Question 1

The shape of the ammonia molecule ( NH₃) is

Accepted Answer

A) linear. 
B) square. 
C) pyramidal. 
D) hexagonal. 
E) octagonal. 
A) linear. 
B) square. 
C) pyramidal. 
D) hexagonal. 
E) octagonal.

Question 2

The VSEPR theory allows us to determine the most favorable

Accepted Answer

A) shape of a molecule. 
B) charge on an ion. 
C) color of a compound. 
D) bond type for a molecule. 
E) formula for a compound. 
A) shape of a molecule. 
B) charge on an ion. 
C) color of a compound. 
D) bond type for a molecule. 
E) formula for a compound.

Question 3

The water molecule has a dipole with the negative portion

Accepted Answer

A) localized between the hydrogen atoms. 
B) pointing toward the oxygen atom. 
C) localized on one of the hydrogens. 
D) pointing from the oxygen through the hydrogen atoms. 
E) surrounding the molecule. 
A) localized between the hydrogen atoms. 
B) pointing toward the oxygen atom. 
C) localized on one of the hydrogens. 
D) pointing from the oxygen through the hydrogen atoms. 
E) surrounding the molecule.

Question 4

What is the correct formula for the iron(II) ion?

Accepted Answer

A) Fe+ 
B) Fe2+ 
C) Fe3+ 
D) Fe2- 
E) Fe3- 
A) Fe+ 
B) Fe2+ 
C) Fe3+ 
D) Fe2- 
E) Fe3-

Question 5

Identify each of the following compounds as covalent or ionic.
-nitrogen trichloride

Accepted Answer

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

Question 6

The strongest interactions between molecules of ammonia ( NH3) are

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

An ionic compound

Accepted Answer

A) has a net positive charge. 
B) has a net negative charge. 
C) contains only cations. 
D) contains only anions. 
E) has a net charge of zero. 
A) has a net positive charge. 
B) has a net negative charge. 
C) contains only cations. 
D) contains only anions. 
E) has a net charge of zero.

Question 9

What is the name of SF6?

Accepted Answer

Question 10

Which one of the following elements forms two or more ions with different ionic charges?

Accepted Answer

A) K 
B) F 
C) Ca 
D) O 
E) Fe 
A) K 
B) F 
C) Ca 
D) O 
E) Fe

Question 11

The number of electrons in an ion with 20 protons and an ionic charge of 2+ is

Accepted Answer

A) 24. 
B) 22. 
C) 20. 
D) 18. 
E) 16. 
A) 24. 
B) 22. 
C) 20. 
D) 18. 
E) 16.

Question 12

The ability of an atom to attract the shared electrons in a covalent bond is its

Accepted Answer

A) electronegativity. 
B) bonding ability. 
C) polarity. 
D) ionic character. 
E) nonpolarity. 
A) electronegativity. 
B) bonding ability. 
C) polarity. 
D) ionic character. 
E) nonpolarity.

Question 13

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

Question 14

How many valence electrons are in the electron-dot structure of CCl4 ?

Accepted Answer

A) 0 
B) 82 
C) 6 
D) 8 
E) 32 
A) 0 
B) 82 
C) 6 
D) 8 
E) 32

Question 15

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

Accepted Answer

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

Question 16

The correct name of the compound NCl3 is

Accepted Answer

A) nitrogen chloride. 
B) trinitrogen chloride. 
C) nitrogen (III) chloride. 
D) nickel chloride. 
E) nitrogen trichloride. 
A) nitrogen chloride. 
B) trinitrogen chloride. 
C) nitrogen (III) chloride. 
D) nickel chloride. 
E) nitrogen trichloride.

Question 17

The name of the Cu+ ion is

Accepted Answer

A) copper(II). 
B) copper(I). 
C) cobalt. 
D) copper. 
E) cuprum. 
A) copper(II). 
B) copper(I). 
C) cobalt. 
D) copper. 
E) cuprum.

Question 18

Which of the following compounds contains a polar covalent bond?

Accepted Answer

A) NaF 
B) HCl 
C) Br2 
D) MgO 
E) O2 
A) NaF 
B) HCl 
C) Br2 
D) MgO 
E) O2

Question 19

The number of valence electrons found in an atom of a Group A element is equal to

Accepted Answer

A) its atomic number. 
B) its mass number. 
C) its group number. 
D) eight. 
E) eight minus the group number. 
A) its atomic number. 
B) its mass number. 
C) its group number. 
D) eight. 
E) eight minus the group number.

Question 20

What is the name of Na2S?

Accepted Answer

Exam 6: Ionic and Molecular Compounds

The shape of the ammonia molecule ( NH₃) is

The VSEPR theory allows us to determine the most favorable

The water molecule has a dipole with the negative portion

What is the correct formula for the iron(II) ion?

Identify each of the following compounds as covalent or ionic. -nitrogen trichloride

The strongest interactions between molecules of ammonia ( NH3) are

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

An ionic compound

What is the name of SF6?

Which one of the following elements forms two or more ions with different ionic charges?

The number of electrons in an ion with 20 protons and an ionic charge of 2+ is

The ability of an atom to attract the shared electrons in a covalent bond is its

The types of compounds that use prefixes in their names are

How many valence electrons are in the electron-dot structure of CCl4 ?

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

The correct name of the compound NCl3 is

The name of the Cu+ ion is

Which of the following compounds contains a polar covalent bond?

The number of valence electrons found in an atom of a Group A element is equal to

What is the name of Na2S?

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Filters

The strongest interactions between molecules of ammonia ( NH₃) are

What is the name of SF₆?

How many valence electrons are in the electron-dot structure of CCl₄ ?

The correct name of the compound NCl₃ is

What is the name of Na₂S?