Question 1

Choose the ground state electron configuration for Ti2+.

Accepted Answer

A) [Ar] 3d2 
B) [Ar] 4s2 
C) [Ar] 4s2 3d2 
D) [Ar] 4s2 3d4 
E) [Ar] 3d4 
A) [Ar] 3d2 
B) [Ar] 4s2 
C) [Ar] 4s2 3d2 
D) [Ar] 4s2 3d4 
E) [Ar] 3d4

Question 2

Match the following.
-number of unpaired electrons in CrS1U1P12+S1S1P0

Accepted Answer

A) 0 
B) 2 
C) electrons in the outermost shell 
D) 1 
E) electrons in completed shells 
A) 0 
B) 2 
C) electrons in the outermost shell 
D) 1 
E) electrons in completed shells

Question 3

Choose the ground state electron configuration for Zr2+.

Accepted Answer

A) [Kr] 5s2 
B) [Kr] 5s2 4d2 
C) [Kr] 4d2 
D) [Kr] 
E) [Kr] 5s2 4d4 
A) [Kr] 5s2 
B) [Kr] 5s2 4d2 
C) [Kr] 4d2 
D) [Kr] 
E) [Kr] 5s2 4d4

Question 4

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

Question 5

Which has the smallest radius?

Accepted Answer

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

Question 6

Which electrons experience the greatest effective nuclear charge?

Accepted Answer

A) the valence electrons of Li 
B) the valence electrons of Ne 
C) the valence electrons of F 
D) the valence electrons of N 
A) the valence electrons of Li 
B) the valence electrons of Ne 
C) the valence electrons of F 
D) the valence electrons of N

Question 7

Give the ground state electron configuration for I.

Accepted Answer

A) [Kr] 5s2 4d10 5p6 
B) [Kr] 5s2 4d10 5p5 
C) [Kr] 4d10 5p6 
D) [Kr] 5s2 5p6 
E) [Kr] 5s2 5d10 5p6 
A) [Kr] 5s2 4d10 5p6 
B) [Kr] 5s2 4d10 5p5 
C) [Kr] 4d10 5p6 
D) [Kr] 5s2 5p6 
E) [Kr] 5s2 5d10 5p6

Question 8

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 9

Why do Li,Na,and K have similar chemical properties?

Accepted Answer

They are in the same

Question 10

Choose the ground state electron configuration for Cr3+.

Accepted Answer

A) [Ar] 4s1 3d2 
B) [Ar] 
C) [Ar] 4s2 3d6 
D) [Ar] 3d3 
E) [Ar] 4s2 3d1 
A) [Ar] 4s1 3d2 
B) [Ar] 
C) [Ar] 4s2 3d6 
D) [Ar] 3d3 
E) [Ar] 4s2 3d1

Question 11

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 12

Which has the lowest first ionization energy?

Accepted Answer

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

Question 13

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 14

Choose the valence orbital diagram that represents the Si.

Accepted Answer

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

Question 15

Which has the largest atomic radius?

Accepted Answer

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

Question 16

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 17

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 18

Give the number of valence electrons for Cl.

Accepted Answer

A) 8 
B) 6 
C) 5 
D) 3 
E) 7 
A) 8 
B) 6 
C) 5 
D) 3 
E) 7

Question 19

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 20

Which has the highest first ionization energy?

Accepted Answer

A) Na 
B) Mg 
C) S 
D) Si 
A) Na 
B) Mg 
C) S 
D) Si

Choose the ground state electron configuration for Ti²⁺.

Match the following. -number of unpaired electrons in Cr²⁺

Choose the ground state electron configuration for Zr²⁺.

How many valence electrons does an atom of Ba possess?

Which has the smallest radius?

Which electrons experience the greatest effective nuclear charge?

Give the ground state electron configuration for I.

Which ionization process requires the most energy?

Why do Li,Na,and K have similar chemical properties?

Choose the ground state electron configuration for Cr³⁺.

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

Which has the lowest first ionization energy?

How many valence electrons does an atom of S have?

Choose the valence orbital diagram that represents the Si.

Which has the largest atomic radius?

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

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

Give the number of valence electrons for Cl.

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

Which has the highest first ionization energy?

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Exam 8: Periodic Properties of the Elements

Choose the ground state electron configuration for Ti2+.

Match the following. -number of unpaired electrons in Cr2+

Choose the ground state electron configuration for Zr2+.

How many valence electrons does an atom of Ba possess?

Which has the smallest radius?

Which electrons experience the greatest effective nuclear charge?

Give the ground state electron configuration for I.

Which ionization process requires the most energy?

Why do Li,Na,and K have similar chemical properties?

Choose the ground state electron configuration for Cr3+.

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

Which has the lowest first ionization energy?

How many valence electrons does an atom of S have?

Choose the valence orbital diagram that represents the Si.

Which has the largest atomic radius?

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

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

Give the number of valence electrons for Cl.

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

Which has the highest first ionization energy?

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Choose the ground state electron configuration for Ti²⁺.

Match the following. -number of unpaired electrons in Cr²⁺

Choose the ground state electron configuration for Zr²⁺.

Choose the ground state electron configuration for Cr³⁺.

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