Question 1

The correct name for HBrO4 is __________.

Accepted Answer

A) hydrobromic acid 
B) perbromic acid 
C) bromic acid 
D) bromous acid 
E) hydrobromous acid 
A) hydrobromic acid 
B) perbromic acid 
C) bromic acid 
D) bromous acid 
E) hydrobromous acid

Question 2

Copper and chlorine form an ionic compound whose formula is CuCl2. The name of this compound is __________.

Accepted Answer

A) copper chlorine 
B) copper (III)dichloride 
C) monocopper dichloride 
D) copper (II)dichloride 
E) cupric chloride 
A) copper chlorine 
B) copper (III)dichloride 
C) monocopper dichloride 
D) copper (II)dichloride 
E) cupric chloride

Question 3

An unknown element is found to have three naturally occurring isotopes with atomic masses of 35.9675 (0.337%), 37.9627 (0.063%), and 39.9624 (99.600%). Which of the following is the unknown element?

Accepted Answer

A) Ar 
B) K 
C) Cl 
D) Ca 
E) None of the above could be the unknown element. 
A) Ar 
B) K 
C) Cl 
D) Ca 
E) None of the above could be the unknown element.

Question 4

Elements in Group 1A are known as the __________.

Accepted Answer

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

Question 5

The element X has three naturally occurring isotopes. The isotopic masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is __________ amu.

Accepted Answer

A) 161.75 
B) 162.03 
C) 162.35 
D) 163.15 
E) 33.33 
A) 161.75 
B) 162.03 
C) 162.35 
D) 163.15 
E) 33.33

Question 6

Which one of the following is the formula of hydrochloric acid?

Accepted Answer

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

Question 7

An atom of 118Xe contains __________ neutrons.

Accepted Answer

A) 54 
B) 172 
C) 64 
D) 110 
E) 118 
A) 54 
B) 172 
C) 64 
D) 110 
E) 118

Question 8

Elements in the same group of the periodic table typically have __________.

Accepted Answer

A) similar mass numbers 
B) similar physical properties only 
C) similar chemical properties only 
D) similar atomic masses 
E) similar physical and chemical properties 
A) similar mass numbers 
B) similar physical properties only 
C) similar chemical properties only 
D) similar atomic masses 
E) similar physical and chemical properties

Question 9

Gravitational forces act between objects in proportion to their __________.

Accepted Answer

A) volumes 
B) masses 
C) charges 
D) polarizability 
E) densities 
A) volumes 
B) masses 
C) charges 
D) polarizability 
E) densities

Question 10

The correct name for MgF2 is __________.

Accepted Answer

A) monomagnesium difluoride 
B) magnesium difluoride 
C) manganese difluoride 
D) manganese bifluoride 
E) magnesium fluoride 
A) monomagnesium difluoride 
B) magnesium difluoride 
C) manganese difluoride 
D) manganese bifluoride 
E) magnesium fluoride

Question 11

Which isotope has 36 electrons in an atom?

Accepted Answer

A)    Kr 
B)    Br 
C)    Se 
D)    Cl 
E)    Hg 
A)    Kr 
B)    Br 
C)    Se 
D)    Cl 
E)    Hg

Question 12

The formula for chromium (II)iodide is CrI2.

Accepted Answer

A) True 
 B)False

Question 13

When calcium reacts with sulfur the compound formed is __________.

Accepted Answer

A) Ca2S2 
B) Ca3S2 
C) CaS2 
D) CaS2 
E) Ca2S3 
A) Ca2S2 
B) Ca3S2 
C) CaS2 
D) CaS2 
E) Ca2S3

Question 14

The nucleus of an atom contains __________.

Accepted Answer

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

Question 15

The name of the ionic compound V2O3 is __________.

Accepted Answer

A) vanadium(III)oxide 
B) vanadium oxide 
C) vanadium(II)oxide 
D) vanadium(III)trioxide 
E) divanadium trioxide 
A) vanadium(III)oxide 
B) vanadium oxide 
C) vanadium(II)oxide 
D) vanadium(III)trioxide 
E) divanadium trioxide

Question 16

The name of PCl3 is __________.

Accepted Answer

A) potassium chloride 
B) phosphorus trichloride 
C) phosphorous(III)chloride 
D) monophosphorous trichloride 
E) trichloro potassium 
A) potassium chloride 
B) phosphorus trichloride 
C) phosphorous(III)chloride 
D) monophosphorous trichloride 
E) trichloro potassium

Question 17

Silver has two naturally occurring isotopes with the following isotopic masses:   Ar   Ar 106.90509 108.9047
The average atomic mass of silver is 107.8682 amu. The fractional abundance of the lighter of the two isotopes is __________.

Accepted Answer

A) 0.24221 
B) 0.48168 
C) 0.51835 
D) 0.75783 
E) 0.90474 
A) 0.24221 
B) 0.48168 
C) 0.51835 
D) 0.75783 
E) 0.90474

Question 18

Vertical columns of the periodic table are known as __________.

Accepted Answer

A) metals 
B) periods 
C) nonmetals 
D) groups 
E) metalloids 
A) metals 
B) periods 
C) nonmetals 
D) groups 
E) metalloids

Question 19

The mass number of an atom of 128Xe is __________.

Accepted Answer

A) 54 
B) 182 
C) 74 
D) 128 
E) 120 
A) 54 
B) 182 
C) 74 
D) 128 
E) 120

Question 20

H2SeO4 is called selenic acid.

Accepted Answer

A) True 
 B)False

Exam 2: Atoms, Molecules, and Ions

The correct name for HBrO4 is __________.

Copper and chlorine form an ionic compound whose formula is CuCl2. The name of this compound is __________.

An unknown element is found to have three naturally occurring isotopes with atomic masses of 35.9675 (0.337%), 37.9627 (0.063%), and 39.9624 (99.600%). Which of the following is the unknown element?

Elements in Group 1A are known as the __________.

The element X has three naturally occurring isotopes. The isotopic masses (amu)and % abundances of the isotopes are given in the table below. The average atomic mass of the element is __________ amu.

Which one of the following is the formula of hydrochloric acid?

An atom of 118Xe contains __________ neutrons.

Elements in the same group of the periodic table typically have __________.

Gravitational forces act between objects in proportion to their __________.

The correct name for MgF2 is __________.

Which isotope has 36 electrons in an atom?

The formula for chromium (II)iodide is CrI2.

When calcium reacts with sulfur the compound formed is __________.

The nucleus of an atom contains __________.

The name of the ionic compound V2O3 is __________.

The name of PCl3 is __________.

Silver has two naturally occurring isotopes with the following isotopic masses: Ar Ar 106.90509 108.9047 The average atomic mass of silver is 107.8682 amu. The fractional abundance of the lighter of the two isotopes is __________.

Vertical columns of the periodic table are known as __________.

The mass number of an atom of 128Xe is __________.

H2SeO4 is called selenic acid.

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 HBrO₄ is __________.

Copper and chlorine form an ionic compound whose formula is CuCl₂. The name of this compound is __________.

An atom of ¹¹⁸Xe contains __________ neutrons.

The correct name for MgF₂ is __________.

The formula for chromium (II)iodide is CrI₂.

The name of the ionic compound V₂O₃ is __________.

The name of PCl₃ is __________.

The mass number of an atom of ¹²⁸Xe is __________.

H₂SeO₄ is called selenic acid.