Question 1

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

Accepted Answer

A) [Ar]4s24d54p5 
B) [Ar]4s23d104p5 
C) [Ar]4s24d104p5 
D) [Ar]4s24d104p3 
E) [Ar]4s23d104p3 
A) [Ar]4s24d54p5 
B) [Ar]4s23d104p5 
C) [Ar]4s24d104p5 
D) [Ar]4s24d104p3 
E) [Ar]4s23d104p3

Question 2

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s13d10

Accepted Answer

A) Ga 
B) Zn 
C) Cu 
D) Ni 
E) Cd 
A) Ga 
B) Zn 
C) Cu 
D) Ni 
E) Cd

Question 3

Identify the most reactive alkali metal with water.

Accepted Answer

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

Question 4

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

Accepted Answer

A) K 
B) As 
C) Rb 
D) Sb 
A) K 
B) As 
C) Rb 
D) Sb

Question 5

Identify a characteristic of halogens.

Accepted Answer

A) powerful reducing agents 
B) forms water in reactions 
C) powerful oxidizing agents 
D) absorbs water in reactions 
E) inert 
A) powerful reducing agents 
B) forms water in reactions 
C) powerful oxidizing agents 
D) absorbs water in reactions 
E) inert

Question 6

Why do successive ionization energies increase?

Accepted Answer

After removing the first electron, the s

Question 7

Describe the reaction of the noble gases with metals.

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 8

Place the following in order of decreasing metallic character. P As K

Accepted Answer

A) P > As > K 
B) As > P > K 
C) K > P > As 
D) As > K > P 
E) K > As > P 
A) P > As > K 
B) As > P > K 
C) K > P > As 
D) As > K > P 
E) K > As > P

Question 9

Identify the states of the halogens at room temperature.

Accepted Answer

A) Fluorine, chlorine, bromine, and iodine are gases. 
B) Fluorine, chlorine, and bromine are gases; iodine is a solid. 
C) All are gases. 
D) Fluorine is a gas, chlorine and bromine are liquids, and iodine is a solid. 
E) Fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid. 
A) Fluorine, chlorine, bromine, and iodine are gases. 
B) Fluorine, chlorine, and bromine are gases; iodine is a solid. 
C) All are gases. 
D) Fluorine is a gas, chlorine and bromine are liquids, and iodine is a solid. 
E) Fluorine and chlorine are gases, bromine is a liquid, and iodine is a solid.

Question 10

Which reaction below represents the first ionization of O?

Accepted Answer

A) O⁺(g)+ e⁻ → O(g) 
B) O(g)+ e⁻ → O⁻(g) 
C) O⁻(g)→ O(g)+ e⁻ 
D) O(g)→ O⁺(g)+ e⁻ 
E) O⁻(g)+ e⁻ → O2⁻(g) 
A) O⁺(g)+ e⁻ → O(g) 
B) O(g)+ e⁻ → O⁻(g) 
C) O⁻(g)→ O(g)+ e⁻ 
D) O(g)→ O⁺(g)+ e⁻ 
E) O⁻(g)+ e⁻ → O2⁻(g)

Question 11

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

Accepted Answer

A) [Kr]5s24d105p2 
B) [Kr]5s25p2 
C) [Kr]5s25d2 
D) [Kr]5s24d2 
E) [Kr]5s24d105p4 
A) [Kr]5s24d105p2 
B) [Kr]5s25p2 
C) [Kr]5s25d2 
D) [Kr]5s24d2 
E) [Kr]5s24d105p4

Question 12

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

Accepted Answer

A) beryllium 
B) hydrogen 
C) boron 
D) lithium 
A) beryllium 
B) hydrogen 
C) boron 
D) lithium

Question 13

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

Accepted Answer

A) Sr 
B) Br 
C) K 
D) Te 
A) Sr 
B) Br 
C) K 
D) Te

Question 14

Identify the ground-state electron configuration for Sr.

Accepted Answer

A) [Kr]5s24d2 
B) [Kr]5s24d105p2 
C) [Kr]5s2 
D) [Kr]5s25d105p2 
E) [Kr]5s24d10 
A) [Kr]5s24d2 
B) [Kr]5s24d105p2 
C) [Kr]5s2 
D) [Kr]5s25d105p2 
E) [Kr]5s24d10

Question 15

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 16

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

Accepted Answer

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

Question 17

How many unpaired electrons are present in the ground-state Ge atom?

Accepted Answer

A) 0 
B) 3 
C) 1 
D) 2 
E) 4 
A) 0 
B) 3 
C) 1 
D) 2 
E) 4

Question 18

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

Accepted Answer

A) period 6; group 16 
B) period 6; group 18 
C) period 7; group 16 
D) period 7; group 18 
E) period 7; group 17 
A) period 6; group 16 
B) period 6; group 18 
C) period 7; group 16 
D) period 7; group 18 
E) period 7; group 17

Question 19

Identify the ground-state electron configuration for I.

Accepted Answer

A) [Kr]5s24d105p6 
B) [Kr]5s24d105p5 
C) [Kr]4d105p6 
D) [Kr]5s25p6 
E) [Kr]5s25d105p6 
A) [Kr]5s24d105p6 
B) [Kr]5s24d105p5 
C) [Kr]4d105p6 
D) [Kr]5s25p6 
E) [Kr]5s25d105p6

Question 20

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d7

Accepted Answer

A) Mo 
B) Tc 
C) Rh 
D) Ru 
E) Pd 
A) Mo 
B) Tc 
C) Rh 
D) Ru 
E) Pd

Exam 8: Periodic Properties of the Elements

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

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s13d10

Identify the most reactive alkali metal with water.

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

Identify a characteristic of halogens.

Why do successive ionization energies increase?

Describe the reaction of the noble gases with metals.

Place the following in order of decreasing metallic character. P As K

Identify the states of the halogens at room temperature.

Which reaction below represents the first ionization of O?

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

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

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

Identify the ground-state electron configuration for Sr.

Which ionization process requires the most energy?

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

How many unpaired electrons are present in the ground-state Ge atom?

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

Identify the ground-state electron configuration for I.

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d7

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]4s¹3d¹⁰

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

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s¹4d⁷