Question 1

87 pm is the same as ________ Angstroms.

Accepted Answer

A) 870 
B) 8.7 
C) 87 
D) .87 
E) .087 
A) 870 
B) 8.7 
C) 87 
D) .87 
E) .087

Question 2

The correct name for HBrO2 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 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

A molecular formula always indicates ________.

Accepted Answer

A) how many of each atom are in a molecule 
B) the simplest whole-number ratio of different atoms in a compound 
C) which atoms are attached to which in a molecule 
D) the isotope of each element in a compound 
E) the geometry of a molecule 
A) how many of each atom are in a molecule 
B) the simplest whole-number ratio of different atoms in a compound 
C) which atoms are attached to which in a molecule 
D) the isotope of each element in a compound 
E) the geometry of a molecule

Question 5

Which combination of protons, neutrons, and electrons is correct for the isotope of copper,   Cu

Accepted Answer

A) 29 p+, 34 n°, 29 e- 
B) 29 p+, 29 n°, 63 e- 
C) 63 p+, 29 n°, 63 e- 
D) 34 p+, 29 n°, 34 e- 
E) 34 p+, 34 n°, 29 e- 
A) 29 p+, 34 n°, 29 e- 
B) 29 p+, 29 n°, 63 e- 
C) 63 p+, 29 n°, 63 e- 
D) 34 p+, 29 n°, 34 e- 
E) 34 p+, 34 n°, 29 e-

Question 6

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 7

Which species below is the nitride ion?

Accepted Answer

A) Na+ 
B) NO3- 
C) NO2- 
D) NH4+ 
E) N3- 
A) Na+ 
B) NO3- 
C) NO2- 
D) NH4+ 
E) N3-

Question 8

The correct name for Na3N is sodium azide.

Accepted Answer

A) True 
 B)False

Question 9

Which element forms an ion with the same charge as the sulfate ion?

Accepted Answer

A) magnesium 
B) sodium 
C) fluorine 
D) vanadium 
E) sulfur 
A) magnesium 
B) sodium 
C) fluorine 
D) vanadium 
E) sulfur

Question 10

Of the three types of radioactivity characterized by Rutherford, which is/are electrically charged?

Accepted Answer

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

Question 11

How many electrons does the As3- ion possess?

Accepted Answer

A) 30 
B) 36 
C) 2 
D) 8 
E) 33 
A) 30 
B) 36 
C) 2 
D) 8 
E) 33

Question 12

An element that appears in the lower left corner of the periodic table is ________.

Accepted Answer

A) either a metal or metalloid 
B) definitely a metal 
C) either a metalloid or a nonmetal 
D) definitely a nonmetal 
E) definitely a metalloid 
A) either a metal or metalloid 
B) definitely a metal 
C) either a metalloid or a nonmetal 
D) definitely a nonmetal 
E) definitely a metalloid

Question 13

The formula of the carbonate ion is ________.

Accepted Answer

A) CO22- 
B) CO32- 
C) CO33- 
D) CO2- 
E) CO- 
A) CO22- 
B) CO32- 
C) CO33- 
D) CO2- 
E) CO-

Question 14

There are ________ electrons, ________ protons, and ________ neutrons in an atom of   Xe.

Accepted Answer

A) 132, 132, 54 
B) 54, 54, 132 
C) 78, 78, 54 
D) 54, 54, 78 
E) 78, 78, 132 
A) 132, 132, 54 
B) 54, 54, 132 
C) 78, 78, 54 
D) 54, 54, 78 
E) 78, 78, 132

Question 15

Which species below is the sulfate ion?

Accepted Answer

A) CN- 
B) SO42- 
C) OH- 
D) SO32- 
E) None of the above 
A) CN- 
B) SO42- 
C) OH- 
D) SO32- 
E) None of the above

Question 16

Elements ________ exhibit similar physical and chemical properties.

Accepted Answer

A) with similar chemical symbols 
B) with similar atomic masses 
C) in the same period of the periodic table 
D) on opposite sides of the periodic table 
E) in the same group of the periodic table 
A) with similar chemical symbols 
B) with similar atomic masses 
C) in the same period of the periodic table 
D) on opposite sides of the periodic table 
E) in the same group of the periodic table

Question 17

Which species below is the chromate ion?

Accepted Answer

A) Cr2O72- 
B) CrO42- 
C) CH3COO- 
D) CO32- 
E) None of the above 
A) Cr2O72- 
B) CrO42- 
C) CH3COO- 
D) CO32- 
E) None of the above

Question 18

Which element forms an ion with the same charge as the ammonium ion?

Accepted Answer

A) potassium 
B) chlorine 
C) calcium 
D) oxygen 
E) nitrogen 
A) potassium 
B) chlorine 
C) calcium 
D) oxygen 
E) nitrogen

Question 19

When a metal and a nonmetal react, the ________ tends to lose electrons and the ________ tends to gain electrons.

Accepted Answer

A) metal, metal 
B) nonmetal, nonmetal 
C) metal, nonmetal 
D) nonmetal, metal 
E) None of the above; these elements share electrons. 
A) metal, metal 
B) nonmetal, nonmetal 
C) metal, nonmetal 
D) nonmetal, metal 
E) None of the above; these elements share electrons.

Question 20

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

Exam 2: Atoms, Molecules, and Ions

87 pm is the same as ________ Angstroms.

The correct name for HBrO2 is ________.

Which species is an isotope of 39Cl?

A molecular formula always indicates ________.

Which combination of protons, neutrons, and electrons is correct for the isotope of copper, Cu

Elements in Group 7A are known as the ________.

Which species below is the nitride ion?

The correct name for Na3N is sodium azide.

Which element forms an ion with the same charge as the sulfate ion?

Of the three types of radioactivity characterized by Rutherford, which is/are electrically charged?

How many electrons does the As3- ion possess?

An element that appears in the lower left corner of the periodic table is ________.

The formula of the carbonate ion is ________.

There are ________ electrons, ________ protons, and ________ neutrons in an atom of Xe.

Which species below is the sulfate ion?

Elements ________ exhibit similar physical and chemical properties.

Which species below is the chromate ion?

Which element forms an ion with the same charge as the ammonium ion?

When a metal and a nonmetal react, the ________ tends to lose electrons and the ________ tends to gain electrons.

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

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 HBrO₂ is ________.

Which species is an isotope of ³⁹Cl?

The correct name for Na₃N is sodium azide.

How many electrons does the As^3- ion possess?

There are electrons, protons, and neutrons in an atom of Xe.

When a metal and a nonmetal react, the tends to lose electrons and the tends to gain electrons.