Question 1

What is the name of BBr3?

Accepted Answer

A)  boron bromide 
B)  boric bromide 
C)  boron tribromide 
D)  tribromoboride 
E)  bromine triboride 
A)  boron bromide 
B)  boric bromide 
C)  boron tribromide 
D)  tribromoboride 
E)  bromine triboride

Question 2

Name the three important "laws" that were accounted for by Dalton's atomic theory.

Accepted Answer

laws of conservation

Question 3

What is the name of the acid formed when HCN gas is dissolved in water?

Accepted Answer

A)  cyanic acid 
B)  hydrocyanic acid 
C)  cyanous acid 
D)  hydrocyanous acid 
E)  hydrogen cyanide 
A)  cyanic acid 
B)  hydrocyanic acid 
C)  cyanous acid 
D)  hydrocyanous acid 
E)  hydrogen cyanide

Question 4

Millikan's oil-drop experiment

Accepted Answer

A)  established the charge on an electron. 
B)  showed that all oil drops carried the same charge. 
C)  provided support for the nuclear model of the atom. 
D)  suggested that some oil drops carried fractional numbers of electrons. 
E)  suggested the presence of a neutral particle in the atom. 
A)  established the charge on an electron. 
B)  showed that all oil drops carried the same charge. 
C)  provided support for the nuclear model of the atom. 
D)  suggested that some oil drops carried fractional numbers of electrons. 
E)  suggested the presence of a neutral particle in the atom.

Question 5

Ferric oxide is used as a pigment in metal polishing. Which of the following is its formula?

Accepted Answer

A)  FeO 
B)  Fe2O 
C)  FeO3 
D)  Fe2O5 
E)  Fe2O3 
A)  FeO 
B)  Fe2O 
C)  FeO3 
D)  Fe2O5 
E)  Fe2O3

Question 6

The compound, (NH4)2S, can be used in analysis for trace amounts of metals present in a sample. What is its name?

Accepted Answer

A)  ammonium sulfide 
B)  diammonium sulfide 
C)  ammonium sulfite 
D)  ammonia(I) sulfite 
E)  ammonium(I) sulfide 
A)  ammonium sulfide 
B)  diammonium sulfide 
C)  ammonium sulfite 
D)  ammonia(I) sulfite 
E)  ammonium(I) sulfide

Question 7

Atoms of one element cannot be converted to another element by any known method.

Accepted Answer

A) True 
 B)False

Question 8

Iodine pentafluoride reacts slowly with glass and violently with water. Determine its molecular mass.

Accepted Answer

A)  653.52 amu 
B)  259.89 amu 
C)  221.90 amu 
D)  202.90 amu 
E)  145.90 amu 
A)  653.52 amu 
B)  259.89 amu 
C)  221.90 amu 
D)  202.90 amu 
E)  145.90 amu

Question 9

The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following compounds is ionic?

Accepted Answer

A)  PF3 
B)  CS2 
C)  HCl 
D)  SO2 
E)  MgCl2 
A)  PF3 
B)  CS2 
C)  HCl 
D)  SO2 
E)  MgCl2

Question 11

Sodium peroxide is an oxidizer used to bleach animal and vegetable fibers. What is its formula?

Accepted Answer

A)  NaO 
B)  NaO2 
C)  Na2O2 
D)  Na2O 
E)  NaH2O2 
A)  NaO 
B)  NaO2 
C)  Na2O2 
D)  Na2O 
E)  NaH2O2

Question 12

In nature, some elements exist as molecules, while others do not.

Accepted Answer

A) True 
 B)False

Question 13

What is the name of IF7?

Accepted Answer

A)  iodine fluoride 
B)  iodic fluoride 
C)  iodine heptafluoride 
D)  heptafluoroiodide 
E)  heptafluorine iodide 
A)  iodine fluoride 
B)  iodic fluoride 
C)  iodine heptafluoride 
D)  heptafluoroiodide 
E)  heptafluorine iodide

Question 14

A column of the periodic table is called a

Accepted Answer

A)  group. 
B)  period. 
C)  isotopic mixture. 
D)  pillar. 
E)  shell. 
A)  group. 
B)  period. 
C)  isotopic mixture. 
D)  pillar. 
E)  shell.

Question 15

The chemical symbol for potassium is:

Accepted Answer

A)  P 
B)  Po 
C)  Pt 
D)  Pm 
E)  K 
A)  P 
B)  Po 
C)  Pt 
D)  Pm 
E)  K

Question 16

What is the formula for lithium nitrite?

Accepted Answer

A)  LiNO2 
B)  Li2NO2 
C)  LiNO3 
D)  Li2NO3 
E)  LiNO4 
A)  LiNO2 
B)  Li2NO2 
C)  LiNO3 
D)  Li2NO3 
E)  LiNO4

Question 17

What is the name of the acid formed when HClO4 liquid is dissolved in water?

Accepted Answer

A)  hydrochloric acid 
B)  perchloric acid 
C)  chloric acid 
D)  chlorous acid 
E)  hydrochlorate acid 
A)  hydrochloric acid 
B)  perchloric acid 
C)  chloric acid 
D)  chlorous acid 
E)  hydrochlorate acid

Question 18

The substance, CaSe, is used in materials which are electron emitters. What is its name?

Accepted Answer

A)  calcium monoselenide 
B)  calcium(II) selenide 
C)  calcium selenide 
D)  calcium(I) selenide 
E)  calcium(II) selenium 
A)  calcium monoselenide 
B)  calcium(II) selenide 
C)  calcium selenide 
D)  calcium(I) selenide 
E)  calcium(II) selenium

Question 19

Barium fluoride is used in embalming and in glass manufacturing. Which of the following gives the formula and bonding for barium fluoride?

Accepted Answer

A)  BaF2, ionic compound 
B)  BaF2, covalent compound 
C)  BaF, ionic compound 
D)  BaF, covalent compound 
E)  Ba2F, ionic compound 
A)  BaF2, ionic compound 
B)  BaF2, covalent compound 
C)  BaF, ionic compound 
D)  BaF, covalent compound 
E)  Ba2F, ionic compound

Question 20

. If the compositions of the two compounds are consistent with the law of multiple proportions, which of the following compositions could be that of compound 2?

Accepted Answer

A)  23.4 mass % A; 76.6 mass % B 
B)  30.4 mass % A; 69.6 mass % B 
C)  33.3 mass % A; 66.7 mass % B 
D)  53.3 mass % A; 46.7 mass % B 
E)  73.3 mass % A; 26.7 mass % B 
A)  23.4 mass % A; 76.6 mass % B 
B)  30.4 mass % A; 69.6 mass % B 
C)  33.3 mass % A; 66.7 mass % B 
D)  53.3 mass % A; 46.7 mass % B 
E)  73.3 mass % A; 26.7 mass % B

Exam 2: The Components of Matter

What is the name of BBr3?

Name the three important "laws" that were accounted for by Dalton's atomic theory.

What is the name of the acid formed when HCN gas is dissolved in water?

Millikan's oil-drop experiment

Ferric oxide is used as a pigment in metal polishing. Which of the following is its formula?

The compound, (NH4)2S, can be used in analysis for trace amounts of metals present in a sample. What is its name?

Atoms of one element cannot be converted to another element by any known method.

Iodine pentafluoride reacts slowly with glass and violently with water. Determine its molecular mass.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

Which of the following compounds is ionic?

Sodium peroxide is an oxidizer used to bleach animal and vegetable fibers. What is its formula?

In nature, some elements exist as molecules, while others do not.

What is the name of IF7?

A column of the periodic table is called a

The chemical symbol for potassium is:

What is the formula for lithium nitrite?

What is the name of the acid formed when HClO4 liquid is dissolved in water?

The substance, CaSe, is used in materials which are electron emitters. What is its name?

Barium fluoride is used in embalming and in glass manufacturing. Which of the following gives the formula and bonding for barium fluoride?

. If the compositions of the two compounds are consistent with the law of multiple proportions, which of the following compositions could be that of compound 2?

Keys to the Study of Chemistry

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

What is the name of BBr₃?

The compound, (NH₄)₂S, can be used in analysis for trace amounts of metals present in a sample. What is its name?

What is the name of IF₇?