Question 1

Which pair of atoms constitutes a pair of isotopes of the same element?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 2

The ions Ca2+ and PO43-  form a salt with the formula _.

Accepted Answer

A)  Ca2(PO4)3 
B)  Ca3(PO4)2 
C)  Ca(PO4)2 
D)  CaPO4 
E)  Ca2PO4 
A)  Ca2(PO4)3 
B)  Ca3(PO4)2 
C)  Ca(PO4)2 
D)  CaPO4 
E)  Ca2PO4

Question 3

Elements in Group 1A are known as the _ _.

Accepted Answer

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

Question 4

Horizontal rows of the periodic table are known as _.

Accepted Answer

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

Question 5

What is the molecular formula for n- hexanol ?

Accepted Answer

A)  C7H14OH 
B)  C6H12OH 
C)  C7H13OH 
D)  C6H13OH 
E)  C6H14OH 
A)  C7H14OH 
B)  C6H12OH 
C)  C7H13OH 
D)  C6H13OH 
E)  C6H14OH

Question 6

The formula for the compound formed between aluminum ions and phosphate ions is .

Accepted Answer

A)  AlPO4  
B)  Al(PO4)3  
C)  Al3(PO4)3  
D)  Al2(PO4)3  
E)  AlP 
A)  AlPO4  
B)  Al(PO4)3  
C)  Al3(PO4)3  
D)  Al2(PO4)3  
E)  AlP

Question 7

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

Accepted Answer

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

Question 8

The charge on an electron was determined in the .

Accepted Answer

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

Question 9

Which species below is the sulfite ion?

Accepted Answer

A)  H2S 
B)  S2-  
C)  SO2-  
D)  H2SO4  
E)  SO3- 
A)  H2S 
B)  S2-  
C)  SO2-  
D)  H2SO4  
E)  SO3-

Question 10

The correct name for Na3N is sodium azide.

Accepted Answer

A) True 
 B)False

Question 11

typically form ions with a 2+ charge.

Accepted Answer

A)  Halogens 
B)  Alkali metals 
C)  Alkaline earth metals 
D)  Chalcogens 
E)  Transition metals 
A)  Halogens 
B)  Alkali metals 
C)  Alkaline earth metals 
D)  Chalcogens 
E)  Transition metals

Question 12

Elements in Group 2A are known as the _ _.

Accepted Answer

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

Question 13

are found uncombined, as monatomic species in nature.

Accepted Answer

A)  Alkaline earth metals 
B)  Halogens 
C)  Noble gases 
D)  Alkali metals 
E)  Chalcogens 
A)  Alkaline earth metals 
B)  Halogens 
C)  Noble gases 
D)  Alkali metals 
E)  Chalcogens

Question 14

What is the name of an alcohol derived from hexane_ _ ?

Accepted Answer

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

Question 15

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

Question 16

What is the correct formula for ammonium sulfide?

Accepted Answer

A)  (NH4)2SO4 
B)  NH4SO3 
C)  (NH4)2S 
D)  N2S3 
E)  NH3S 
A)  (NH4)2SO4 
B)  NH4SO3 
C)  (NH4)2S 
D)  N2S3 
E)  NH3S

Question 17

An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is .

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 18

The correct name for Ni(CN)2 is _ .

Accepted Answer

A)  nickel cyanate 
B)  nickel (I) cyanide 
C)  nickel (II) cyanide 
D)  nickel carbonate 
E)  nickel (I) nitride 
A)  nickel cyanate 
B)  nickel (I) cyanide 
C)  nickel (II) cyanide 
D)  nickel carbonate 
E)  nickel (I) nitride

Question 19

Which one of the following polyatomic ions has the same charge as the hydroxide ion?

Accepted Answer

A)  carbonate 
B)  ammonium 
C)  phosphate 
D)  nitrate 
E)  sulfate 
A)  carbonate 
B)  ammonium 
C)  phosphate 
D)  nitrate 
E)  sulfate

Question 20

What is the molecular formula for nonane ?

Accepted Answer

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

Exam 2: Atoms, Molecules, and Ions

Which pair of atoms constitutes a pair of isotopes of the same element?

The ions Ca2+ and PO43- form a salt with the formula _.

Elements in Group 1A are known as the _ _.

Horizontal rows of the periodic table are known as _.

What is the molecular formula for n- hexanol ?

The formula for the compound formed between aluminum ions and phosphate ions is .

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

The charge on an electron was determined in the .

Which species below is the sulfite ion?

The correct name for Na3N is sodium azide.

typically form ions with a 2+ charge.

Elements in Group 2A are known as the _ _.

are found uncombined, as monatomic species in nature.

What is the name of an alcohol derived from hexane_ _ ?

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)

What is the correct formula for ammonium sulfide?

An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is .

The correct name for Ni(CN)2 is _ .

Which one of the following polyatomic ions has the same charge as the hydroxide ion?

What is the molecular formula for nonane ?

Introduction: Matter and Measurement

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The ions Ca²⁺and PO₄³^-form a salt with the formula _.

The correct name for Na₃N is sodium azide.

The correct name for Ni(CN)₂is _ .