Question 1

Which of the following species will have the highest ionization energy?

Accepted Answer

A) Na+ 
B) Ne 
C) F- 
D) O2- 
A) Na+ 
B) Ne 
C) F- 
D) O2-

Question 2

The four spheres below represent NaS1U1P1+S1S1P0,MgS1U1P12+S1S1P0,F⁻,and OS1U1P12-S1S1P0,not necessarily in that order.  
-Which sphere most likely represents the O2- ion?

Accepted Answer

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

Question 3

Arrange the ions N3-,O2-,Mg2+,Na+,and F- in order of increasing ionic radius,starting with the smallest first.

Accepted Answer

A) Mg2+,Na+,F-,O2-,N3- 
B) N3-,Mg2+,O2-,Na+,F- 
C) N3-,O2-,Mg2+,F-,Na+ 
D) N3-,O2-,F-,Na+,Mg2+ 
A) Mg2+,Na+,F-,O2-,N3- 
B) N3-,Mg2+,O2-,Na+,F- 
C) N3-,O2-,Mg2+,F-,Na+ 
D) N3-,O2-,F-,Na+,Mg2+

Question 4

Calculate the energy change in kJ/mol for the reaction Li+(g)+ F-(g)→ Li(g)+ F(g)using the following information:
Li(g)→ Li+(g)+ e- +520 kJ/mol
F(g)+ e- → F-(g)-328 kJ/mol

Accepted Answer

A) -848 kJ/mol 
B) -192 kJ/mol 
C) +192 kJ/mol 
D) +848 kJ/mol 
A) -848 kJ/mol 
B) -192 kJ/mol 
C) +192 kJ/mol 
D) +848 kJ/mol

Question 5

An element M reacts with chlorine to form MCl2,with oxygen to form MO,and with nitrogen to form M3N2.The most likely candidate for the element is

Accepted Answer

A) Li 
B) Mg 
C) Al 
D) Si 
A) Li 
B) Mg 
C) Al 
D) Si

Question 6

Which of the following represents the change in electronic configuration that is associated with the first ionization energy of magnesium?

Accepted Answer

A) [Ne]3s13p1 → [Ne]3s1 + e- 
B) [Ne]3s2 → [Ne]3s13p1 
C) [Ne]3s2 → [Ne]3s1 + e- 
D) [Ne]3s2 + e- → [Ne]3s23p1 
A) [Ne]3s13p1 → [Ne]3s1 + e- 
B) [Ne]3s2 → [Ne]3s13p1 
C) [Ne]3s2 → [Ne]3s1 + e- 
D) [Ne]3s2 + e- → [Ne]3s23p1

Question 7

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

Accepted Answer

A) aluminum 
B) magnesium 
C) phosphorus 
D) sodium 
A) aluminum 
B) magnesium 
C) phosphorus 
D) sodium

Question 8

How many electrons are in the outermost shell of the Ga3+ ion in its ground state?

Accepted Answer

A) 2 
B) 3 
C) 6 
D) 18 
A) 2 
B) 3 
C) 6 
D) 18

Question 9

How many valence shell electrons does an atom of aluminum have?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 13 
A) 1 
B) 2 
C) 3 
D) 13

Question 10

Which of the following represents the change in electronic configuration that is associated with the first ionization energy of strontium?

Accepted Answer

A) [ Kr] 5s15p1 → [ Kr] 5s1 + e- 
B) [ Kr] 5s2 → [ Kr] 5s15p1 
C) [ Kr] 5s2 → [ Kr] 5s1 + e- 
D) [ Kr] 5s2 + e- → [ Kr] 5s25p1 
A) [ Kr] 5s15p1 → [ Kr] 5s1 + e- 
B) [ Kr] 5s2 → [ Kr] 5s15p1 
C) [ Kr] 5s2 → [ Kr] 5s1 + e- 
D) [ Kr] 5s2 + e- → [ Kr] 5s25p1

Question 11

Which two ions have the same electron configuration in the ground state?

Accepted Answer

A) Rb+ and Cs+ 
B) Ba2+ and I- 
C) Se2+ and I- 
D) Fe2+ and Fe3+ 
A) Rb+ and Cs+ 
B) Ba2+ and I- 
C) Se2+ and I- 
D) Fe2+ and Fe3+

Question 12

List the elements Na,Ca,Rb,Cl,He in order of decreasing first ionization energy.

Accepted Answer

A) He > Cl > Ca > Na > Rb 
B) He > Na > Ca > Cl > Rb 
C) He > Na > Cl > Ca > Rb 
D) Rb > Ca > Cl > Na > He 
A) He > Cl > Ca > Na > Rb 
B) He > Na > Ca > Cl > Rb 
C) He > Na > Cl > Ca > Rb 
D) Rb > Ca > Cl > Na > He

Question 13

Which ion has the smallest ionic radius?

Accepted Answer

A) F- 
B) Cl- 
C) Br- 
D) I- 
A) F- 
B) Cl- 
C) Br- 
D) I-

Question 14

The element in group 7A with the least favorable (least negative)electron affinity is ________.

Accepted Answer

The answer of The element in group 7A with the...

Question 15

The alkali metals K,Rb,and Cs are commercially produced by

Accepted Answer

A) chemical reduction of their molten salts. 
B) electrolysis of their molten salts. 
C) thermal decomposition of their molten metal halides. 
D) thermal decomposition of their molten metal oxides. 
A) chemical reduction of their molten salts. 
B) electrolysis of their molten salts. 
C) thermal decomposition of their molten metal halides. 
D) thermal decomposition of their molten metal oxides.

Question 16

Which alkali metal forms preferentially a peroxide and superoxide?

Accepted Answer

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

Question 17

-Which of the above pictures best represents a solid ionic 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 18

The alkali metals Li and Na are commercially produced by

Accepted Answer

A) chemical reduction of their molten salts. 
B) electrolysis of their molten salts. 
C) thermal decomposition of their molten metal halides. 
D) thermal decomposition of their molten metal oxides. 
A) chemical reduction of their molten salts. 
B) electrolysis of their molten salts. 
C) thermal decomposition of their molten metal halides. 
D) thermal decomposition of their molten metal oxides.

Question 19

Which ionization process requires the most energy?

Accepted Answer

A) S(g)→ S+(g)+ e- 
B) S+(g)→ S2+(g)+ e- 
C) Cl(g)→ Cl+(g)+ e- 
D) Cl+(g)→ Cl2+(g)+ e- 
A) S(g)→ S+(g)+ e- 
B) S+(g)→ S2+(g)+ e- 
C) Cl(g)→ Cl+(g)+ e- 
D) Cl+(g)→ Cl2+(g)+ e-

Question 20

-Which sphere represents the metal atom?

Accepted Answer

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

Exam 6: Ionic Bonds and Some Main-Group Chemistry

Which of the following species will have the highest ionization energy?

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

Arrange the ions N3-,O2-,Mg2+,Na+,and F- in order of increasing ionic radius,starting with the smallest first.

Calculate the energy change in kJ/mol for the reaction Li+(g)+ F-(g)→ Li(g)+ F(g)using the following information: Li(g)→ Li+(g)+ e- +520 kJ/mol F(g)+ e- → F-(g)-328 kJ/mol

An element M reacts with chlorine to form MCl2,with oxygen to form MO,and with nitrogen to form M3N2.The most likely candidate for the element is

Which of the following represents the change in electronic configuration that is associated with the first ionization energy of magnesium?

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

How many electrons are in the outermost shell of the Ga3+ ion in its ground state?

How many valence shell electrons does an atom of aluminum have?

Which of the following represents the change in electronic configuration that is associated with the first ionization energy of strontium?

Which two ions have the same electron configuration in the ground state?

List the elements Na,Ca,Rb,Cl,He in order of decreasing first ionization energy.

Which ion has the smallest ionic radius?

The element in group 7A with the least favorable (least negative)electron affinity is ________.

The alkali metals K,Rb,and Cs are commercially produced by

Which alkali metal forms preferentially a peroxide and superoxide?

-Which of the above pictures best represents a solid ionic compound?

The alkali metals Li and Na are commercially produced by

Which ionization process requires the most energy?

-Which sphere represents the metal atom?

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

Arrange the ions N^3-,O^2-,Mg²⁺,Na⁺,and F^- in order of increasing ionic radius,starting with the smallest first.

Calculate the energy change in kJ/mol for the reaction Li⁺(g)+ F^-(g)→ Li(g)+ F(g)using the following information: Li(g)→ Li⁺(g)+ e^- +520 kJ/mol F(g)+ e^- → F^-(g)-328 kJ/mol

An element M reacts with chlorine to form MCl₂,with oxygen to form MO,and with nitrogen to form M₃N₂.The most likely candidate for the element is

How many electrons are in the outermost shell of the Ga³⁺ ion in its ground state?