Question 1

There are __________ protons, __________ neutrons, and __________ electrons in 238U+5.

Accepted Answer

A) 146, 92, and 92 
B) 92, 146, and 87 
C) 92, 146, and 92 
D) 92, 92, and 87 
E) 146, 92, and 146 
A) 146, 92, and 92 
B) 92, 146, and 87 
C) 92, 146, and 92 
D) 92, 92, and 87 
E) 146, 92, and 146

Question 2

The correct name for HIO2 is __________.

Accepted Answer

A) hypoiodic acid 
B) hydriodic acid 
C) periodous acid 
D) iodous acid 
E) periodic acid 
A) hypoiodic acid 
B) hydriodic acid 
C) periodous acid 
D) iodous acid 
E) periodic acid

Question 3

Which isotope has 45 neutrons?

Accepted Answer

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

Question 4

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

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 5

The formula for zinc phosphate is Zn3(PO4)2. What is the formula for cadmium arsenate?

Accepted Answer

A) Cd4 (AsO2)3 
B) Cd3 (AsO4)2 
C) Cd3 (AsO3)4 
D) Cd2 (AsO4)3 
E) Cd2 (AsO4)4 
A) Cd4 (AsO2)3 
B) Cd3 (AsO4)2 
C) Cd3 (AsO3)4 
D) Cd2 (AsO4)3 
E) Cd2 (AsO4)4

Question 6

The formula of the chromate ion is __________.

Accepted Answer

A) CrO42- 
B) CrO23- 
C) CrO- 
D) CrO32- 
E) CrO2- 
A) CrO42- 
B) CrO23- 
C) CrO- 
D) CrO32- 
E) CrO2-

Question 7

The correct name for Na3N is sodium azide.

Accepted Answer

A) True 
 B)False

Question 8

Which one of the following molecular formulas is also an empirical formula?

Accepted Answer

A) C6H6O2 
B) C2H6SO 
C) H2O2 
D) H2P4O6 
E) C6H6 
A) C6H6O2 
B) C2H6SO 
C) H2O2 
D) H2P4O6 
E) C6H6

Question 9

Which one of the following does not occur as diatomic molecules in elemental form?

Accepted Answer

A) oxygen 
B) nitrogen 
C) sulfur 
D) hydrogen 
E) bromine 
A) oxygen 
B) nitrogen 
C) sulfur 
D) hydrogen 
E) bromine

Question 10

Which one of the following species has as many electrons as it has neutrons?

Accepted Answer

A) "1H" 
B) "40Ca2+" 
C) "14C" 
D) "19F-" 
E) "14C2+" 
A) "1H" 
B) "40Ca2+" 
C) "14C" 
D) "19F-" 
E) "14C2+"

Question 11

The elements in groups 1A, 6A, and 7A are called, __________, respectively.

Accepted Answer

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

Question 12

Cathode rays are __________.

Accepted Answer

A) neutrons 
B) x-rays 
C) electrons 
D) protons 
E) atoms 
A) neutrons 
B) x-rays 
C) electrons 
D) protons 
E) atoms

Question 13

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

Question 14

The suffix -ide is used primarily __________.

Accepted Answer

A) for monatomic anion names 
B) for polyatomic cation names 
C) for the name of the first element in a molecular compound 
D) to indicate binary acids 
E) for monoatomic cations 
A) for monatomic anion names 
B) for polyatomic cation names 
C) for the name of the first element in a molecular compound 
D) to indicate binary acids 
E) for monoatomic cations

Question 15

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 16

An element in the upper right corner of the periodic table __________.

Accepted Answer

A) is either a metal or metalloid 
B) is definitely a metal 
C) is either a metalloid or a non-metal 
D) is definitely a non-metal 
E) is definitely a metalloid 
A) is either a metal or metalloid 
B) is definitely a metal 
C) is either a metalloid or a non-metal 
D) is definitely a non-metal 
E) is definitely a metalloid

Question 17

__________-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 18

In the symbol below, X = __________.   X

Accepted Answer

A) N 
B) C 
C) Al 
D) K 
E) not enough information to determine 
A) N 
B) C 
C) Al 
D) K 
E) not enough information to determine

Question 19

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

Accepted Answer

A) O, S 
B) C, N 
C) K, Ca 
D) H, He 
E) Si, P 
A) O, S 
B) C, N 
C) K, Ca 
D) H, He 
E) Si, P

Question 20

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

Exam 2: Atoms, Molecules, and Ions

There are __________ protons, __________ neutrons, and __________ electrons in 238U+5.

The correct name for HIO2 is __________.

Which isotope has 45 neutrons?

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

The formula for zinc phosphate is Zn3(PO4)2. What is the formula for cadmium arsenate?

The formula of the chromate ion is __________.

The correct name for Na3N is sodium azide.

Which one of the following molecular formulas is also an empirical formula?

Which one of the following does not occur as diatomic molecules in elemental form?

Which one of the following species has as many electrons as it has neutrons?

The elements in groups 1A, 6A, and 7A are called, __________, respectively.

Cathode rays are __________.

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

The suffix -ide is used primarily __________.

The correct name for HBrO2 is __________.

An element in the upper right corner of the periodic table __________.

__________-rays consist of fast-moving electrons.

In the symbol below, X = __________. X

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

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.

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

There are protons, neutrons, and __ electrons in ²³⁸U⁺⁵.

The correct name for HIO₂ is __________.

The formula for zinc phosphate is Zn₃(PO₄)₂. What is the formula for cadmium arsenate?

The correct name for Na₃N is sodium azide.

The correct name for HBrO₂ is __________.