Question 1

Which ion has the smallest ionic radius?

Accepted Answer

A) Li+ 
B) Na+ 
C) K+ 
D) Rb+ 
A) Li+ 
B) Na+ 
C) K+ 
D) Rb+ A

Question 2

Both chlorine and bromine can be produced in the laboratory by reacting the halides with manganese(IV)oxide.If the following equation is balanced in an acidic solution,then the MnO2 is acting as a(n)________ and the coefficient in front of H+ is ________.
____ MnO2(s)+ ____ Cl-(aq)+ ____ H+(aq)→ ____ Mn2+(aq)+ ____ Cl2(g)+ ____ H2O(l)

Accepted Answer

A) oxidizing agent,2 
B) oxidizing agent,3 
C) oxidizing agent,4 
D) reducing agent,3 
A) oxidizing agent,2 
B) oxidizing agent,3 
C) oxidizing agent,4 
D) reducing agent,3 C

Question 3

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

Accepted Answer

A) Na2O 
B) MgO 
C) Al2O3 
D) CO2 
A) Na2O 
B) MgO 
C) Al2O3 
D) CO2 C

Question 4

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 Cl⁻ 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

Question 5

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

Accepted Answer

A) Ca 
B) K 
C) Li 
D) Mg 
A) Ca 
B) K 
C) Li 
D) Mg

Question 6

Most of the compounds of the 2+ ions of the first row of the transition metals from Mn to Zn are colored due to absorption of visible light promoting an electron from one 3d orbital to another.Which of these ions should tend to form colorless compounds?

Accepted Answer

A) Mn2+ 
B) Co2+ 
C) Cu2+ 
D) Zn2+ 
A) Mn2+ 
B) Co2+ 
C) Cu2+ 
D) Zn2+

Question 7

The four spheres below represent NaS1U1P1+S1S1P0,MgS1U1P12+S1S1P0,F⁻,and OS1U1P12-S1S1P0,not necessarily in that order.  
-Which sphere most likely represents the Mg2+ ion?

Accepted Answer

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

Question 8

Using shorthand notation,the ground-state electron configuration for Co2+ is predicted to be ________.

Accepted Answer

Question 9

Which element has the most favorable (most negative)electron affinity?

Accepted Answer

A) Na 
B) Mg 
C) O 
D) Ne 
A) Na 
B) Mg 
C) O 
D) Ne

Question 10

Which element has the most favorable (most negative)electron affinity?

Accepted Answer

A) B 
B) C 
C) Li 
D) N 
A) B 
B) C 
C) Li 
D) N

Question 11

Which of the hydrogen halide acids is used to etch glass?

Accepted Answer

A) HF 
B) HCl 
C) HBr 
D) HI 
A) HF 
B) HCl 
C) HBr 
D) HI

Question 12

Which element,indicated by letter on the periodic table,is able to form compounds that do not obey the octet rule?

Accepted Answer

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

Question 13

Which period 3 element has successive first through seventh ionization energies (kJ/mol)of
Ei1 = 578;Ei2 = 1,817;Ei3 = 2,745;Ei4 = 11,575;Ei5 = 14,830;Ei6 = 18,376;and Ei7 = 23,293?

Accepted Answer

A) Mg 
B) Al 
C) S 
D) Cl 
A) Mg 
B) Al 
C) S 
D) Cl

Question 14

Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state?
(I)O2-,Ne,and Mg2+
(II)Ni,Cu+,and Zn2+
(III)Hg,Tl+,and Pb2+

Accepted Answer

A) all three sets 
B) all but (I) 
C) all but (II) 
D) only (I) 
A) all three sets 
B) all but (I) 
C) all but (II) 
D) only (I)

Question 15

Which element has the least favorable (least negative)electron affinity?

Accepted Answer

A) B 
B) C 
C) N 
D) O 
A) B 
B) C 
C) N 
D) O

Question 16

An element that has the valence electron configuration 6s26p6 belongs to which period and group?

Accepted Answer

A) period 6;group 6A 
B) period 6;group 8A 
C) period 7;group 6A 
D) period 7;group 8A 
A) period 6;group 6A 
B) period 6;group 8A 
C) period 7;group 6A 
D) period 7;group 8A

Question 17

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

Accepted Answer

A) NaF 
B) NaCl 
C) NaBr 
D) NaI 
A) NaF 
B) NaCl 
C) NaBr 
D) NaI

Question 18

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 19

-What is the likely formula for the binary compound formed from the elements represented by letters A and C on the periodic table above?

Accepted Answer

A) AC 
B) A2C 
C) AC2 
D) A2C3 
A) AC 
B) A2C 
C) AC2 
D) A2C3

Question 20

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

Accepted Answer

A) alkali metals 
B) alkaline earth metals 
C) inner-transition metals 
D) transition metals 
A) alkali metals 
B) alkaline earth metals 
C) inner-transition metals 
D) transition metals

Exam 6: Ionic Bonds and Some Main-Group Chemistry

Which ion has the smallest ionic radius?

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

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

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

Most of the compounds of the 2+ ions of the first row of the transition metals from Mn to Zn are colored due to absorption of visible light promoting an electron from one 3d orbital to another.Which of these ions should tend to form colorless compounds?

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

Using shorthand notation,the ground-state electron configuration for Co2+ is predicted to be ________.

Which element has the most favorable (most negative)electron affinity?

Which element has the most favorable (most negative)electron affinity?

Which of the hydrogen halide acids is used to etch glass?

Which element,indicated by letter on the periodic table,is able to form compounds that do not obey the octet rule?

Which period 3 element has successive first through seventh ionization energies (kJ/mol)of Ei1 = 578;Ei2 = 1,817;Ei3 = 2,745;Ei4 = 11,575;Ei5 = 14,830;Ei6 = 18,376;and Ei7 = 23,293?

Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state? (I)O2-,Ne,and Mg2+ (II)Ni,Cu+,and Zn2+ (III)Hg,Tl+,and Pb2+

Which element has the least favorable (least negative)electron affinity?

An element that has the valence electron configuration 6s26p6 belongs to which period and group?

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

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

-What is the likely formula for the binary compound formed from the elements represented by letters A and C on the periodic table above?

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

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

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

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

Using shorthand notation,the ground-state electron configuration for Co²⁺ is predicted to be ________.

Which period 3 element has successive first through seventh ionization energies (kJ/mol)of E_i1 = 578;E_i2 = 1,817;E_i3 = 2,745;E_i4 = 11,575;E_i5 = 14,830;E_i6 = 18,376;and E_i7 = 23,293?

Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state? (I)O^2-,Ne,and Mg²⁺ (II)Ni,Cu⁺,and Zn²⁺ (III)Hg,Tl⁺,and Pb²⁺

An element that has the valence electron configuration 6s²6p⁶ belongs to which period and group?