Question 1

Elements in group 2A(2) of the periodic table form ions with a charge of

Accepted Answer

A) 1+. 
B) 1-. 
C) 2+. 
D) 3+. 
E) 0. 
A) 1+. 
B) 1-. 
C) 2+. 
D) 3+. 
E) 0.

Question 2

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

Accepted Answer

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

Question 3

The compound MgCl₂ is named

Accepted Answer

A) magnesium chlorine. 
B) magnesium dichloride. 
C) magnesium(II)chloride. 
D) magnesium chloride. 
E) dimagnesium chloride. 
A) magnesium chlorine. 
B) magnesium dichloride. 
C) magnesium(II)chloride. 
D) magnesium chloride. 
E) dimagnesium chloride.

Question 4

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

Question 5

The shape of the water molecule ( H2O) is

Accepted Answer

A) linear. 
B) tetrahedral. 
C) pyramidal. 
D) bent. 
E) octagonal. 
A) linear. 
B) tetrahedral. 
C) pyramidal. 
D) bent. 
E) octagonal.

Question 6

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

Accepted Answer

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

Question 7

The formula of copper(I) sulfide is

Accepted Answer

A) CuS. 
B) Cu2S. 
C) Cu2(SO4)3. 
D) CuSO4. 
E) CuS2. 
A) CuS. 
B) Cu2S. 
C) Cu2(SO4)3. 
D) CuSO4. 
E) CuS2.

Question 8

What is the formula of carbon tetraiodide?

Accepted Answer

A) CI 
B) CI4 
C) C₄I 
D) CI3 
E) C2I4 
A) CI 
B) CI4 
C) C₄I 
D) CI3 
E) C2I4

Question 9

The strongest interactions in the compound sodium fluoride, NaF, are examples of

Accepted Answer

A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) dipole-dipole interactions. 
E) dispersion forces. 
A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) dipole-dipole interactions. 
E) dispersion forces.

Question 10

The bond in Cl₂ is a(n)

Accepted Answer

A) ionic bond. 
B) nonpolar covalent bond. 
C) metallic bond. 
D) polar ionic bond. 
E) no bond. 
A) ionic bond. 
B) nonpolar covalent bond. 
C) metallic bond. 
D) polar ionic bond. 
E) no bond.

Question 11

The strongest interactions between atoms of helium He are examples of

Accepted Answer

A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) dipole-dipole interactions. 
E) dispersion forces. 
A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) dipole-dipole interactions. 
E) dispersion forces.

Question 12

Ionic bonding is expected in which of these compounds?

Accepted Answer

A) Cl₂ 
B) KF 
C) OF2 
D) HF 
E) H2 
A) Cl₂ 
B) KF 
C) OF2 
D) HF 
E) H2

Question 13

Which of the following substances contains a nonpolar covalent bond?

Accepted Answer

A) H2O 
B) NaCl 
C) NH₃ 
D) MgF2 
E) N2 
A) H2O 
B) NaCl 
C) NH₃ 
D) MgF2 
E) N2

Question 14

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

Accepted Answer

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

Question 15

The name of PbO2 is

Accepted Answer

A) lead dioxide. 
B) lead(II)oxide. 
C) lead(IV)oxide. 
D) plumbum oxide. 
E) lead oxygen. 
A) lead dioxide. 
B) lead(II)oxide. 
C) lead(IV)oxide. 
D) plumbum oxide. 
E) lead oxygen.

Question 16

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

Question 17

If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is

Accepted Answer

A) ionic. 
B) nonpolar ionic. 
C) nonpolar covalent. 
D) polar covalent. 
E) impossible. 
A) ionic. 
B) nonpolar ionic. 
C) nonpolar covalent. 
D) polar covalent. 
E) impossible.

Question 18

What is the ionic charge of an ion with 13 protons and 10 electrons?

Accepted Answer

A) 1+ 
B) 2+ 
C) 3+ 
D) 2- 
E) 3- 
A) 1+ 
B) 2+ 
C) 3+ 
D) 2- 
E) 3-

Question 19

Hydrogen sulfide, H2S, has a shape similar to

Accepted Answer

A) carbon dioxide. 
B) carbon monoxide. 
C) hydrogen chloride. 
D) water. 
E) carbon tetrachloride. 
A) carbon dioxide. 
B) carbon monoxide. 
C) hydrogen chloride. 
D) water. 
E) carbon tetrachloride.

Question 20

What is the name of FeCl₃ ?

Accepted Answer

The answer of What is the name of FeCl₃ ?...

Exam 6: Ionic and Molecular Compounds

Elements in group 2A(2) of the periodic table form ions with a charge of

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

The compound MgCl₂ is named

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

The shape of the water molecule ( H2O) is

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

The formula of copper(I) sulfide is

What is the formula of carbon tetraiodide?

The strongest interactions in the compound sodium fluoride, NaF, are examples of

The bond in Cl₂ is a(n)

The strongest interactions between atoms of helium He are examples of

Ionic bonding is expected in which of these compounds?

Which of the following substances contains a nonpolar covalent bond?

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

The name of PbO2 is

The name of Al2(SO₄)3 is

If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is

What is the ionic charge of an ion with 13 protons and 10 electrons?

Hydrogen sulfide, H2S, has a shape similar to

What is the name of FeCl₃ ?

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The shape of the water molecule ( H₂O) is

The name of PbO₂ is

The name of Al₂(SO₄)₃ is

Hydrogen sulfide, H₂S, has a shape similar to