Question 1

Cathode rays are deflected away from a negatively charged plate because .

Accepted Answer

A)  they are positively charged particles 
B)  they are neutral particles 
C)  they are emitted by all matter 
D)  they are not particles 
E)  they are negatively charged particles 
A)  they are positively charged particles 
B)  they are neutral particles 
C)  they are emitted by all matter 
D)  they are not particles 
E)  they are negatively charged particles

Question 2

Of the following, only is not a metalloid.

Accepted Answer

A)  Si 
B)  As 
C)  B 
D)  Ge 
E)  Al 
A)  Si 
B)  As 
C)  B 
D)  Ge 
E)  Al

Question 3

The correct name of the compound Na3N is .

Accepted Answer

A)  sodium azide 
B)  sodium(IX) nitride 
C)  trisodium nitride 
D)  sodium nitride 
E)  sodium trinitride 
A)  sodium azide 
B)  sodium(IX) nitride 
C)  trisodium nitride 
D)  sodium nitride 
E)  sodium trinitride

Question 4

Different isotopes of a particular element contain the same number of .

Accepted Answer

A)  neutrons 
B)  subatomic particles 
C)  protons and neutrons 
D)  protons, neutrons, and electrons 
E)  protons 
A)  neutrons 
B)  subatomic particles 
C)  protons and neutrons 
D)  protons, neutrons, and electrons 
E)  protons

Question 5

Elements exhibit similar physical and chemical properties.

Accepted Answer

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

Question 6

How many protons does the Br- ion possess?

Accepted Answer

A)  36 
B)  35 
C)  8 
D)  34 
E)  6 
A)  36 
B)  35 
C)  8 
D)  34 
E)  6

Question 7

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 8

The charge on the ion is - 3.

Accepted Answer

A)  acetate 
B)  sulfate 
C)  nitride 
D)  oxide 
E)  permanganate 
A)  acetate 
B)  sulfate 
C)  nitride 
D)  oxide 
E)  permanganate

Question 9

In the periodic table, the rows are called and the columns are called .

Accepted Answer

A)  octaves, groups 
B)  staffs, families 
C)  periods, groups 
D)  rows, groups 
E)  cogeners, families 
A)  octaves, groups 
B)  staffs, families 
C)  periods, groups 
D)  rows, groups 
E)  cogeners, families

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

The molecular formula of a compound is always the empirical formula.

Accepted Answer

A)  more complex than 
B)  different from 
C)  simpler than 
D)  the same as 
E)  an integral multiple of 
A)  more complex than 
B)  different from 
C)  simpler than 
D)  the same as 
E)  an integral multiple of

Question 13

The correct name for H2CO3 is _ .

Accepted Answer

A)  hydrocarbonate 
B)  carbohydrate 
C)  carbonic acid 
D)  carbohydric acid 
E)  carbonous acid 
A)  hydrocarbonate 
B)  carbohydrate 
C)  carbonic acid 
D)  carbohydric acid 
E)  carbonous acid

Question 14

Magnesium and sulfur form an ionic compound with the formula .

Accepted Answer

A)  MgS2  
B)  Mg2S 
C)  MgS 
D)  Mg2S3  
E)  Mg2S2 
A)  MgS2  
B)  Mg2S 
C)  MgS 
D)  Mg2S3  
E)  Mg2S2

Question 15

The name of the binary compound N2O4 is _ .

Accepted Answer

A)  nitrous oxide 
B)  nitrogen(III) oxide 
C)  oxygen nitride 
D)  dinitrogen tetroxide 
E)  nitrogen oxide 
A)  nitrous oxide 
B)  nitrogen(III) oxide 
C)  oxygen nitride 
D)  dinitrogen tetroxide 
E)  nitrogen oxide

Question 16

The correct name for N2O5 is _ .

Accepted Answer

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

Question 17

In the symbol below, x is .

Accepted Answer

A)  the isotope number 
B)  the mass number 
C)  the atomic number 
D)  the elemental symbol 
E)  the number of neutrons 
A)  the isotope number 
B)  the mass number 
C)  the atomic number 
D)  the elemental symbol 
E)  the number of neutrons

Question 18

Which metal does not form cations of differing charges?

Accepted Answer

A)  Fe 
B)  Cu 
C)  Sn 
D)  Co 
E)  Na 
A)  Fe 
B)  Cu 
C)  Sn 
D)  Co 
E)  Na

Question 19

Which isotope has 45 neutrons?

Accepted Answer

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

Question 20

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

Accepted Answer

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

Exam 2: Atoms, Molecules, and Ions

Cathode rays are deflected away from a negatively charged plate because .

Of the following, only is not a metalloid.

The correct name of the compound Na3N is .

Different isotopes of a particular element contain the same number of .

Elements exhibit similar physical and chemical properties.

How many protons does the Br- ion possess?

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

The charge on the ion is - 3.

In the periodic table, the rows are called and the columns are called .

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

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

The molecular formula of a compound is always the empirical formula.

The correct name for H2CO3 is _ .

Magnesium and sulfur form an ionic compound with the formula .

The name of the binary compound N2O4 is _ .

The correct name for N2O5 is _ .

In the symbol below, x is .

Which metal does not form cations of differing charges?

Which isotope has 45 neutrons?

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

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 correct name of the compound Na₃N is .

How many protons does the Br^-ion possess?

The correct name for H₂CO₃is _ .

The name of the binary compound N₂O₄is _ .

The correct name for N₂O₅is _ .