Question 1

The individual particles in a molecular solid are held together as a result of

Accepted Answer

A)  electron transfer between adjacent atoms. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a sea of freely moving electrons. 
A)  electron transfer between adjacent atoms. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a sea of freely moving electrons.

Question 2

Which solids are the best electrical conductors?

Accepted Answer

A)  covalent 
B)  ionic 
C)  molecular 
D)  metallic 
A)  covalent 
B)  ionic 
C)  molecular 
D)  metallic

Question 3

Which of the following would you expect to be a strong electrolyte in solution?

Accepted Answer

A)  NaCl 
B)  AgCl 
C)  acetic acid 
D)  soap 
A)  NaCl 
B)  AgCl 
C)  acetic acid 
D)  soap

Question 4

The individual particles in a covalent solid are held together as a result of

Accepted Answer

A)  electron transfer between adjacent atoms. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a gas of freely moving electrons. 
A)  electron transfer between adjacent atoms. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a gas of freely moving electrons.

Question 5

Which solids are the best heat conductors?

Accepted Answer

A)  covalent 
B)  ionic 
C)  molecular 
D)  metallic 
A)  covalent 
B)  ionic 
C)  molecular 
D)  metallic

Question 6

The chief ions in seawater are

Accepted Answer

A)  H+ and OH-. 
B)  Na+ and Cl-. 
C)  Ca2+ and Mg2+. 
D)  K+ and SO2-. 
A)  H+ and OH-. 
B)  Na+ and Cl-. 
C)  Ca2+ and Mg2+. 
D)  K+ and SO2-.

Question 7

The strongest bonds are

Accepted Answer

A)  ionic. 
B)  covalent. 
C)  metallic. 
D)  van der Waals. 
A)  ionic. 
B)  covalent. 
C)  metallic. 
D)  van der Waals.

Question 8

The symbol of the hydronium ion is

Accepted Answer

A)  H3O-. 
B)  H3O+. 
C)  OH-. 
D)  OH+. 
A)  H3O-. 
B)  H3O+. 
C)  OH-. 
D)  OH+.

Question 9

The individual particles in an ionic solid are held together as a result of

Accepted Answer

A)  electron transfer between adjacent molecules. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a sea of freely moving electrons. 
A)  electron transfer between adjacent molecules. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a sea of freely moving electrons.

Question 10

A solution of ammonia, NH3, in water is

Accepted Answer

A)  acidic. 
B)  basic. 
C)  neutral. 
D)  Any of these choices could be correct, depending on the concentration. 
A)  acidic. 
B)  basic. 
C)  neutral. 
D)  Any of these choices could be correct, depending on the concentration.

Question 11

Ionic crystals dissolve only in liquids that are

Accepted Answer

A)  polar. 
B)  nonpolar. 
C)  saturated. 
D)  supersaturated. 
A)  polar. 
B)  nonpolar. 
C)  saturated. 
D)  supersaturated.

Question 12

The fundamental reaction of neutralization is

Accepted Answer

A)  H+ + H2O → H3O+. 
B)  H2O → H+ + OH-. 
C)  H+ + OH- → H2O. 
D)  H2O + H2O → H3O+ + OH-. 
A)  H+ + H2O → H3O+. 
B)  H2O → H+ + OH-. 
C)  H+ + OH- → H2O. 
D)  H2O + H2O → H3O+ + OH-.

Question 13

A saturated solution contains

Accepted Answer

A)  only ions. 
B)  only nonpolar molecules. 
C)  the maximum concentration of solute. 
D)  the maximum concentration of solvent. 
A)  only ions. 
B)  only nonpolar molecules. 
C)  the maximum concentration of solute. 
D)  the maximum concentration of solvent.

Question 14

When a supersaturated solution is disturbed,

Accepted Answer

A)  it may solidify. 
B)  it may boil. 
C)  some of its solute may crystallize out of solution. 
D)  a precipitate may form. 
A)  it may solidify. 
B)  it may boil. 
C)  some of its solute may crystallize out of solution. 
D)  a precipitate may form.

Question 15

Pure water has a pH of

Accepted Answer

A)  0. 
B)  1. 
C)  7. 
D)  10. 
A)  0. 
B)  1. 
C)  7. 
D)  10.

Question 16

The chief use of freshwater in the world is in

Accepted Answer

A)  agriculture. 
B)  industry. 
C)  mining. 
D)  domestic applications. 
A)  agriculture. 
B)  industry. 
C)  mining. 
D)  domestic applications.

Question 17

An example of an ionic solid is

Accepted Answer

A)  ice. 
B)  diamond. 
C)  table salt. 
D)  tin. 
A)  ice. 
B)  diamond. 
C)  table salt. 
D)  tin.

Question 18

Reverse osmosis

Accepted Answer

A)  is used to replenish the oxygen content of bodies of water. 
B)  causes dead zones off the mouths of rivers. 
C)  is used to soften hard water. 
D)  is used to desalinate salt water. 
A)  is used to replenish the oxygen content of bodies of water. 
B)  causes dead zones off the mouths of rivers. 
C)  is used to soften hard water. 
D)  is used to desalinate salt water.

Question 19

The weakest bonds are

Accepted Answer

A)  ionic. 
B)  covalent. 
C)  metallic. 
D)  van der Waals. 
A)  ionic. 
B)  covalent. 
C)  metallic. 
D)  van der Waals.

Question 20

The symbol of the hydroxide ion is

Accepted Answer

A)  H3O-. 
B)  H3O+. 
C)  OH-. 
D)  OH+. 
A)  H3O-. 
B)  H3O+. 
C)  OH-. 
D)  OH+.

The individual particles in a molecular solid are held together as a result of

Which solids are the best electrical conductors?

Which of the following would you expect to be a strong electrolyte in solution?

The individual particles in a covalent solid are held together as a result of

Which solids are the best heat conductors?

The chief ions in seawater are

The strongest bonds are

The symbol of the hydronium ion is

The individual particles in an ionic solid are held together as a result of

A solution of ammonia, NH₃, in water is

Ionic crystals dissolve only in liquids that are

The fundamental reaction of neutralization is

A saturated solution contains

When a supersaturated solution is disturbed,

Pure water has a pH of

The chief use of freshwater in the world is in

An example of an ionic solid is

Reverse osmosis

The weakest bonds are

The symbol of the hydroxide ion is

The Scientific Method

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Energy

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Exam 11: Crystals, Ions, and Solutions

The individual particles in a molecular solid are held together as a result of

Which solids are the best electrical conductors?

Which of the following would you expect to be a strong electrolyte in solution?

The individual particles in a covalent solid are held together as a result of

Which solids are the best heat conductors?

The chief ions in seawater are

The strongest bonds are

The symbol of the hydronium ion is

The individual particles in an ionic solid are held together as a result of

A solution of ammonia, NH3, in water is

Ionic crystals dissolve only in liquids that are

The fundamental reaction of neutralization is

A saturated solution contains

When a supersaturated solution is disturbed,

Pure water has a pH of

The chief use of freshwater in the world is in

An example of an ionic solid is

Reverse osmosis

The weakest bonds are

The symbol of the hydroxide ion is

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters

A solution of ammonia, NH₃, in water is