Question 1

The strongest interactions between molecules of ammonia,   are

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

Choose the best Lewis structure for

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    E

Question 4

The water molecule has a dipole with the negative portion

Accepted Answer

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

Question 5

Which of the following compounds contains an ionic bond?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 6

The strongest interactions between molecules of hydrogen,   are

Accepted Answer

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

Question 7

The types of compounds that use prefixes in their names are

Accepted Answer

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

Question 8

What is the name of  ?

Accepted Answer

A)  chromium(III) nitrite 
B)  chromium trinitrate 
C)  chromium nitrate 
D)  chromium(III) nitrate 
E)  chromium trinitrite 
A)  chromium(III) nitrite 
B)  chromium trinitrate 
C)  chromium nitrate 
D)  chromium(III) nitrate 
E)  chromium trinitrite

Question 9

Valence electrons are electrons located

Accepted Answer

A) in the nucleus of an atom. 
B) in the outermost energy level of an atom. 
C) in the first three shells of an atom. 
D) in the innermost energy level of an atom. 
E) throughout the atom. 
A) in the nucleus of an atom. 
B) in the outermost energy level of an atom. 
C) in the first three shells of an atom. 
D) in the innermost energy level of an atom. 
E) throughout the atom.

Question 10

Which of the following polyatomic ions has a 3- ionic charge?

Accepted Answer

A) phosphate 
B) hydroxide 
C) sulfate 
D) nitrate 
E) bicarbonate 
A) phosphate 
B) hydroxide 
C) sulfate 
D) nitrate 
E) bicarbonate

Question 11

In ionic compounds, ________ lose their valence electrons to form positively charged ________.

Accepted Answer

A) nonmetals; anions 
B) metals; anions 
C) metals; polyatomic ions 
D) nonmetals; cations 
E) metals; cations 
A) nonmetals; anions 
B) metals; anions 
C) metals; polyatomic ions 
D) nonmetals; cations 
E) metals; cations

Question 12

The name of the   ion is

Accepted Answer

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

Question 13

is called

Accepted Answer

A)  iron(III) sulfate. 
B)  iron(II) sulfate. 
C)  iron trisulfate. 
D)  iron sulfate. 
E)  diiron trisulfate. 
A)  iron(III) sulfate. 
B)  iron(II) sulfate. 
C)  iron trisulfate. 
D)  iron sulfate. 
E)  diiron trisulfate.

Question 14

The shape of the ammonia molecule   is

Accepted Answer

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

Question 15

Which of the following elements does NOT exist as a diatomic molecule?

Accepted Answer

A) hydrogen 
B) nitrogen 
C) carbon 
D) oxygen 
E) chlorine 
A) hydrogen 
B) nitrogen 
C) carbon 
D) oxygen 
E) chlorine

Question 16

The formula of copper(I) sulfide is

Accepted Answer

A)    
B)    
C)    
D)    
E)    Cu2(So4)3 
A)    
B)    
C)    
D)    
E)    Cu2(So4)3

Question 17

An anion always

Accepted Answer

A) has a negative charge. 
B) contains a metal and a nonmetal. 
C) has a positive charge. 
D) forms covalent bonds. 
E) contains a group of two or more atoms with a positive charge. 
A) has a negative charge. 
B) contains a metal and a nonmetal. 
C) has a positive charge. 
D) forms covalent bonds. 
E) contains a group of two or more atoms with a positive charge.

Question 18

What is the formula for aluminum nitrite?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

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

Accepted Answer

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

Question 20

What is the formula of a compound that contains   ions?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Exam 6: Ionic and Molecular Compounds

The strongest interactions between molecules of ammonia, are

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

Choose the best Lewis structure for

The water molecule has a dipole with the negative portion

Which of the following compounds contains an ionic bond?

The strongest interactions between molecules of hydrogen, are

The types of compounds that use prefixes in their names are

What is the name of ?

Valence electrons are electrons located

Which of the following polyatomic ions has a 3- ionic charge?

In ionic compounds, ________ lose their valence electrons to form positively charged ________.

The name of the ion is

is called

The shape of the ammonia molecule is

Which of the following elements does NOT exist as a diatomic molecule?

The formula of copper(I) sulfide is

An anion always

What is the formula for aluminum nitrite?

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

What is the formula of a compound that contains ions?

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