Question 1

Predict the charge of the most stable ion of potassium.

Accepted Answer

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

Question 2

The correct name for CCl4 is __________.

Accepted Answer

A) carbon chloride 
B) carbon tetrachlorate 
C) carbon perchlorate 
D) carbon tetrachloride 
E) carbon chlorate 
A) carbon chloride 
B) carbon tetrachlorate 
C) carbon perchlorate 
D) carbon tetrachloride 
E) carbon chlorate

Question 3

Which species is an isotope of 39Cl?

Accepted Answer

A) "40Ar+" 
B) "34S2-" 
C) "36Cl-" 
D) "80Br" 
E) "39Ar" 
A) "40Ar+" 
B) "34S2-" 
C) "36Cl-" 
D) "80Br" 
E) "39Ar"

Question 4

Lithium is a __________ and magnesium is a __________.

Accepted Answer

A) nonmetal, metal 
B) nonmetal, nonmetal 
C) metal, metal 
D) metal, metalloid 
E) metalloid, metalloid 
A) nonmetal, metal 
B) nonmetal, nonmetal 
C) metal, metal 
D) metal, metalloid 
E) metalloid, metalloid

Question 5

The formula of ammonium carbonate is __________.

Accepted Answer

A) (NH4)2CO3 
B) N H4CO2 
C) (NH3)2CO4 
D) (NH3)2CO3 
E) N2(CO3)3 
A) (NH4)2CO3 
B) N H4CO2 
C) (NH3)2CO4 
D) (NH3)2CO3 
E) N2(CO3)3

Question 6

Which compounds do not have the same empirical formula?

Accepted Answer

A) C2H2, C6H6 
B) CO, CO2 
C) C2H4, C3H6 
D) C2H4O2, C6H12O6 
E) C2H5COOOCH3, CH3CHO 
A) C2H2, C6H6 
B) CO, CO2 
C) C2H4, C3H6 
D) C2H4O2, C6H12O6 
E) C2H5COOOCH3, CH3CHO

Question 7

Sulfur forms an ion with a charge of __________.

Accepted Answer

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

Question 8

Oxygen forms an ion with a charge of __________.

Accepted Answer

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

Question 9

Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al2X3. Element X must be from Group __________ of the Periodic Table of Elements.

Accepted Answer

A) 3A 
B) 4A 
C) 5A 
D) 6A 
E) 7A 
A) 3A 
B) 4A 
C) 5A 
D) 6A 
E) 7A

Question 10

In the symbol below, x = __________.   C

Accepted Answer

A) 19 
B) 13 
C) 6 
D) 7 
E) not enough information to determine 
A) 19 
B) 13 
C) 6 
D) 7 
E) not enough information to determine

Question 11

What is the molecular formula for octane?

Accepted Answer

A) C4H10 
B) C5H10 
C) C6H14 
D) C14H28 
E) C8H18 
A) C4H10 
B) C5H10 
C) C6H14 
D) C14H28 
E) C8H18

Question 12

__________ typically form ions with a 2+ charge.

Accepted Answer

A) Alkaline earth metals 
B) Halogens 
C) Chalcogens 
D) Alkali metals 
E) Transition metals 
A) Alkaline earth metals 
B) Halogens 
C) Chalcogens 
D) Alkali metals 
E) Transition metals

Question 13

The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is __________.

Accepted Answer

A) Ag 
B) Pd 
C) Cd 
D) Cu 
E) Cs 
A) Ag 
B) Pd 
C) Cd 
D) Cu 
E) Cs

Question 14

Of the following, __________ contains the greatest number of electrons.

Accepted Answer

A) P3+ 
B) P 
C) P2- 
D) P3- 
E) P2+ 
A) P3+ 
B) P 
C) P2- 
D) P3- 
E) P2+

Question 15

Elements in Group 7A are known as the __________.

Accepted Answer

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

Question 16

Which metal forms cations of differing charges?

Accepted Answer

A) K 
B) Cs 
C) Ba 
D) Al 
E) Sn 
A) K 
B) Cs 
C) Ba 
D) Al 
E) Sn

Question 17

The correct name for HClO is __________.

Accepted Answer

A) hydrochloric acid 
B) perchloric acid 
C) chloric acid 
D) chlorous acid 
E) hypochlorous acid 
A) hydrochloric acid 
B) perchloric acid 
C) chloric acid 
D) chlorous acid 
E) hypochlorous acid

Question 18

__________ are found uncombined, as monatomic species in nature.

Accepted Answer

A) Noble gases 
B) Chalcogens 
C) Alkali metals 
D) Alkaline earth metals 
E) Halogens 
A) Noble gases 
B) Chalcogens 
C) Alkali metals 
D) Alkaline earth metals 
E) Halogens

Question 19

The formula for aluminum hydroxide is __________.

Accepted Answer

A) AlOH 
B) Al3OH 
C) Al2(OH)3 
D) Al(OH)3 
E) Al2O3 
A) AlOH 
B) Al3OH 
C) Al2(OH)3 
D) Al(OH)3 
E) Al2O3

Question 20

Of the three types of radioactivity characterized by Rutherford, which is/are not particles?

Accepted Answer

A) β-rays 
B) α-rays and β-rays 
C) α-rays 
D) γ-rays 
E) α-rays, β-rays, and γ-rays 
A) β-rays 
B) α-rays and β-rays 
C) α-rays 
D) γ-rays 
E) α-rays, β-rays, and γ-rays

Exam 2: Atoms, Molecules, and Ions

Predict the charge of the most stable ion of potassium.

The correct name for CCl4 is __________.

Which species is an isotope of 39Cl?

Lithium is a __________ and magnesium is a __________.

The formula of ammonium carbonate is __________.

Which compounds do not have the same empirical formula?

Sulfur forms an ion with a charge of __________.

Oxygen forms an ion with a charge of __________.

Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al2X3. Element X must be from Group __________ of the Periodic Table of Elements.

In the symbol below, x = __________. C

What is the molecular formula for octane?

__________ typically form ions with a 2+ charge.

The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is __________.

Of the following, __________ contains the greatest number of electrons.

Elements in Group 7A are known as the __________.

Which metal forms cations of differing charges?

The correct name for HClO is __________.

__________ are found uncombined, as monatomic species in nature.

The formula for aluminum hydroxide is __________.

Of the three types of radioactivity characterized by Rutherford, which is/are not particles?

Introduction: Matter and Measurement

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The correct name for CCl₄ is __________.

Which species is an isotope of ³⁹Cl?

Lithium is a and magnesium is a .

Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al₂X₃. Element X must be from Group __________ of the Periodic Table of Elements.