Question 1

Match the correct name of the polyatomic ions with the formulas given.
-HSO₄-

Accepted Answer

A)   sulfate
B)   nitrate
C)   hydrogen carbonate
D)   hydroxide
E)   nitriteF)  oxideG)  phosphateH)  carbonateI)  hydrogen sulfiteJ)  carboniteK)  sulfiteL)  hydrogen sulfateM)  phosphate.N) G) and K)
O) A) and E)

Question 2

Choose the best electron-dot structure for CH₂Cl₂.

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) B) and E)

Question 3

The types of compounds that use prefixes in their names are

Accepted Answer

A)   ionic compounds.
B)   ionic compounds involving transition metals.
C)   polyatomic ions.
D)   covalent compounds.
E)   compounds that contain polyatomic ions.F) A) and B)
G) B) and D)

Question 4

The name of Al2(SO₄) 3 is

Accepted Answer

A)   aluminum(III)  sulfate.
B)   dialuminum trisulfate.
C)   dialuminum sulfate.
D)   dialuminum trisulfide.
E)   aluminum sulfate.F) A) and E)
G) A) and B)

Question 5

The correct formula for the compound formed from Mg and S is

Accepted Answer

A)   MgS.
B)   MgS2.
C)   Mg2S.
D)   Mg2S2.
E)   Mg2S3.F) A) and B)
G) D) and E)

Question 6

Identify each of the following compounds as covalent or ionic.
-dihydrogen sulfide

Accepted Answer

The answer of Identify each of the following compounds as...

Question 7

A(n)  __________ is the smallest neutral unit of two or more atoms held together by a covalent bond.

Accepted Answer

A)   ionic compound
B)   nucleus
C)   molecule
D)   formula
E)   unitF) B) and D)
G) B) and C)

Question 8

Match the correct name of the polyatomic ions with the formulas given.
-NO₂-

Accepted Answer

A)   sulfate
B)   nitrate
C)   hydrogen carbonate
D)   hydroxide
E)   nitriteF)  oxideG)  phosphateH)  carbonateI)  hydrogen sulfiteJ)  carboniteK)  sulfiteL)  hydrogen sulfateM)  phosphate.N) H) and M)
O) A) and B)

Question 9

Which of the following substances contains a nonpolar covalent bond?

Accepted Answer

A)   H₂O
B)   NaCl
C)   NH3
D)   MgF2
E)   N₂F) A) and B)
G) A) and C)

Question 10

Which of the following compounds contains an ionic bond?

Accepted Answer

A)   NH3
B)   H₂O
C)   CaO
D)   H₂
E)   CH4F) D) and E)
G) A) and E)

Question 11

Which of the following compounds contains a polar covalent bond?

Accepted Answer

A)   NaF
B)   HCl
C)   Br₂
D)   MgO
E)   O₂F) B) and D)
G) A) and C)

Question 12

Match the correct name of the polyatomic ions with the formulas given.
-SO₃2-

Accepted Answer

A)   sulfate
B)   nitrate
C)   hydrogen carbonate
D)   hydroxide
E)   nitriteF)  oxideG)  phosphateH)  carbonateI)  hydrogen sulfiteJ)  carboniteK)  sulfiteL)  hydrogen sulfateM)  phosphate.N) C) and F)
O) B) and K)

Question 13

Match the correct name of the polyatomic ions with the formulas given.
-Ca

Accepted Answer

A)  1-
B)  0
C)  2-
D)  3+
E)  2+F) 1+G) B) and E)
H) None of the above

Question 14

Which one of the following compounds contains an ion with a 3+ charge?

Accepted Answer

A)   KCl
B)   Na2O
C)   FeCl3
D)   CuCl
E)   MgCl₂F) A) and C)
G) C) and D)

Question 15

The name of the HSO₄- ion is

Accepted Answer

A)   sulfate.
B)   hydrogen sulfate.
C)   sulfite.
D)   hydrogen sulfite.
E)   sulfide.F) C) and D)
G) A) and C)

Question 16

The correct formula for a compound formed from the elements Al and O is

Accepted Answer

A)   AlO.
B)   Al2O.
C)   Al3O₂.
D)   AlO₃ .
E)   Al2O₃ .F) A) and E)
G) A) and D)

Question 17

The shape of the carbon tetrachloride molecule is

Accepted Answer

A)   linear.
B)   square.
C)   pyramidal.
D)   tetrahedral.
E)   octagonal.F) C) and E)
G) D) and E)

Question 18

In a covalently bonded molecule, the number of electrons that an atom shares with others is usually equal to the number of electrons

Accepted Answer

A)   in the atom.
B)   in its nucleus.
C)   in all the atoms.
D)   in its ion.
E)   needed to give it a stable electron configurationF) B) and D)
G) All of the above

Question 19

Identify each of the following molecules as polar or nonpolar.
-water

Accepted Answer

The answer of Identify each of the following molecules as...

Question 20

Identify each of the following compounds as covalent or ionic.
-sodium fluoride

Accepted Answer

The answer of Identify each of the following compounds as...

Exam 5: Compounds and Their Bonds

The name of the HSO₄- ion is

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Identify each of the following compounds as covalent or ionic. -dihydrogen sulfide

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A(n) __________ is the smallest neutral unit of two or more atoms held together by a covalent bond.

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Which of the following substances contains a nonpolar covalent bond?

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The types of compounds that use prefixes in their names are

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The correct formula for the compound formed from Mg and S is

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Which of the following compounds contains an ionic bond?

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Match the correct name of the polyatomic ions with the formulas given. -HSO₄-

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Identify each of the following molecules as polar or nonpolar. -water

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Match the correct name of the polyatomic ions with the formulas given. -NO₂-

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Match the correct name of the polyatomic ions with the formulas given. -SO₃2-

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The name of Al2(SO₄) 3 is

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Which one of the following compounds contains an ion with a 3+ charge?

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Choose the best electron-dot structure for CH₂Cl₂.

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Match the correct name of the polyatomic ions with the formulas given. -Ca

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Identify each of the following compounds as covalent or ionic. -sodium fluoride

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The correct formula for a compound formed from the elements Al and O is

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In a covalently bonded molecule, the number of electrons that an atom shares with others is usually equal to the number of electrons

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Which of the following compounds contains a polar covalent bond?

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The shape of the carbon tetrachloride molecule is

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Match the correct name of the polyatomic ions with the formulas given. -SO₃^2-

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The name of Al₂(SO₄) ₃ is

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