chemical Reactions

6.   How many carbon atoms are in 3.85 mol of carbon?
A.3.85 carbon atoms
B. 23.2 carbon atoms
C. 6.02 ´ 10²³ carbon atoms
D. 2.32 ´ 10²⁴ carbon atoms
E. 6.40 ´ 10^–24 carbon atoms

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Subtopic: The Mole (Definition and Avogadro’s Number)
Topic: Chemical Calculations

 

 

7.   How many iron atoms are in 0.32 mol of Fe₂O₃?
A.3.9 ´ 10²³ iron atoms
B. 3.9 iron atoms
C. 6.02 ´ 10²³ iron atoms
D. 1.9 ´ 10²³ iron atoms
E. 1.1 ´ 10^–24 iron atoms

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Subtopic: The Mole (Definition and Avogadro’s Number)
Topic: Chemical Calculations

8.   How many moles of chloroethylene (C₂H₃Cl) contain 5.47 ´ 10²⁶ molecules?
A.3.29 ´ 10⁵⁰ mol of C₂H₃Cl
B. 5.47 ´ 10²⁶ mol of C₂H₃Cl
C. 909 mol of C₂H₃Cl
D. 5450 mol of C₂H₃Cl

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Subtopic: The Mole (Definition and Avogadro’s Number)
Topic: Chemical Calculations

9.   What is the formula weight of KCl?
A.74.55 amu
B. 66.42 amu
C. 36.00 amu
D. 1386 amu

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Subtopic: Molar Mass
Topic: Chemical Calculations