Question 1

Trends in electron affinity are similar to those for ionization energy.

Accepted Answer

A) True 
 B)False

Question 2

The reaction of XeF4(s)with Pt(s)produces

Accepted Answer

A) Xe(g)and PtF6(s). 
B) XeF2(s)and PtF2(s). 
C) dimeric XeF2PtF4(s). 
D) Xe(g)and PtF4(s). 
E) XeF2(s)and PtF4(s). 
A) Xe(g)and PtF6(s). 
B) XeF2(s)and PtF2(s). 
C) dimeric XeF2PtF4(s). 
D) Xe(g)and PtF4(s). 
E) XeF2(s)and PtF4(s).

Question 3

Circle the species that has the largest radius: Ca2+,S2-,S,Cl.

Accepted Answer

S<sup>2</s

Question 4

Write an equation for the second ionization energy of magnesium.

Accepted Answer

Mg⁺(g)@#LAT-DLM&Mg<

Question 5

When hydrogen peroxide reacts with chlorine,the O2 formed may be produced in an excited state and emit light.This process is called

Accepted Answer

A) chemiluminescence. 
B) bioluminescence. 
C) phosphorescence. 
D) triboluminescence. 
E) incandescence. 
A) chemiluminescence. 
B) bioluminescence. 
C) phosphorescence. 
D) triboluminescence. 
E) incandescence.

Question 6

When phosphoric acid is heated it undergoes a ________________ reaction.

Accepted Answer

The answer of When phosphoric acid is heated it undergoes...

Question 7

Which of the following noble gases is likely to have the smallest ionization energy?

Accepted Answer

A) Xe 
B) Kr 
C) He 
D) Ne 
E) Ar 
A) Xe 
B) Kr 
C) He 
D) Ne 
E) Ar

Question 8

The anhydrous material with the common name "Epsom salts" has what chemical formula?

Accepted Answer

A) MgSO4  
B) Mg(OH)2  
C) CaSO4  
D) CaCl2  
E) MgCl2  
A) MgSO4  
B) Mg(OH)2  
C) CaSO4  
D) CaCl2  
E) MgCl2

Question 9

Write the formula of the hydride ion.

Accepted Answer

The answer of Write the formula of the hydride ion....

Question 10

In the contact process for the production of sulfuric acid,sulfur is first burned in oxygen to produce SO2(g).The SO2(g)is then

Accepted Answer

A) reduced to H2S(g). 
B) dissolved in water to form oleum. 
C) dissolved in water to form H2SO4(aq). 
D) dissolved in water to form H2SO3(aq). 
E) oxidized to SO3(g). 
A) reduced to H2S(g). 
B) dissolved in water to form oleum. 
C) dissolved in water to form H2SO4(aq). 
D) dissolved in water to form H2SO3(aq). 
E) oxidized to SO3(g).

Question 11

The mineral spondumene contains long,straight chain silicates involving the SiO32-unit.What is the shape of SiO32-?

Accepted Answer

A) T-shaped 
B) Ttetrahedral 
C) Trigonal planar 
D) Trigonal pyramidal 
E) See-saw 
A) T-shaped 
B) Ttetrahedral 
C) Trigonal planar 
D) Trigonal pyramidal 
E) See-saw

Question 12

When sulfur is produced by the Claus process,the starting material is

Accepted Answer

A) H2SO4(l). 
B) Na2SO3(s). 
C) SO3(g). 
D) SO2(g). 
E) H2S(g). 
A) H2SO4(l). 
B) Na2SO3(s). 
C) SO3(g). 
D) SO2(g). 
E) H2S(g).

Question 13

Both ammonia and phosphine are soluble in water.Which is less soluble? Why?

Accepted Answer

PH₃ is less soluble b

Question 14

Write the equation for the production of sulfur by the Claus process,identify the reducing agent,and state the total number of electrons transferred in the reaction.

Accepted Answer

2H₂S(g)+ SO_2</

Question 15

Carbon dioxide is the formal anhydride of

Accepted Answer

A) H2CO3 
B) HCOOH 
C) H2CO 
D) CO32- 
A) H2CO3 
B) HCOOH 
C) H2CO 
D) CO32-

Question 16

Polarizability is a measure of the ease with which an electron cloud can be distorted and is greatest for electron-rich atoms like fluorine.

Accepted Answer

A) True 
 B)False

Question 17

What is the shape of BrF5?

Accepted Answer

A) Seesaw 
B) Square planar 
C) Square pyramidal 
D) Octahedral 
E) Trigonal bipyramidal 
A) Seesaw 
B) Square planar 
C) Square pyramidal 
D) Octahedral 
E) Trigonal bipyramidal

Question 18

Which of the following has the strongest molar bond enthalpy?

Accepted Answer

A) H-F 
B) H-At 
C) H-Cl 
D) H-I 
E) H-Br 
A) H-F 
B) H-At 
C) H-Cl 
D) H-I 
E) H-Br

Question 19

What two types of bonds involving hydrogen does diborane exhibit?

Accepted Answer

Bridging h

Question 20

All the following statements about are characteristic of fluorine or its compounds are true except

Accepted Answer

A) Fluorine has a high electronegativity. 
B) Fluorine brings about low oxidation numbers in other elements. 
C) Fluorine has a very small size. 
D) Fluorine does not have available d-orbitals for bonding. 
E) Fluorine has an oxidation number of -1. 
A) Fluorine has a high electronegativity. 
B) Fluorine brings about low oxidation numbers in other elements. 
C) Fluorine has a very small size. 
D) Fluorine does not have available d-orbitals for bonding. 
E) Fluorine has an oxidation number of -1.

Trends in electron affinity are similar to those for ionization energy.

The reaction of XeF₄(s)with Pt(s)produces

Circle the species that has the largest radius: Ca²⁺,S^2-,S,Cl.

Write an equation for the second ionization energy of magnesium.

When hydrogen peroxide reacts with chlorine,the O₂ formed may be produced in an excited state and emit light.This process is called

When phosphoric acid is heated it undergoes a ________________ reaction.

Which of the following noble gases is likely to have the smallest ionization energy?

The anhydrous material with the common name "Epsom salts" has what chemical formula?

Write the formula of the hydride ion.

In the contact process for the production of sulfuric acid,sulfur is first burned in oxygen to produce SO₂(g).The SO₂(g)is then

The mineral spondumene contains long,straight chain silicates involving the SiO₃^2-unit.What is the shape of SiO₃^2-?

When sulfur is produced by the Claus process,the starting material is

Both ammonia and phosphine are soluble in water.Which is less soluble? Why?

Write the equation for the production of sulfur by the Claus process,identify the reducing agent,and state the total number of electrons transferred in the reaction.

Carbon dioxide is the formal anhydride of

Polarizability is a measure of the ease with which an electron cloud can be distorted and is greatest for electron-rich atoms like fluorine.

What is the shape of BrF₅?

Which of the following has the strongest molar bond enthalpy?

What two types of bonds involving hydrogen does diborane exhibit?

All the following statements about are characteristic of fluorine or its compounds are true except

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Exam 16: The Elements: the Main Group Elements

Trends in electron affinity are similar to those for ionization energy.

The reaction of XeF4(s)with Pt(s)produces

Circle the species that has the largest radius: Ca2+,S2-,S,Cl.

Write an equation for the second ionization energy of magnesium.

When hydrogen peroxide reacts with chlorine,the O2 formed may be produced in an excited state and emit light.This process is called

When phosphoric acid is heated it undergoes a ________________ reaction.

Which of the following noble gases is likely to have the smallest ionization energy?

The anhydrous material with the common name "Epsom salts" has what chemical formula?

Write the formula of the hydride ion.

In the contact process for the production of sulfuric acid,sulfur is first burned in oxygen to produce SO2(g).The SO2(g)is then

The mineral spondumene contains long,straight chain silicates involving the SiO32-unit.What is the shape of SiO32-?

When sulfur is produced by the Claus process,the starting material is

Both ammonia and phosphine are soluble in water.Which is less soluble? Why?

Write the equation for the production of sulfur by the Claus process,identify the reducing agent,and state the total number of electrons transferred in the reaction.

Carbon dioxide is the formal anhydride of

Polarizability is a measure of the ease with which an electron cloud can be distorted and is greatest for electron-rich atoms like fluorine.

What is the shape of BrF5?

Which of the following has the strongest molar bond enthalpy?

What two types of bonds involving hydrogen does diborane exhibit?

All the following statements about are characteristic of fluorine or its compounds are true except

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

The reaction of XeF₄(s)with Pt(s)produces

Circle the species that has the largest radius: Ca²⁺,S^2-,S,Cl.

When hydrogen peroxide reacts with chlorine,the O₂ formed may be produced in an excited state and emit light.This process is called

In the contact process for the production of sulfuric acid,sulfur is first burned in oxygen to produce SO₂(g).The SO₂(g)is then

The mineral spondumene contains long,straight chain silicates involving the SiO₃^2-unit.What is the shape of SiO₃^2-?

What is the shape of BrF₅?