Question 1

Calcium,strontium,and barium are all prepared commercially by the same method which is

Accepted Answer

A) electrolysis of the molten metal oxides. 
B) electrolysis of the molten metal halides. 
C) chemical reduction of the metal oxides with aluminium. 
D) chemical reduction of the metal halides with oxygen. 
A) electrolysis of the molten metal oxides. 
B) electrolysis of the molten metal halides. 
C) chemical reduction of the metal oxides with aluminium. 
D) chemical reduction of the metal halides with oxygen.

Question 2

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 3

Which of the following reactions is inconsistent with the chemistry of the halogens?

Accepted Answer

A) H2(g)+ Cl2(g)→ 2 HCl(g) 
B) Fe(s)+ F2(g)→ FeF2(s) 
C) Br2(l)+ 2 Cl-(aq)→ 2 Br-(aq)+ Cl2(g) 
D) I2(s)+ 3 Cl2(g)→ 2 ICl3(s) 
A) H2(g)+ Cl2(g)→ 2 HCl(g) 
B) Fe(s)+ F2(g)→ FeF2(s) 
C) Br2(l)+ 2 Cl-(aq)→ 2 Br-(aq)+ Cl2(g) 
D) I2(s)+ 3 Cl2(g)→ 2 ICl3(s)

Question 4

An element that has the valence electron configuration 3s23p3 belongs to which period and group?

Accepted Answer

A) period 3;group 3A 
B) period 3;group 5A 
C) period 4;group 3A 
D) period 4;group 5A 
A) period 3;group 3A 
B) period 3;group 5A 
C) period 4;group 3A 
D) period 4;group 5A

Question 5

The following pictures represent alkali halide salts.  
-Which salt has the lowest lattice energy?

Accepted Answer

A) picture (a) 
B) picture (b) 
C) picture (c) 
D) picture (d) 
A) picture (a) 
B) picture (b) 
C) picture (c) 
D) picture (d)

Question 6

Which species does not have an octet of electrons for its outer core?

Accepted Answer

A) C4- 
B) P3- 
C) O2- 
D) Mg+ 
A) C4- 
B) P3- 
C) O2- 
D) Mg+

Question 7

Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium?

Accepted Answer

A) Ca(s)+ Cl2(g)→ CaCl2(s) 
B) 2 Ca(s)+ 2 H2O(l)→ 2 Ca(OH)2(aq)+ H2(g) 
C) 6 Ca(s)+ 2 N2(g)→ 2 Ca3N2(s) 
D) Ca(s)+ O2(g)→ CaO2(s) 
A) Ca(s)+ Cl2(g)→ CaCl2(s) 
B) 2 Ca(s)+ 2 H2O(l)→ 2 Ca(OH)2(aq)+ H2(g) 
C) 6 Ca(s)+ 2 N2(g)→ 2 Ca3N2(s) 
D) Ca(s)+ O2(g)→ CaO2(s)

Question 8

Which of the following ionic compounds would be expected to have the highest lattice energy?

Accepted Answer

A) LiCl 
B) NaCl 
C) KCl 
D) RbCl 
A) LiCl 
B) NaCl 
C) KCl 
D) RbCl

Question 9

The four spheres below represent NaS1U1P1+S1S1P0,MgS1U1P12+S1S1P0,F⁻,and OS1U1P12-S1S1P0,not necessarily in that order.  
-Which sphere most likely represents the F- ion?

Accepted Answer

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

Question 10

-Which element,indicated by letter on the periodic table above,has a 3+ ion with the electron configuration 1s2 2s2 2p6 3s2 3p6?

Accepted Answer

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

Question 11

Which contains covalent bonds?

Accepted Answer

A) NaH and HCl 
B) only HCl 
C) only NaCl 
D) only NaH 
A) NaH and HCl 
B) only HCl 
C) only NaCl 
D) only NaH

Question 12

Which ionic compound would be expected to have the highest lattice energy?

Accepted Answer

A) NaCl 
B) MgO 
C) AlF3 
D) Al2O3 
A) NaCl 
B) MgO 
C) AlF3 
D) Al2O3

Question 13

Which ionization process requires the most energy?

Accepted Answer

A) O(g)→ O+(g)+ e- 
B) O+(g)→ O2+(g)+ e- 
C) F(g)→ F+(g)+ e- 
D) F+(g)→ F2+(g)+ e- 
A) O(g)→ O+(g)+ e- 
B) O+(g)→ O2+(g)+ e- 
C) F(g)→ F+(g)+ e- 
D) F+(g)→ F2+(g)+ e-

Question 14

-Which of the above pictures are more likely to represent ionic compounds?

Accepted Answer

A) pictures (a)and (b) 
B) pictures (a)and (d) 
C) pictures (b)and (c) 
D) pictures (b)and (d) 
A) pictures (a)and (b) 
B) pictures (a)and (d) 
C) pictures (b)and (c) 
D) pictures (b)and (d)

Question 15

Of the following,which element has the highest first ionization energy?

Accepted Answer

A) Cl 
B) F 
C) O 
D) S 
A) Cl 
B) F 
C) O 
D) S

Question 16

Predict the product(s)when the reactants Be(s)+ Br2(l)are mixed.

Accepted Answer

A) BeBr(s) 
B) BeBr2(s) 
C) Be2Br(s) 
D) BeBr3(s) 
A) BeBr(s) 
B) BeBr2(s) 
C) Be2Br(s) 
D) BeBr3(s)

Question 17

Of the following,which element has the highest first ionization energy?

Accepted Answer

A) Sr 
B) Rb 
C) Na 
D) Ca 
A) Sr 
B) Rb 
C) Na 
D) Ca

Question 18

Which alkaline earth metal reacts the most vigorously with water at room temperature?

Accepted Answer

A) Be 
B) Ca 
C) Ba 
D) Sr 
A) Be 
B) Ca 
C) Ba 
D) Sr

Question 19

-Which of the above pictures best represents a gaseous covalent compound?

Accepted Answer

A) picture (a) 
B) picture (b) 
C) picture (c) 
D) picture (d) 
A) picture (a) 
B) picture (b) 
C) picture (c) 
D) picture (d)

Question 20

The four spheres below represent KS1U1P1+S1S1P0,CaS1U1P12+S1S1P0,ClS1U1P1-S1S1P0,and SS1U1P12-S1S1P0,not necessarily in that order.  
-Which sphere most likely represents the S2- ion?

Accepted Answer

A) A 
B) B 
C) A or B 
D) C or D 
A) A 
B) B 
C) A or B 
D) C or D

Exam 6: Ionic Bonds and Some Main-Group Chemistry

Calcium,strontium,and barium are all prepared commercially by the same method which is

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

Which of the following reactions is inconsistent with the chemistry of the halogens?

An element that has the valence electron configuration 3s23p3 belongs to which period and group?

The following pictures represent alkali halide salts. -Which salt has the lowest lattice energy?

Which species does not have an octet of electrons for its outer core?

Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium?

Which of the following ionic compounds would be expected to have the highest lattice energy?

The four spheres below represent Na+,Mg2+,F⁻,and O2-,not necessarily in that order. -Which sphere most likely represents the F- ion?

-Which element,indicated by letter on the periodic table above,has a 3+ ion with the electron configuration 1s2 2s2 2p6 3s2 3p6?

Which contains covalent bonds?

Which ionic compound would be expected to have the highest lattice energy?

Which ionization process requires the most energy?

-Which of the above pictures are more likely to represent ionic compounds?

Of the following,which element has the highest first ionization energy?

Predict the product(s)when the reactants Be(s)+ Br2(l)are mixed.

Of the following,which element has the highest first ionization energy?

Which alkaline earth metal reacts the most vigorously with water at room temperature?

-Which of the above pictures best represents a gaseous covalent compound?

The four spheres below represent K+,Ca2+,Cl-,and S2-,not necessarily in that order. -Which sphere most likely represents the S2- ion?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Covalent Bonds 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

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

An element that has the valence electron configuration 3s²3p³ belongs to which period and group?

The four spheres below represent Na⁺,Mg²⁺,F⁻,and O^2-,not necessarily in that order. -Which sphere most likely represents the F^- ion?

-Which element,indicated by letter on the periodic table above,has a 3+ ion with the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶?

Predict the product(s)when the reactants Be(s)+ Br₂(l)are mixed.

The four spheres below represent K⁺,Ca²⁺,Cl^-,and S^2-,not necessarily in that order. -Which sphere most likely represents the S^2- ion?