Question 1

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s15d9

Accepted Answer

A) Au 
B) Pt 
C) Pd 
D) Tl 
E) Hf 
A) Au 
B) Pt 
C) Pd 
D) Tl 
E) Hf

Question 2

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

Accepted Answer

A) K+ 
B) Ar 
C) Cl- 
D) S2- 
A) K+ 
B) Ar 
C) Cl- 
D) S2-

Question 3

An element that has the valence electron configuration 3s23p6 belongs to which period and group?

Accepted Answer

A) period 3; group 17 
B) period 3; group 2 
C) period 3; group 7 
D) period 3; group 3 
E) period 3; group 5 
A) period 3; group 17 
B) period 3; group 2 
C) period 3; group 7 
D) period 3; group 3 
E) period 3; group 5

Question 4

Place the following in order of increasing atomic radius. As O B

Accepted Answer

A) As < Br < O 
B) O < As < Br 
C) Br < As < O 
D) As < O < Br 
E) O < Br < As 
A) As < Br < O 
B) O < As < Br 
C) Br < As < O 
D) As < O < Br 
E) O < Br < As

Question 5

Of the following, which atom has the largest atomic radius?

Accepted Answer

A) Rb 
B) I 
C) Cs 
D) At 
A) Rb 
B) I 
C) Cs 
D) At

Question 6

How many valence electrons does an atom of Al possess?

Accepted Answer

A) 1 
B) 2 
C) 5 
D) 3 
E) 8 
A) 1 
B) 2 
C) 5 
D) 3 
E) 8

Question 7

Use the periodic table to predict the most stable oxidation state for the following element: F

Accepted Answer

A) +1 
B) +2 
C) +3 
D) -1 
E) -2 
A) +1 
B) +2 
C) +3 
D) -1 
E) -2

Question 8

The condensed electron configuration of krypton, element 36, is ________.

Accepted Answer

A) [Kr]4s23d8 
B) [Ar]4s4 
C) [Kr]4s43d8 
D) [Ar]3d104s24p6 
E) [Ar]4s43d4 
A) [Kr]4s23d8 
B) [Ar]4s4 
C) [Kr]4s43d8 
D) [Ar]3d104s24p6 
E) [Ar]4s43d4

Question 9

Place the following in order of decreasing metallic character. C O N F

Accepted Answer

A) O > N > F > C 
B) F > O > N > C 
C) C > N > O > F 
D) F > N > O > C 
E) N > C > O > F 
A) O > N > F > C 
B) F > O > N > C 
C) C > N > O > F 
D) F > N > O > C 
E) N > C > O > F

Question 10

Match the following.

-valence electrons

Accepted Answer

A) 1 
B) electrons in the outermost shell 
C) electrons in completed shells 
D) 2 
A) 1 
B) electrons in the outermost shell 
C) electrons in completed shells 
D) 2

Question 11

Place the following in order of increasing radius. Ca2⁺ S2⁻ Cl⁻

Accepted Answer

A) Ca2⁺ 2⁻ 
B) Cl⁻ 2⁺ 2⁻ 
C) S2⁻ 2⁺ 
D) Ca2⁺ 2⁻ 2⁻ 2⁺ 
A) Ca2⁺ 2⁻ 
B) Cl⁻ 2⁺ 2⁻ 
C) S2⁻ 2⁺ 
D) Ca2⁺ 2⁻ 2⁻ 2⁺

Question 12

Which reaction below represents the second electron affinity of S?

Accepted Answer

A) S(g)+ e⁻ → S⁻(g) 
B) S⁻(g)+ e⁻ → S2⁻(g) 
C) S(g)→ S⁺(g)+ e⁻ 
D) S⁻(g)→ S(g)+ e⁻ 
E) S2⁻(g)→ S⁻(g)+ e⁻ 
A) S(g)+ e⁻ → S⁻(g) 
B) S⁻(g)+ e⁻ → S2⁻(g) 
C) S(g)→ S⁺(g)+ e⁻ 
D) S⁻(g)→ S(g)+ e⁻ 
E) S2⁻(g)→ S⁻(g)+ e⁻

Question 13

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 14

How many valence electrons does an atom of Ti possess?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
E) 0 
A) 2 
B) 4 
C) 6 
D) 8 
E) 0

Question 15

Identify the number of valence electrons for Mn.

Accepted Answer

A) 8 
B) 7 
C) 5 
D) 2 
A) 8 
B) 7 
C) 5 
D) 2

Question 16

Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

Accepted Answer

A) Br⁻ < Rb⁺ < Na⁺ 
B) Na⁺ < Rb⁺ < Br⁻ 
C) Rb⁺ < Br⁻ < Na⁺ 
D) Br⁻ < Na⁺ < Rb⁺ 
E) Rb⁺ < Na⁺ < Br⁻ 
A) Br⁻ < Rb⁺ < Na⁺ 
B) Na⁺ < Rb⁺ < Br⁻ 
C) Rb⁺ < Br⁻ < Na⁺ 
D) Br⁻ < Na⁺ < Rb⁺ 
E) Rb⁺ < Na⁺ < Br⁻

Question 17

How many valence electrons does an atom of Cu possess?

Accepted Answer

A) 2 
B) 9 
C) 11 
D) 3 
E) 1 
A) 2 
B) 9 
C) 11 
D) 3 
E) 1

Question 18

Identify the ground-state electron configuration for Se.

Accepted Answer

A) [Ar]4s23d104p4 
B) [Ar]4s24d104p4 
C) [Ar]4s23d104p6 
D) [Ar]4s23d10 
E) [Ar]3d104p4 
A) [Ar]4s23d104p4 
B) [Ar]4s24d104p4 
C) [Ar]4s23d104p6 
D) [Ar]4s23d10 
E) [Ar]3d104p4

Question 19

Use the periodic table to predict the most stable oxidation state for the following element: Br

Accepted Answer

A) +1 
B) +2 
C) +3 
D) -1 
E) -2 
A) +1 
B) +2 
C) +3 
D) -1 
E) -2

Question 20

How many valence electrons does an atom of Ba possess?

Accepted Answer

A) 2 
B) 1 
C) 8 
D) 6 
E) 3 
A) 2 
B) 1 
C) 8 
D) 6 
E) 3

Exam 8: Periodic Properties of the Elements

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s15d9

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

An element that has the valence electron configuration 3s23p6 belongs to which period and group?

Place the following in order of increasing atomic radius. As O B

Of the following, which atom has the largest atomic radius?

How many valence electrons does an atom of Al possess?

Use the periodic table to predict the most stable oxidation state for the following element: F

The condensed electron configuration of krypton, element 36, is ________.

Place the following in order of decreasing metallic character. C O N F

Match the following. -valence electrons

Place the following in order of increasing radius. Ca2⁺ S2⁻ Cl⁻

Which reaction below represents the second electron affinity of S?

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

How many valence electrons does an atom of Ti possess?

Identify the number of valence electrons for Mn.

Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

How many valence electrons does an atom of Cu possess?

Identify the ground-state electron configuration for Se.

Use the periodic table to predict the most stable oxidation state for the following element: Br

How many valence electrons does an atom of Ba possess?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

Filters

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s¹5d⁹

An element that has the valence electron configuration 3s²3p⁶ belongs to which period and group?

Place the following in order of increasing radius. Ca²⁺ S²⁻ Cl⁻