Question 1

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s13d5

Accepted Answer

A) Ni 
B) Co 
C) Cr 
D) Mn 
E) Fe 
A) Ni 
B) Co 
C) Cr 
D) Mn 
E) Fe

Question 2

Describe the reaction of the alkali metals with nonmetals.

Accepted Answer

A) inert 
B) vigorous 
C) mild reaction 
D) forms water 
E) dissolves 
A) inert 
B) vigorous 
C) mild reaction 
D) forms water 
E) dissolves

Question 3

Use the periodic table to determine the ground-state electron configuration for the following element: Sc

Accepted Answer

A) [Ar]4s23d1 
B) [Ar]4s23d2 
C) [Ar]4s3 
D) [Ar]3d3 
E) [Ar]4s23d3 
A) [Ar]4s23d1 
B) [Ar]4s23d2 
C) [Ar]4s3 
D) [Ar]3d3 
E) [Ar]4s23d3

Question 4

How many valence electrons does an atom of S have?

Accepted Answer

A) 3 
B) 1 
C) 2 
D) 4 
E) 6 
A) 3 
B) 1 
C) 2 
D) 4 
E) 6

Question 5

Place the following elements in order of increasing atomic radius. P Ba Cl

Accepted Answer

A) Ba < P < Cl 
B) P < Cl < Ba 
C) Cl < P < Ba 
D) Cl < Ba < P 
E) Ba < Cl < P 
A) Ba < P < Cl 
B) P < Cl < Ba 
C) Cl < P < Ba 
D) Cl < Ba < P 
E) Ba < Cl < P

Question 6

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

Accepted Answer

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

Question 7

Place the following in order of decreasing IE1. Cs Mg Ar

Accepted Answer

A) Cs > Mg > Ar 
B) Mg > Ar > Cs 
C) Ar > Mg > Cs 
D) Cs > Ar > Mg 
E) Mg > Cs > Ar 
A) Cs > Mg > Ar 
B) Mg > Ar > Cs 
C) Ar > Mg > Cs 
D) Cs > Ar > Mg 
E) Mg > Cs > Ar

Question 8

Use the periodic table to determine the ground-state electron configuration for the following element: Ga

Accepted Answer

A) [Ar]4s23d104p2 
B) [Ar]4s23d9 
C) [Ar]4s23d10 
D) [Ar]4s24p2 
E) [Ar]4s23d104p1 
A) [Ar]4s23d104p2 
B) [Ar]4s23d9 
C) [Ar]4s23d10 
D) [Ar]4s24p2 
E) [Ar]4s23d104p1

Question 9

How many valence electrons do the alkali earth metals possess?

Accepted Answer

A) 1 
B) 2 
C) 7 
D) 6 
E) 8 
A) 1 
B) 2 
C) 7 
D) 6 
E) 8

Question 10

The condensed electron configuration of sulfur, element 16, is ________.

Accepted Answer

A) [Ne]3s2 
B) [Ar]3s2 
C) [Ne]3s23p4 
D) [He]2s42p8 
E) [He]3s2 
A) [Ne]3s2 
B) [Ar]3s2 
C) [Ne]3s23p4 
D) [He]2s42p8 
E) [He]3s2

Question 11

Use the periodic table to determine the ground-state electron configuration for the following element: Mn

Accepted Answer

A) [Ar]4s23d5 
B) [Ar]4s23p5 
C) [Ar]4s23d104p5 
D) [Kr]5s24d6 
E) [Ne]3s23p4 
A) [Ar]4s23d5 
B) [Ar]4s23p5 
C) [Ar]4s23d104p5 
D) [Kr]5s24d6 
E) [Ne]3s23p4

Question 12

Why is the first ionization energy of sulfur smaller than the first ionization energy of phosphorus?

Accepted Answer

When sulfur loses one electron, it takes

Question 13

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d10

Accepted Answer

A) Cd 
B) Hg 
C) Pd 
D) Au 
E) Ag 
A) Cd 
B) Hg 
C) Pd 
D) Au 
E) Ag

Question 14

Place the following in order of increasing metallic character. Rb Cs K Na

Accepted Answer

A) K < Cs < Na < Rb 
B) Na < K < Rb < Cs 
C) Cs < Rb < K < Na 
D) K < Cs < Rb < Na 
E) Na < Rb < Cs < K 
A) K < Cs < Na < Rb 
B) Na < K < Rb < Cs 
C) Cs < Rb < K < Na 
D) K < Cs < Rb < Na 
E) Na < Rb < Cs < K

Question 15

An element that has the valence electron configuration 5s24d5 belongs to which period and group?

Accepted Answer

A) period 4; group 8 
B) period 5; group 9 
C) period 5; group 7 
D) period 5; group 3 
E) period 5; group 13 
A) period 4; group 8 
B) period 5; group 9 
C) period 5; group 7 
D) period 5; group 3 
E) period 5; group 13

Question 16

Place the following in order of increasing IE1. N F As

Accepted Answer

A) N < As < F 
B) As < N < F 
C) F < N < As 
D) As < F < N 
E) F < As < N 
A) N < As < F 
B) As < N < F 
C) F < N < As 
D) As < F < N 
E) F < As < N

Question 17

Use the periodic table to determine the ground-state electron configuration for the following element: Si

Accepted Answer

A) [Ne]3s23p1 
B) [Ne]3s23p3 
C) [Ne]3s23p6 
D) [Ne]3s23p2 
E) [Ne]3s23p4 
A) [Ne]3s23p1 
B) [Ne]3s23p3 
C) [Ne]3s23p6 
D) [Ne]3s23p2 
E) [Ne]3s23p4

Question 18

Define ionization energy.

Accepted Answer

Ionization energy is

Question 19

Define electron affinity.

Accepted Answer

Electron affinity is the energ

Question 20

An element that has the valence electron configuration 4s2 belongs to which period and group?

Accepted Answer

A) period 4; group 2 
B) period 4; group 14 
C) period 4; group 6 
D) period 4; group 1 
E) period 4; group 9 
A) period 4; group 2 
B) period 4; group 14 
C) period 4; group 6 
D) period 4; group 1 
E) period 4; group 9

Exam 8: Periodic Properties of the Elements

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s13d5

Describe the reaction of the alkali metals with nonmetals.

Use the periodic table to determine the ground-state electron configuration for the following element: Sc

How many valence electrons does an atom of S have?

Place the following elements in order of increasing atomic radius. P Ba Cl

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

Place the following in order of decreasing IE1. Cs Mg Ar

Use the periodic table to determine the ground-state electron configuration for the following element: Ga

How many valence electrons do the alkali earth metals possess?

The condensed electron configuration of sulfur, element 16, is ________.

Use the periodic table to determine the ground-state electron configuration for the following element: Mn

Why is the first ionization energy of sulfur smaller than the first ionization energy of phosphorus?

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d10

Place the following in order of increasing metallic character. Rb Cs K Na

An element that has the valence electron configuration 5s24d5 belongs to which period and group?

Place the following in order of increasing IE1. N F As

Use the periodic table to determine the ground-state electron configuration for the following element: Si

Define ionization energy.

Define electron affinity.

An element that has the valence electron configuration 4s2 belongs to which period and group?

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: [Ar]4s¹3d⁵

Place the following in order of decreasing IE₁. Cs Mg Ar

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s¹4d¹⁰

An element that has the valence electron configuration 5s²4d⁵ belongs to which period and group?

Place the following in order of increasing IE₁. N F As

An element that has the valence electron configuration 4s² belongs to which period and group?