Question 1

Which is NOT a hydride?

Accepted Answer

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

Question 2

Which of these elements is the most abundant in the universe?

Accepted Answer

A)  Hydrogen 
B)  Nitrogen 
C)  Carbon 
D)  Oxygen 
E)  Sodium 
A)  Hydrogen 
B)  Nitrogen 
C)  Carbon 
D)  Oxygen 
E)  Sodium

Question 3

Which of the following is not a product of the reaction of zinc metal with nitric acid?

Accepted Answer

A)  NH4+ 
B)  H2O 
C)  H2 
D)  Zn2+ 
E)  All of the species are products. 
A)  NH4+ 
B)  H2O 
C)  H2 
D)  Zn2+ 
E)  All of the species are products.

Question 4

Sulfur hexafluoride, SF6, is

Accepted Answer

A)  a reactive gas that decomposes when exposed to moisture. 
B)  a reactive gas used to fluorinate organic compounds. 
C)  an inert gas that is used as an electrical insulator. 
D)  a reactant in the process of manufacturing non-stick coatings. 
E)  used in the manufacture of sulfuric acid. 
A)  a reactive gas that decomposes when exposed to moisture. 
B)  a reactive gas used to fluorinate organic compounds. 
C)  an inert gas that is used as an electrical insulator. 
D)  a reactant in the process of manufacturing non-stick coatings. 
E)  used in the manufacture of sulfuric acid.

Question 5

Name the three allotropes of carbon and briefly describe their properties and structures.

Accepted Answer

Graphite is the most stable allotrope un

Question 6

Which of these elements is a solid at room temperature?

Accepted Answer

A)  Hydrogen 
B)  Nitrogen 
C)  Bromine 
D)  Sulfur 
E)  Chlorine 
A)  Hydrogen 
B)  Nitrogen 
C)  Bromine 
D)  Sulfur 
E)  Chlorine

Question 7

Phosphoric acid (H3PO4) is a strong acid.

Accepted Answer

A) True 
 B)False

Question 8

Which halogen does not form compounds with both positive and negative oxidation states?

Accepted Answer

A)  Chlorine 
B)  Fluorine 
C)  Iodine 
D)  Bromine 
E)  Astatine 
A)  Chlorine 
B)  Fluorine 
C)  Iodine 
D)  Bromine 
E)  Astatine

Question 9

________, ________, and ________ are the three isotopes of hydrogen.

Accepted Answer

Hydrogen (

Question 10

Which of the following is a metalloid?

Accepted Answer

A)  Al 
B)  Sn 
C)  As 
D)  Se 
E)  Bi 
A)  Al 
B)  Sn 
C)  As 
D)  Se 
E)  Bi

Question 11

How many valence electrons does a carbon atom have?

Accepted Answer

A)  2 
B)  1 
C)  6 
D)  3 
E)  4 
A)  2 
B)  1 
C)  6 
D)  3 
E)  4

Question 12

The chlor-alkali process produces chlorine, Cl2(g), in large quantities. What other industrially important substances are produced in this process?

Accepted Answer

A)  Na(s), H2(g) 
B)  H2(g), O2(g) 
C)  Hg(l), NaCl(s) 
D)  Na(s), O2(g) 
E)  NaOH(aq), H2(g) 
A)  Na(s), H2(g) 
B)  H2(g), O2(g) 
C)  Hg(l), NaCl(s) 
D)  Na(s), O2(g) 
E)  NaOH(aq), H2(g)

Question 13

________ ________ are formed when molecular hydrogen combines with transition metals but the ratio of hydrogen atom to transition metal is not constant.

Accepted Answer

Interstiti

Question 14

What is the formal charge on the singly bonded oxygens in the Lewis structure for the carbonate ion?

Accepted Answer

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

Question 15

Hydrogen forms metallic (interstitial) hydrides with the d and f transition elements. Which of the following statements is correct?

Accepted Answer

A)  These substances have distinct stoichiometric formulas like ionic hydrides. 
B)  Hydrogen forms bonds with the metals by donating its electron to the valence band of the metal. 
C)  Hydrogen molecules and atoms occupy holes within the crystal structure of the metal. 
D)  These substances are poor catalysts. 
E)  These hydrides are stabilized by hydrogen bonding forces. 
A)  These substances have distinct stoichiometric formulas like ionic hydrides. 
B)  Hydrogen forms bonds with the metals by donating its electron to the valence band of the metal. 
C)  Hydrogen molecules and atoms occupy holes within the crystal structure of the metal. 
D)  These substances are poor catalysts. 
E)  These hydrides are stabilized by hydrogen bonding forces.

Question 16

Which of these species is not an acidic oxide?

Accepted Answer

A)  P4O10 
B)  P4O6 
C)  SO3 
D)  CO 
E)  SiO2 
A)  P4O10 
B)  P4O6 
C)  SO3 
D)  CO 
E)  SiO2

Question 17

Which of these compounds does not follow the octet rule?

Accepted Answer

A)  CO 
B)  CO2 
C)  NF3 
D)  NO 
E)  CF4 
A)  CO 
B)  CO2 
C)  NF3 
D)  NO 
E)  CF4

Question 18

Hydrogen peroxide, H2O2, is

Accepted Answer

A)  a strong reducing agent. 
B)  used as a drying agent. 
C)  a colored liquid with a low boiling point. 
D)  a strong acid. 
E)  a component of rocket fuel. 
A)  a strong reducing agent. 
B)  used as a drying agent. 
C)  a colored liquid with a low boiling point. 
D)  a strong acid. 
E)  a component of rocket fuel.

Question 19

What are the isotopes of hydrogen?

Accepted Answer

Hydrogen (

Question 20

What are the products of the reaction of potassium hydride and water?KH(s) + H2O(l) →

Accepted Answer

A)  K(s) + H2(g) + OH-(aq) 
B)  K(s) + H2(g) + O2(g) 
C)  KOH(s) + O2(g) 
D)  K+(aq) + H2(g) + O2(g) 
E)  K+(aq) + H2(g) + OH-(aq) 
A)  K(s) + H2(g) + OH-(aq) 
B)  K(s) + H2(g) + O2(g) 
C)  KOH(s) + O2(g) 
D)  K+(aq) + H2(g) + O2(g) 
E)  K+(aq) + H2(g) + OH-(aq)

Exam 25: Organic Chemistry

Which is NOT a hydride?

Which of these elements is the most abundant in the universe?

Which of the following is not a product of the reaction of zinc metal with nitric acid?

Sulfur hexafluoride, SF6, is

Name the three allotropes of carbon and briefly describe their properties and structures.

Which of these elements is a solid at room temperature?

Phosphoric acid (H3PO4) is a strong acid.

Which halogen does not form compounds with both positive and negative oxidation states?

________, ________, and ________ are the three isotopes of hydrogen.

Which of the following is a metalloid?

How many valence electrons does a carbon atom have?

The chlor-alkali process produces chlorine, Cl2(g), in large quantities. What other industrially important substances are produced in this process?

________ ________ are formed when molecular hydrogen combines with transition metals but the ratio of hydrogen atom to transition metal is not constant.

What is the formal charge on the singly bonded oxygens in the Lewis structure for the carbonate ion?

Hydrogen forms metallic (interstitial) hydrides with the d and f transition elements. Which of the following statements is correct?

Which of these species is not an acidic oxide?

Which of these compounds does not follow the octet rule?

Hydrogen peroxide, H2O2, is

What are the isotopes of hydrogen?

What are the products of the reaction of potassium hydride and water?KH(s) + H2O(l) →

Chemistry: the Central Science

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Filters

Sulfur hexafluoride, SF₆, is

Phosphoric acid (H₃PO₄) is a strong acid.

, , and are the three isotopes of hydrogen.

The chlor-alkali process produces chlorine, Cl₂(g), in large quantities. What other industrially important substances are produced in this process?

are formed when molecular hydrogen combines with transition metals but the ratio of hydrogen atom to transition metal is not constant.

Hydrogen peroxide, H₂O₂, is

What are the products of the reaction of potassium hydride and water?KH(s) + H₂O(l) →