Question 1

The silver salt of is used extensively in production of photographic film.

Accepted Answer

A)  astatine 
B)  fluorine 
C)  bromine 
D)  iodine 
E)  chlorine 
A)  astatine 
B)  fluorine 
C)  bromine 
D)  iodine 
E)  chlorine

Question 2

Which form of elemental sulfur is the most stable at room temperature?

Accepted Answer

A)  triclinic 
B)  hexagonal 
C)  rhombic sulfur 
D)  tetraclinic 
E)  monoclinic 
A)  triclinic 
B)  hexagonal 
C)  rhombic sulfur 
D)  tetraclinic 
E)  monoclinic

Question 3

What are the principal components used in making soda- lime glass?

Accepted Answer

calcium ox

Question 4

The molecular shape of the SF6 molecule is .

Accepted Answer

A)  trigonal pyramidal 
B)  octahedral 
C)  tetrahedral 
D)  trigonal bipyramidal 
E)  T- shaped 
A)  trigonal pyramidal 
B)  octahedral 
C)  tetrahedral 
D)  trigonal bipyramidal 
E)  T- shaped

Question 5

Explain why HF (aq) is a relatively weak acid compared to other hydrohalic acids.

Accepted Answer

(i) Fluorine, being the smallest of the

Question 6

The prefix "thio" denotes

Accepted Answer

A)  a sulfur-sulfur double bond. 
B)  replacement of an oxygen atom by a sulfur atom. 
C)  an allotropic form of sulfur. 
D)  sulfur in a negative oxidation state. 
E)  a sulfur-oxygen double bond. 
A)  a sulfur-sulfur double bond. 
B)  replacement of an oxygen atom by a sulfur atom. 
C)  an allotropic form of sulfur. 
D)  sulfur in a negative oxidation state. 
E)  a sulfur-oxygen double bond.

Question 7

In a hypohalous acid the oxidation state of the halogen is .

Accepted Answer

The answer of In a hypohalous acid the oxidation state...

Question 8

What is meant by the statement that graphite is an isotropic?

Accepted Answer

Its properties are d

Question 9

The white allotropic form of bursts into flame when exposed to air.

Accepted Answer

A)  phosphorus 
B)  oxygen 
C)  selenium 
D)  sulfur 
E)  carbon 
A)  phosphorus 
B)  oxygen 
C)  selenium 
D)  sulfur 
E)  carbon

Question 10

In a group of nonmetals, which element(s) is (are) most likely to be form stable n bonds?

Accepted Answer

A)  the top element 
B)  the second element 
C)  the bottom element 
D)  the middle element 
E)  None of them, nonmetals do not do this. 
A)  the top element 
B)  the second element 
C)  the bottom element 
D)  the middle element 
E)  None of them, nonmetals do not do this.

Question 11

Replacement of Na2O by K2O in soda- lime glass results in

Accepted Answer

A)  a harder glass with a higher melting point. 
B)  glass with a deep blue color. 
C)  opaque glass. 
D)  denser glass with a high refractive index. 
E)  a softer glass with a lower melting point. 
A)  a harder glass with a higher melting point. 
B)  glass with a deep blue color. 
C)  opaque glass. 
D)  denser glass with a high refractive index. 
E)  a softer glass with a lower melting point.

Question 12

Of the atoms below, is the most effective in forming n bonds.

Accepted Answer

A)  N 
B)  Si 
C)  P 
D)  Ge 
E)  C 
A)  N 
B)  Si 
C)  P 
D)  Ge 
E)  C

Question 13

Write the correctly balanced equation for the reaction between elemental fluorine and sodium iodide.

Accepted Answer

The answer of Write the correctly balanced equation for the...

Question 14

Which halogen can react with fluorine to form the compound XF7  ?

Accepted Answer

A)  fluorine 
B)  iodine 
C)  chlorine 
D)  astatine 
E)  bromine 
A)  fluorine 
B)  iodine 
C)  chlorine 
D)  astatine 
E)  bromine

Question 15

Describe the major difference in the charge distribution in CH4 and SiH4.

Accepted Answer

Even though both C- H and Si- H bonds ar

Question 16

Which one of the following is true concerning borax?

Accepted Answer

A)  It is the hydrated sodium salt of tetraboric acid. 
B)  It is commonly used in cleaning products. 
C)  Its aqueous solutions are alkaline. 
D)  It is found in dry lake deposits in California. 
E)  All of the above are true. 
A)  It is the hydrated sodium salt of tetraboric acid. 
B)  It is commonly used in cleaning products. 
C)  Its aqueous solutions are alkaline. 
D)  It is found in dry lake deposits in California. 
E)  All of the above are true.

Question 17

Which pair of formula/name is incorrect?

Accepted Answer

A)  N2O4 / dinitrogen trioxide 
B)  NO / nitric oxide 
C)  N2O / nitrous oxide 
D)  N2O5 / dinitrogen pentoxide 
E)  NO2 / nitrogen dioxide 
A)  N2O4 / dinitrogen trioxide 
B)  NO / nitric oxide 
C)  N2O / nitrous oxide 
D)  N2O5 / dinitrogen pentoxide 
E)  NO2 / nitrogen dioxide

Question 18

Compounds containing only boron and hydrogen are called .

Accepted Answer

The answer of Compounds containing only boron and hydrogen are...

Question 19

D2O is known as______ .

Accepted Answer

Question 20

Replacement of CaO by PbO in soda- lime glass results in

Accepted Answer

A)  denser glass with a high refractive index. 
B)  a softer glass with a lower melting point. 
C)  glass with a deep blue color. 
D)  opaque glass. 
E)  a harder glass with a higher melting point. 
A)  denser glass with a high refractive index. 
B)  a softer glass with a lower melting point. 
C)  glass with a deep blue color. 
D)  opaque glass. 
E)  a harder glass with a higher melting point.

Exam 22: Chemistry of the Nonmetals

The silver salt of is used extensively in production of photographic film.

Which form of elemental sulfur is the most stable at room temperature?

What are the principal components used in making soda- lime glass?

The molecular shape of the SF6 molecule is .

Explain why HF (aq) is a relatively weak acid compared to other hydrohalic acids.

The prefix "thio" denotes

In a hypohalous acid the oxidation state of the halogen is .

What is meant by the statement that graphite is an isotropic?

The white allotropic form of bursts into flame when exposed to air.

In a group of nonmetals, which element(s) is (are) most likely to be form stable n bonds?

Replacement of Na2O by K2O in soda- lime glass results in

Of the atoms below, is the most effective in forming n bonds.

Write the correctly balanced equation for the reaction between elemental fluorine and sodium iodide.

Which halogen can react with fluorine to form the compound XF7 ?

Describe the major difference in the charge distribution in CH4 and SiH4.

Which one of the following is true concerning borax?

Which pair of formula/name is incorrect?

Compounds containing only boron and hydrogen are called .

D2O is known as______ .

Replacement of CaO by PbO in soda- lime glass results in

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

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

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The molecular shape of the SF₆molecule is .

Replacement of Na₂O by K₂O in soda- lime glass results in

Which halogen can react with fluorine to form the compound XF₇?

Describe the major difference in the charge distribution in CH₄and SiH₄.

D₂O is known as______ .