Question 1

The charge on the iron ion in the salt Fe2O3 is __________.

Accepted Answer

A) +1 
B) +2 
C) +3 
D) -5 
E) -6 
A) +1 
B) +2 
C) +3 
D) -5 
E) -6

Question 2

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

Accepted Answer

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

Question 3

The charge on an electron was determined in the __________.

Accepted Answer

A) cathode ray tube, by J. J. Thompson 
B) Rutherford gold foil experiment 
C) Millikan oil drop experiment 
D) Dalton atomic theory 
E) atomic theory of matter 
A) cathode ray tube, by J. J. Thompson 
B) Rutherford gold foil experiment 
C) Millikan oil drop experiment 
D) Dalton atomic theory 
E) atomic theory of matter

Question 4

The charge on the manganese in the salt MnF3 is __________.

Accepted Answer

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

Question 5

All atoms of a given element have the same __________.

Accepted Answer

A) mass 
B) number of protons 
C) number of neutrons 
D) number of electrons and neutrons 
E) density 
A) mass 
B) number of protons 
C) number of neutrons 
D) number of electrons and neutrons 
E) density

Question 6

The correct name for N2O5 is __________.

Accepted Answer

A) nitrous oxide 
B) nitrogen pentoxide 
C) dinitrogen pentoxide 
D) nitric oxide 
E) nitrogen oxide 
A) nitrous oxide 
B) nitrogen pentoxide 
C) dinitrogen pentoxide 
D) nitric oxide 
E) nitrogen oxide

Question 7

Which one of the following is not true concerning cathode rays?

Accepted Answer

A) They originate from the negative electrode. 
B) They travel in straight lines in the absence of electric or magnetic fields. 
C) They impart a negative charge to metals exposed to them. 
D) They are made up of electrons. 
E) The characteristics of cathode rays depend on the material from which they are emitted. 
A) They originate from the negative electrode. 
B) They travel in straight lines in the absence of electric or magnetic fields. 
C) They impart a negative charge to metals exposed to them. 
D) They are made up of electrons. 
E) The characteristics of cathode rays depend on the material from which they are emitted.

Question 8

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 9

The nucleus of an atom does not contain __________.

Accepted Answer

A) protons 
B) protons or neutrons 
C) neutrons 
D) subatomic particles 
E) electrons 
A) protons 
B) protons or neutrons 
C) neutrons 
D) subatomic particles 
E) electrons

Question 10

When a fluorine atom forms the fluoride ion, it has the same charge as the __________ ion.

Accepted Answer

A) sulfide 
B) ammonium 
C) nitrate 
D) phosphate 
E) sulfite 
A) sulfide 
B) ammonium 
C) nitrate 
D) phosphate 
E) sulfite

Question 11

An atom of 131Xe contains __________ electrons.

Accepted Answer

A) 131 
B) 185 
C) 77 
D) 123 
E) 54 
A) 131 
B) 185 
C) 77 
D) 123 
E) 54

Question 12

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

Accepted Answer

A) magnesium 
B) copper 
C) iron 
D) phosphorus 
E) oxygen 
A) magnesium 
B) copper 
C) iron 
D) phosphorus 
E) oxygen

Question 13

Elements in Group 2A are known as the __________.

Accepted Answer

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

Question 14

Predict the empirical formula of the ionic compound that forms from magnesium and fluorine.

Accepted Answer

A) Mg2F3 
B) MgF 
C) Mg2F 
D) Mg3F2 
E) MgF2 
A) Mg2F3 
B) MgF 
C) Mg2F 
D) Mg3F2 
E) MgF2

Question 15

The species __________ contains 16 neutrons.

Accepted Answer

A) "31P" 
B) "34S2-" 
C) "36Cl" 
D) "80Br-" 
E) "16O" 
A) "31P" 
B) "34S2-" 
C) "36Cl" 
D) "80Br-" 
E) "16O"

Question 16

Isotopes are atoms that have the same number of __________ but differing number of __________.

Accepted Answer

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

Question 17

Barium forms an ion with a charge of __________.

Accepted Answer

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

Question 18

What is the molecular formula for nonane?

Accepted Answer

A) C9H18 
B) C9H20 
C) C10H20 
D) C10H22 
E) C10H24 
A) C9H18 
B) C9H20 
C) C10H20 
D) C10H22 
E) C10H24

Question 19

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 20

Different isotopes of a particular element contain different numbers of __________.

Accepted Answer

A) protons 
B) neutrons 
C) protons and neutrons 
D) protons, neutrons, and electrons 
E) None of the above is correct. 
A) protons 
B) neutrons 
C) protons and neutrons 
D) protons, neutrons, and electrons 
E) None of the above is correct.

Exam 2: Atoms, Molecules, and Ions

The charge on the iron ion in the salt Fe2O3 is __________.

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

The charge on an electron was determined in the __________.

The charge on the manganese in the salt MnF3 is __________.

All atoms of a given element have the same __________.

The correct name for N2O5 is __________.

Which one of the following is not true concerning cathode rays?

Elements __________ exhibit similar physical and chemical properties.

The nucleus of an atom does not contain __________.

When a fluorine atom forms the fluoride ion, it has the same charge as the __________ ion.

An atom of 131Xe contains __________ electrons.

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

Elements in Group 2A are known as the __________.

Predict the empirical formula of the ionic compound that forms from magnesium and fluorine.

The species __________ contains 16 neutrons.

Isotopes are atoms that have the same number of __________ but differing number of __________.

Barium forms an ion with a charge of __________.

What is the molecular formula for nonane?

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

Different isotopes of a particular element contain different numbers of __________.

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 charge on the iron ion in the salt Fe₂O₃ is __________.

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

The charge on the manganese in the salt MnF₃ is __________.

The correct name for N₂O₅ is __________.

An atom of ¹³¹Xe contains __________ electrons.

Isotopes are atoms that have the same number of but differing number of .