Question 1

An element that appears in the lower left corner of the periodic table is .

Accepted Answer

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

Question 2

Which atom has the largest number of neutrons?

Accepted Answer

A)  calcium- 40 
B)  argon- 40 
C)  phosphorous- 30 
D)  chlorine- 37 
E)  potassium- 39 
A)  calcium- 40 
B)  argon- 40 
C)  phosphorous- 30 
D)  chlorine- 37 
E)  potassium- 39

Question 3

Which one of the following is not one of the postulates of Dalton's atomic theory?

Accepted Answer

A)  All atoms of a given element are identical; the atoms of different elements are different and have different properties. 
B)  Atoms are composed of protons, neutrons, and electrons. 
C)  Each element is composed of extremely small particles called atoms. 
D)  Atoms of an element are not changed into different types of atoms by chemical reactions:
Atoms are neither created nor destroyed in chemical reactions. 
E)  Compounds are formed when atoms of more than one element combine; a given compound always has the same relative number and kind of atoms. 
A)  All atoms of a given element are identical; the atoms of different elements are different and have different properties. 
B)  Atoms are composed of protons, neutrons, and electrons. 
C)  Each element is composed of extremely small particles called atoms. 
D)  Atoms of an element are not changed into different types of atoms by chemical reactions:
Atoms are neither created nor destroyed in chemical reactions. 
E)  Compounds are formed when atoms of more than one element combine; a given compound always has the same relative number and kind of atoms.

Question 4

The correct name for Mg(ClO3)2 is _ .

Accepted Answer

A)  magnesium chlorate 
B)  manganese perchlorate 
C)  magnesium perchlorate 
D)  magnesium chloroxide 
E)  manganese chlorate 
A)  magnesium chlorate 
B)  manganese perchlorate 
C)  magnesium perchlorate 
D)  magnesium chloroxide 
E)  manganese chlorate

Question 5

Vertical columns of the periodic table are known as .

Accepted Answer

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

Question 6

The correct name for CCl4 is _ .

Accepted Answer

A)  carbon perchlorate 
B)  carbon tetrachloride 
C)  carbon tetrachlorate 
D)  carbon chloride 
E)  carbon chlorate 
A)  carbon perchlorate 
B)  carbon tetrachloride 
C)  carbon tetrachlorate 
D)  carbon chloride 
E)  carbon chlorate

Question 7

A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of

Accepted Answer

A)  the law of conservation of mass 
B)  the law of multiple proportions 
C)  the law of constant composition 
D)  the law of conservation of energy 
E)  none of the above 
A)  the law of conservation of mass 
B)  the law of multiple proportions 
C)  the law of constant composition 
D)  the law of conservation of energy 
E)  none of the above

Question 8

Which one of the following is most likely to lose electrons when forming an ion?

Accepted Answer

A)  S 
B)  Rh 
C)  P 
D)  F 
E)  N 
A)  S 
B)  Rh 
C)  P 
D)  F 
E)  N

Question 9

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

Accepted Answer

A)  α- rays, β- rays, and γ- rays 
B)  α- rays 
C)  α- rays and γ- rays 
D)  β- rays 
E)  α- rays and β- rays 
A)  α- rays, β- rays, and γ- rays 
B)  α- rays 
C)  α- rays and γ- rays 
D)  β- rays 
E)  α- rays and β- rays

Question 10

Which one of the following basic forces is so small that it has no chemical significance?

Accepted Answer

A)  strong nuclear force 
B)  gravity 
C)  electromagnetism 
D)  Coulomb's law 
E)  weak nuclear force 
A)  strong nuclear force 
B)  gravity 
C)  electromagnetism 
D)  Coulomb's law 
E)  weak nuclear force

Question 11

Carbon can exist in different forms called .

Accepted Answer

The answer of Carbon can exist in different forms called...

Question 12

H2SeO4 is called selenic acid.

Accepted Answer

A) True 
 B)False

Question 13

Which metal forms cations of differing charges?

Accepted Answer

A)  Ba 
B)  Cs 
C)  Sn 
D)  K 
E)  Al 
A)  Ba 
B)  Cs 
C)  Sn 
D)  K 
E)  Al

Question 14

Of the three types of radioactivity characterized by Rutherford, which are particles?

Accepted Answer

A)  a- rays and y- rays 
B)  a- rays and fi- rays 
C)  a- rays, fi- rays, and y- rays 
D)  fi- rays 
E)  y- rays 
A)  a- rays and y- rays 
B)  a- rays and fi- rays 
C)  a- rays, fi- rays, and y- rays 
D)  fi- rays 
E)  y- rays

Question 15

Which statement below correctly describes the responses of alpha, beta, and gamma radiation to an electric field?

Accepted Answer

A)  Both alpha and beta are deflected in the same direction, while gamma shows no response. 
B)  Only alpha is deflected, while beta and gamma show no response. 
C)  Alpha and beta are deflected in opposite directions, while gamma shows no response. 
D)  Both beta and gamma are deflected in the same direction, while alpha shows no response. 
E)  Both alpha and gamma are deflected in the same direction, while beta shows no response. 
A)  Both alpha and beta are deflected in the same direction, while gamma shows no response. 
B)  Only alpha is deflected, while beta and gamma show no response. 
C)  Alpha and beta are deflected in opposite directions, while gamma shows no response. 
D)  Both beta and gamma are deflected in the same direction, while alpha shows no response. 
E)  Both alpha and gamma are deflected in the same direction, while beta shows no response.

Question 16

Which one of the following is the formula of hydrochloric acid?

Accepted Answer

A)  HClO 
B)  HCl 
C)  HClO3  
D)  HClO4  
E)  HClO2 
A)  HClO 
B)  HCl 
C)  HClO3  
D)  HClO4  
E)  HClO2

Question 17

Calcium forms an ion with a charge of .

Accepted Answer

A)  0 
B)  - 1 
C)  - 2 
D)  +2 
E)  +1 
A)  0 
B)  - 1 
C)  - 2 
D)  +2 
E)  +1

Question 18

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

Accepted Answer

A)  Na2F 
B)  NaF 
C)  Na2F3  
D)  NaF2  
E)  Na3F2 
A)  Na2F 
B)  NaF 
C)  Na2F3  
D)  NaF2  
E)  Na3F2

Question 19

Iodine forms an ion with a charge of .

Accepted Answer

A)  +2 
B)  - 7 
C)  - 1 
D)  +1 
E)  - 2 
A)  +2 
B)  - 7 
C)  - 1 
D)  +1 
E)  - 2

Question 20

The formula of ammonium carbonate is .

Accepted Answer

A)  N2(CO3)3 
B)  (NH3)2CO3 
C)  NH4CO2 
D)  (NH3)2CO4 
E)  (NH4)2CO3 
A)  N2(CO3)3 
B)  (NH3)2CO3 
C)  NH4CO2 
D)  (NH3)2CO4 
E)  (NH4)2CO3

Exam 2: Atoms, Molecules, and Ions

An element that appears in the lower left corner of the periodic table is .

Which atom has the largest number of neutrons?

Which one of the following is not one of the postulates of Dalton's atomic theory?

The correct name for Mg(ClO3)2 is _ .

Vertical columns of the periodic table are known as .

The correct name for CCl4 is _ .

A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of

Which one of the following is most likely to lose electrons when forming an ion?

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

Which one of the following basic forces is so small that it has no chemical significance?

Carbon can exist in different forms called .

H2SeO4 is called selenic acid.

Which metal forms cations of differing charges?

Of the three types of radioactivity characterized by Rutherford, which are particles?

Which statement below correctly describes the responses of alpha, beta, and gamma radiation to an electric field?

Which one of the following is the formula of hydrochloric acid?

Calcium forms an ion with a charge of .

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

Iodine forms an ion with a charge of .

The formula of ammonium carbonate is .

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 for Mg(ClO₃)₂is _ .

The correct name for CCl₄is _ .

H₂SeO₄is called selenic acid.