Question 1

The correct name for Al2O3 is _ .

Accepted Answer

A)  dialuminum oxide 
B)  aluminum hydroxide 
C)  aluminum oxide 
D)  aluminum trioxide 
E)  dialuminum trioxide 
A)  dialuminum oxide 
B)  aluminum hydroxide 
C)  aluminum oxide 
D)  aluminum trioxide 
E)  dialuminum trioxide

Question 2

What is the formula for perchloric acid?

Accepted Answer

A)  HClO2  
B)  HClO3  
C)  HClO 
D)  HCl 
E)  HClO4 
A)  HClO2  
B)  HClO3  
C)  HClO 
D)  HCl 
E)  HClO4

Question 3

The correct name for K2S is .

Accepted Answer

A)  potassium sulfate 
B)  dipotassium sulfate 
C)  potassium bisulfide 
D)  potassium disulfide 
E)  potassium sulfide 
A)  potassium sulfate 
B)  dipotassium sulfate 
C)  potassium bisulfide 
D)  potassium disulfide 
E)  potassium sulfide

Question 4

The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of .

Accepted Answer

A)  helium 
B)  sodium 
C)  carbon 
D)  hydrogen 
E)  oxygen 
A)  helium 
B)  sodium 
C)  carbon 
D)  hydrogen 
E)  oxygen

Question 5

Which metal does not require to have its charge specified in the names of ionic compounds it forms?

Accepted Answer

A)  Ca 
B)  Cu 
C)  Fe 
D)  Pb 
E)  Mn 
A)  Ca 
B)  Cu 
C)  Fe 
D)  Pb 
E)  Mn

Question 6

Fluorine forms an ion with a charge of _.

Accepted Answer

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

Question 7

Predict the charge of the most stable ion of potassium.

Accepted Answer

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

Question 8

The gold foil experiment performed in Rutherford's lab .

Accepted Answer

A)  utilized the deflection of beta particles by gold foil 
B)  led to the discovery of the atomic nucleus 
C)  proved the law of multiple proportions 
D)  confirmed the plum- pudding model of the atom 
E)  was the basis for Thompson's model of the atom 
A)  utilized the deflection of beta particles by gold foil 
B)  led to the discovery of the atomic nucleus 
C)  proved the law of multiple proportions 
D)  confirmed the plum- pudding model of the atom 
E)  was the basis for Thompson's model of the atom

Question 9

The correct formula of iron(III) bromide is _ _.

Accepted Answer

A)  Fe3Br3  
B)  FeBr3  
C)  Fe3Br 
D)  FeBr 
E)  FeBr2 
A)  Fe3Br3  
B)  FeBr3  
C)  Fe3Br 
D)  FeBr 
E)  FeBr2

Question 10

The element is the most similar to strontium in chemical and physical properties.

Accepted Answer

A)  Li 
B)  Cs 
C)  At 
D)  Ba 
E)  Rb 
A)  Li 
B)  Cs 
C)  At 
D)  Ba 
E)  Rb

Question 11

Elements in Group 6A are known as the _ _.

Accepted Answer

A)  halogens 
B)  alkali metals 
C)  noble gases 
D)  chalcogens 
E)  alkaline earth metals 
A)  halogens 
B)  alkali metals 
C)  noble gases 
D)  chalcogens 
E)  alkaline earth metals

Question 12

The nucleus of an atom contains _ .

Accepted Answer

A)  protons 
B)  protons and neutrons 
C)  electrons 
D)  protons, neutrons, and electrons 
E)  protons and electrons 
A)  protons 
B)  protons and neutrons 
C)  electrons 
D)  protons, neutrons, and electrons 
E)  protons and electrons

Question 13

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

Accepted Answer

A)  C, N 
B)  K, Ca 
C)  H, He 
D)  Si, P 
E)  O, S 
A)  C, N 
B)  K, Ca 
C)  H, He 
D)  Si, P 
E)  O, S

Question 14

The atomic number of an atom of 80Br is _ .

Accepted Answer

A)  35 
B)  73 
C)  115 
D)  80 
E)  45 
A)  35 
B)  73 
C)  115 
D)  80 
E)  45

Question 15

The formula of a salt is XCl2. The X- ion in this salt has 28 electrons. The metal X is _ .

Accepted Answer

A)  V 
B)  Pd 
C)  Fe 
D)  Zn 
E)  Ni 
A)  V 
B)  Pd 
C)  Fe 
D)  Zn 
E)  Ni

Question 16

There are protons, neutrons, and electrons in 131I- .

Accepted Answer

A)  131, 53, and 54 
B)  78, 53, and 72 
C)  131, 53, and 52 
D)  53, 78, and 54 
E)  53, 131, and 52 
A)  131, 53, and 54 
B)  78, 53, and 72 
C)  131, 53, and 52 
D)  53, 78, and 54 
E)  53, 131, and 52

Question 17

In the symbol shown below, x =

Accepted Answer

A)  13 
B)  7 
C)  6 
D)  12 
E)  not enough information to determine 
A)  13 
B)  7 
C)  6 
D)  12 
E)  not enough information to determine

Question 18

The elements in groups 1A, 6A, and 7A are called, , respectively.

Accepted Answer

A)  alkali metals, chalcogens, and halogens 
B)  alkaline earth metals, transition metals, and halogens 
C)  alkaline earth metals, halogens, and chalcogens 
D)  halogens, transition metals, and alkali metals 
E)  alkali metals, halogens, and noble gases 
A)  alkali metals, chalcogens, and halogens 
B)  alkaline earth metals, transition metals, and halogens 
C)  alkaline earth metals, halogens, and chalcogens 
D)  halogens, transition metals, and alkali metals 
E)  alkali metals, halogens, and noble gases

Question 19

Oxygen forms an ion with a charge of .

Accepted Answer

A)  +6 
B)  - 2 
C)  +3 
D)  +2 
E)  - 3 
A)  +6 
B)  - 2 
C)  +3 
D)  +2 
E)  - 3

Question 20

Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is .

Accepted Answer

A)  chromic trichloride 
B)  monochromium trichloride 
C)  chromium chlorine 
D)  chromium(III) trichloride 
E)  chromium(III) chloride 
A)  chromic trichloride 
B)  monochromium trichloride 
C)  chromium chlorine 
D)  chromium(III) trichloride 
E)  chromium(III) chloride

Exam 2: Atoms, Molecules, and Ions

The correct name for Al2O3 is _ .

What is the formula for perchloric acid?

The correct name for K2S is .

The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of .

Which metal does not require to have its charge specified in the names of ionic compounds it forms?

Fluorine forms an ion with a charge of _.

Predict the charge of the most stable ion of potassium.

The gold foil experiment performed in Rutherford's lab .

The correct formula of iron(III) bromide is _ _.

The element is the most similar to strontium in chemical and physical properties.

Elements in Group 6A are known as the _ _.

The nucleus of an atom contains _ .

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

The atomic number of an atom of 80Br is _ .

The formula of a salt is XCl2. The X- ion in this salt has 28 electrons. The metal X is _ .

There are protons, neutrons, and electrons in 131I- .

In the symbol shown below, x =

The elements in groups 1A, 6A, and 7A are called, , respectively.

Oxygen forms an ion with a charge of .

Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is .

Introduction: Matter and Measurement

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The correct name for Al₂O₃is _ .

The correct name for K₂S is .

The atomic number of an atom of ⁸⁰Br is _ .

The formula of a salt is XCl₂. The X- ion in this salt has 28 electrons. The metal X is _ .

There are protons, neutrons, and electrons in ¹³¹I^-.

Chromium and chlorine form an ionic compound whose formula is CrCl₃. The name of this compound is .