Question 1

Diopside,CaMgSi2O6,is an example of a(n)________ (orthosilicate,single-strand silicate,double-strand silicate,and cyclic silicate).

Accepted Answer

single-str

Question 2

What is the most stable oxidation state for Bi in bismuth compounds?

Accepted Answer

A) -2 
B) +1 
C) +3 
D) +2 
A) -2 
B) +1 
C) +3 
D) +2

Question 3

In which compound is nitrogen in its highest possible oxidation state?

Accepted Answer

A) NH3 
B) N2H4 
C) HNO2 
D) HNO3 
A) NH3 
B) N2H4 
C) HNO2 
D) HNO3

Question 4

Covalent hydrides of the type MH3 are likely to form with elements of what group?

Accepted Answer

A) 3A 
B) 4A 
C) 5A 
D) 6A 
A) 3A 
B) 4A 
C) 5A 
D) 6A

Question 5

Which one of the following compounds that contains a Group 5A element is least likely to exist?

Accepted Answer

A) NF3 
B) NBr5 
C) PF3 
D) PI5 
A) NF3 
B) NBr5 
C) PF3 
D) PI5

Question 6

The number of metallic elements in period 3 of the periodic table is ________.

Accepted Answer

The answer of The number of metallic elements in period...

Question 7

What is the structure of the "gray" allotropic form of tin that is used as a semiconductor?

Accepted Answer

A) body centered 
B) diamond-like 
C) graphite-like 
D) simple cubic 
A) body centered 
B) diamond-like 
C) graphite-like 
D) simple cubic

Question 8

Second row elements differ from heavier elements in all of the following ways except

Accepted Answer

A) atoms of second row elements are smaller. 
B) atoms of second row elements have higher electronegativities. 
C) heavier elements commonly form multiple bonds while second row elements cannot. 
D) heavier elements have electrons in d orbitals while second row elements do not. 
A) atoms of second row elements are smaller. 
B) atoms of second row elements have higher electronegativities. 
C) heavier elements commonly form multiple bonds while second row elements cannot. 
D) heavier elements have electrons in d orbitals while second row elements do not.

Question 9

Interhalogen compounds can be produced by reacting two different halogens together.Which one of the following compounds does not exist?

Accepted Answer

A) ClF 
B) ClBr 
C) ClBr3 
D) IF3 
A) ClF 
B) ClBr 
C) ClBr3 
D) IF3

Question 10

What is the anhydride of sulfuric acid?

Accepted Answer

A) SO2 
B) SO3 
C) S2O3 
D) S2O5 
A) SO2 
B) SO3 
C) S2O3 
D) S2O5

Question 11

Which compound exhibits pi bonding?

Accepted Answer

A) I2 
B) C2 
C) P4 
D) S8 
A) I2 
B) C2 
C) P4 
D) S8

Question 12

What is the name for the group of elements indicated by the shaded portion of the periodic table?

Accepted Answer

A) alkaline earth metals 
B) group 3A elements 
C) halogens 
D) noble gases 
A) alkaline earth metals 
B) group 3A elements 
C) halogens 
D) noble gases

Question 13

In the picture representing binary hydride AHx,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are

Accepted Answer

A) +1 and -3. 
B) +1 and -1. 
C) -1 and +1. 
D) -1 and +3. 
A) +1 and -3. 
B) +1 and -1. 
C) -1 and +1. 
D) -1 and +3.

Question 14

Predict the product(s)when the reactants Mg(s)+ Cl2(l)are mixed.

Accepted Answer

A) MgCl(s) 
B) MgCl2(s) 
C) Mg2Cl(s) 
D) MgCl3(s) 
A) MgCl(s) 
B) MgCl2(s) 
C) Mg2Cl(s) 
D) MgCl3(s)

Question 15

Which M3+ ion of group 3A elements is the easiest to reduce?

Accepted Answer

A) B 
B) Al 
C) Ga 
D) In 
A) B 
B) Al 
C) Ga 
D) In

Question 16

Some commercial drain cleaners contain aluminum chips and sodium hydroxide pellets.When water is added to this mixture a vigorous reaction takes place which is best represented as

Accepted Answer

A) 2 Al(s)+ 6 H+(aq)→ 2 Al3+(aq)+ 3 H2(g). 
B) 2 Al(s)+ 2 OH-(aq)+ 6 H2O(l)→ 2 Al(OH)4-(aq)+ 3 H2(g). 
C) 2 Al(s)+ 6 H2O(l)→ 2 Al(OH)3 + 3 H2(g). 
D) 2 Al(s)+ 3 Cu2+(aq)→ 2 Al3+(aq)+ 2 Cu(s). 
A) 2 Al(s)+ 6 H+(aq)→ 2 Al3+(aq)+ 3 H2(g). 
B) 2 Al(s)+ 2 OH-(aq)+ 6 H2O(l)→ 2 Al(OH)4-(aq)+ 3 H2(g). 
C) 2 Al(s)+ 6 H2O(l)→ 2 Al(OH)3 + 3 H2(g). 
D) 2 Al(s)+ 3 Cu2+(aq)→ 2 Al3+(aq)+ 2 Cu(s).

Question 17

Metallic character for the main group elements generally

Accepted Answer

A) increases from left to right across a period and increases down a group. 
B) increases from left to right across a period and decreases down a group. 
C) decreases from left to right across a period and increases down a group. 
D) decreases from left to right across a period and decreases down a group. 
A) increases from left to right across a period and increases down a group. 
B) increases from left to right across a period and decreases down a group. 
C) decreases from left to right across a period and increases down a group. 
D) decreases from left to right across a period and decreases down a group.

Question 18

What is the name of the commercial process for the preparation of sulfuric acid?

Accepted Answer

A) Contact process 
B) Haber process 
C) Mond process 
D) Ostwald process 
A) Contact process 
B) Haber process 
C) Mond process 
D) Ostwald process

Question 19

What statement is inconsistent about fullerene?

Accepted Answer

A) It is an allotrope of carbon and the C60 form has soccer ball shape. 
B) The C60 form of fullerene is a good oxidizing agent. 
C) The C60 fullerene is a molecular substance. 
D) The C60 form of fullerene is soluble in nonpolar organic solvents. 
A) It is an allotrope of carbon and the C60 form has soccer ball shape. 
B) The C60 form of fullerene is a good oxidizing agent. 
C) The C60 fullerene is a molecular substance. 
D) The C60 form of fullerene is soluble in nonpolar organic solvents.

Question 20

What is the name for the group of elements indicated by the shaded portion of the periodic table?

Accepted Answer

A) alkaline earth metals 
B) group 3A elements 
C) halogens 
D) noble gases 
A) alkaline earth metals 
B) group 3A elements 
C) halogens 
D) noble gases

Exam 22: The Main-Group Elements

Diopside,CaMgSi2O6,is an example of a(n)________ (orthosilicate,single-strand silicate,double-strand silicate,and cyclic silicate).

What is the most stable oxidation state for Bi in bismuth compounds?

In which compound is nitrogen in its highest possible oxidation state?

Covalent hydrides of the type MH3 are likely to form with elements of what group?

Which one of the following compounds that contains a Group 5A element is least likely to exist?

The number of metallic elements in period 3 of the periodic table is ________.

What is the structure of the "gray" allotropic form of tin that is used as a semiconductor?

Second row elements differ from heavier elements in all of the following ways except

Interhalogen compounds can be produced by reacting two different halogens together.Which one of the following compounds does not exist?

What is the anhydride of sulfuric acid?

Which compound exhibits pi bonding?

What is the name for the group of elements indicated by the shaded portion of the periodic table?

In the picture representing binary hydride AHx,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are

Predict the product(s)when the reactants Mg(s)+ Cl2(l)are mixed.

Which M3+ ion of group 3A elements is the easiest to reduce?

Some commercial drain cleaners contain aluminum chips and sodium hydroxide pellets.When water is added to this mixture a vigorous reaction takes place which is best represented as

Metallic character for the main group elements generally

What is the name of the commercial process for the preparation of sulfuric acid?

What statement is inconsistent about fullerene?

What is the name for the group of elements indicated by the shaded portion of the periodic table?

Chemical Tools: Experimentation and Measurement

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Connections to Organic and Biological Chemistry

Filters

Diopside,CaMgSi₂O₆,is an example of a(n)________ (orthosilicate,single-strand silicate,double-strand silicate,and cyclic silicate).

Covalent hydrides of the type MH₃ are likely to form with elements of what group?

In the picture representing binary hydride AH_x,lightly-shaded spheres represent H atoms or ions and darkly-shaded spheres represent atoms or ions of the other element,A.The oxidation state of hydrogen and the oxidation state of element A in the binary hydride shown below are

Predict the product(s)when the reactants Mg(s)+ Cl₂(l)are mixed.

Which M³⁺ ion of group 3A elements is the easiest to reduce?