Question 1

Which one of the following compounds is chromium(III)oxide?

Accepted Answer

A) Cr2O3 
B) CrO3  
C) Cr3O2 
D) Cr3O 
E) Cr2O4 
A) Cr2O3 
B) CrO3  
C) Cr3O2 
D) Cr3O 
E) Cr2O4

Question 2

The correct name for SO is ________.

Accepted Answer

A) sulfur oxide 
B) sulfur monoxide 
C) sulfoxide 
D) sulfate 
E) sulfite 
A) sulfur oxide 
B) sulfur monoxide 
C) sulfoxide 
D) sulfate 
E) sulfite

Question 3

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

Accepted Answer

A) Cr 
B) Ni 
C) Zr 
D) Na 
E) Mo 
A) Cr 
B) Ni 
C) Zr 
D) Na 
E) Mo

Question 4

Which species below is the nitrate ion?

Accepted Answer

A) NO2- 
B) NO3- 
C) ClO3- 
D) ClO4- 
E) MnO4- 
A) NO2- 
B) NO3- 
C) ClO3- 
D) ClO4- 
E) MnO4-

Question 5

What group in the periodic table would the fictitious element :   : be found?

Accepted Answer

The answer of What group in the periodic table would...

Question 6

________-rays consist of fast-moving electrons.

Accepted Answer

A) Alpha 
B) Beta 
C) Gamma 
D) X 
E) none of the above 
A) Alpha 
B) Beta 
C) Gamma 
D) X 
E) none of the above

Question 7

Potassium is a ________ and chlorine is a ________.

Accepted Answer

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

Question 8

Which of the following compounds would you expect to be ionic?

Accepted Answer

A) H2O 
B) CO2 
C) SrCl2 
D) SO2 
E) H2S 
A) H2O 
B) CO2 
C) SrCl2 
D) SO2 
E) H2S

Question 9

What is the name of an alcohol derived from hexane?

Accepted Answer

The answer of What is the name of an alcohol...

Question 10

The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. One of the isotopes has an atomic weight of 62.9 amu and constitutes 69.1% of the copper isotopes. The other isotope has an abundance of 30.9%. The atomic weight (amu)of the second isotope is ________ amu.

Accepted Answer

A) 63.2 
B) 63.8 
C) 64.1 
D) 64.8 
E) 28.1 
A) 63.2 
B) 63.8 
C) 64.1 
D) 64.8 
E) 28.1

Question 11

In the Rutherford nuclear-atom model, ________.

Accepted Answer

A) the heavy subatomic particles, protons and neutrons, reside in the nucleus 
B) the three principal subatomic particles (protons, neutrons, and electrons)all have essentially the same mass 
C) the light subatomic particles, protons and neutrons, reside in the nucleus 
D) mass is spread essentially uniformly throughout the atom 
E) the three principal subatomic particles (protons, neutrons, and electrons)all have essentially the same mass and mass is spread essentially uniformly throughout the atom 
A) the heavy subatomic particles, protons and neutrons, reside in the nucleus 
B) the three principal subatomic particles (protons, neutrons, and electrons)all have essentially the same mass 
C) the light subatomic particles, protons and neutrons, reside in the nucleus 
D) mass is spread essentially uniformly throughout the atom 
E) the three principal subatomic particles (protons, neutrons, and electrons)all have essentially the same mass and mass is spread essentially uniformly throughout the atom

Question 12

Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

Accepted Answer

A) NaX 
B) Na2X 
C) Na2X2 
D) Na3X 
E) Na3X2 
A) NaX 
B) Na2X 
C) Na2X2 
D) Na3X 
E) Na3X2

Question 13

The name of the ionic compound NaBrO4 is ________.

Accepted Answer

A) sodium perbromate 
B) sodium bromate 
C) sodium hypobromate 
D) sodium perbromite 
E) sodium bromide 
A) sodium perbromate 
B) sodium bromate 
C) sodium hypobromate 
D) sodium perbromite 
E) sodium bromide

Question 14

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

Accepted Answer

A) As, Br 
B) Mg, Al 
C) I, At 
D) Br, Kr 
E) N,O 
A) As, Br 
B) Mg, Al 
C) I, At 
D) Br, Kr 
E) N,O

Question 15

A correct name for Fe(NO3)2 is ________.

Accepted Answer

A) iron nitrite 
B) ferrous nitrite 
C) ferrous nitrate 
D) ferric nitrite 
E) ferric nitrate 
A) iron nitrite 
B) ferrous nitrite 
C) ferrous nitrate 
D) ferric nitrite 
E) ferric nitrate

Question 16

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 17

The charge on the copper ion in the salt CuO is ________.

Accepted Answer

A) +1 
B) +2 
C) +4 
D) +3 
E) +5 
A) +1 
B) +2 
C) +4 
D) +3 
E) +5

Question 18

Isotopes are atoms that have the same ________ but differing ________.

Accepted Answer

A) atomic masses, charges 
B) mass numbers, atomic numbers 
C) atomic numbers, mass numbers 
D) charges, atomic masses 
E) mass numbers, charges 
A) atomic masses, charges 
B) mass numbers, atomic numbers 
C) atomic numbers, mass numbers 
D) charges, atomic masses 
E) mass numbers, charges

Question 19

An empirical formula always indicates ________.

Accepted Answer

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

Question 20

Which type of formula provides the most information about a compound?

Accepted Answer

A) empirical 
B) molecular 
C) simplest 
D) structural 
E) chemical 
A) empirical 
B) molecular 
C) simplest 
D) structural 
E) chemical

Exam 2: Atoms, Molecules, and Ions

Which one of the following compounds is chromium(III)oxide?

The correct name for SO is ________.

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

Which species below is the nitrate ion?

What group in the periodic table would the fictitious element : : be found?

________-rays consist of fast-moving electrons.

Potassium is a ________ and chlorine is a ________.

Which of the following compounds would you expect to be ionic?

What is the name of an alcohol derived from hexane?

The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. One of the isotopes has an atomic weight of 62.9 amu and constitutes 69.1% of the copper isotopes. The other isotope has an abundance of 30.9%. The atomic weight (amu)of the second isotope is ________ amu.

In the Rutherford nuclear-atom model, ________.

Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

The name of the ionic compound NaBrO4 is ________.

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

A correct name for Fe(NO3)2 is ________.

An atom of 118Xe contains ________ neutrons.

The charge on the copper ion in the salt CuO is ________.

Isotopes are atoms that have the same ________ but differing ________.

An empirical formula always indicates ________.

Which type of formula provides the most information about a compound?

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

Potassium is a and chlorine is a .

Barium reacts with a polyatomic ion to form a compound with the general formula Ba₃(X)₂. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

The name of the ionic compound NaBrO₄ is ________.

A correct name for Fe(NO₃)₂ is ________.

An atom of ¹¹⁸Xe contains ________ neutrons.

Isotopes are atoms that have the same but differing .