Question 1

Choose the statement that is true.

Accepted Answer

A) Outer electrons efficiently shield one another from nuclear charge. 
B) Core electrons effectively shield outer electrons from nuclear charge. 
C) Valence electrons are most difficult of all electrons to remove. 
D) Core electrons are the easiest of all electrons to remove. 
E) All of the above are true. 
A) Outer electrons efficiently shield one another from nuclear charge. 
B) Core electrons effectively shield outer electrons from nuclear charge. 
C) Valence electrons are most difficult of all electrons to remove. 
D) Core electrons are the easiest of all electrons to remove. 
E) All of the above are true.

Question 2

Predict the charge for the most stable ion of nitrogen.

Accepted Answer

A) -3 
B) -2 
C) 1 
D) 0 
E) +3 
A) -3 
B) -2 
C) 1 
D) 0 
E) +3

Question 3

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 4

Which reaction below represents the electron affinity of Li?

Accepted Answer

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

Question 5

Give the ground state electron configuration for the ion of Ba.

Accepted Answer

A) [Kr] 5s2 5p6 
B) [Kr] 5s2 4d10 5p6 6s2 6p2 
C) [Kr] 5s2 4d10 5p6 6s1 
D) [Kr] 5s2 4d10 5p6 6s2 
E) [Kr] 5s2 4d10 5p6 
A) [Kr] 5s2 5p6 
B) [Kr] 5s2 4d10 5p6 6s2 6p2 
C) [Kr] 5s2 4d10 5p6 6s1 
D) [Kr] 5s2 4d10 5p6 6s2 
E) [Kr] 5s2 4d10 5p6

Question 6

Give the set of four quantum numbers that represent the last electron added (using the Aufbau principle)to the Zn atom.

Accepted Answer

A) n = 4,l = 3,ml = 3,ms = -   
B) n = 3,l = 2,ml = 2,ms = -   
C) n = 3,l = 1,ml = 1,ms = +   
D) n = 3,l = 3,ml = 2,ms = -   
E) n = 4,l = 2,ml = 0,ms = +   
A) n = 4,l = 3,ml = 3,ms = -   
B) n = 3,l = 2,ml = 2,ms = -   
C) n = 3,l = 1,ml = 1,ms = +   
D) n = 3,l = 3,ml = 2,ms = -   
E) n = 4,l = 2,ml = 0,ms = +

Question 7

Choose the ground state electron configuration for Hf2+.

Accepted Answer

A) [Xe]6s2 
B) [Xe]6s25d2 
C) [Xe]5d2 
D) [Xe] 
E) [Xe]6s25d4 
A) [Xe]6s2 
B) [Xe]6s25d2 
C) [Xe]5d2 
D) [Xe] 
E) [Xe]6s25d4

Question 8

Give the complete electronic configuration for Mn.

Accepted Answer

A) 1s2 2s2 2p6 3s2 3p6 4s2 4d5 
B) 1s2 2s2 2p6 3s2 3p6 4s1 3d6 
C) 1s2 2s2 2p6 3s2 3p6 4s2 3d5 
D) 1s2 2s2 2p6 3s2 3p6 4s2 4p5 
A) 1s2 2s2 2p6 3s2 3p6 4s2 4d5 
B) 1s2 2s2 2p6 3s2 3p6 4s1 3d6 
C) 1s2 2s2 2p6 3s2 3p6 4s2 3d5 
D) 1s2 2s2 2p6 3s2 3p6 4s2 4p5

Question 9

The condensed electron configuration of bromine,element 35,is ________.

Accepted Answer

A) [Kr] 4s2 3d7 
B) [Ar] 4s3 
C) [Kr] 4s4 3d7 
D) [Ar] 3d10 4s2 4p5 
E) [Ar] 4s4 3d3 
A) [Kr] 4s2 3d7 
B) [Ar] 4s3 
C) [Kr] 4s4 3d7 
D) [Ar] 3d10 4s2 4p5 
E) [Ar] 4s4 3d3

Question 10

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 11

Match the following.
-valence electrons

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 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

Refer to the figure.Place the following in order of increasing IE1.
K Ca Rb

Accepted Answer

A) Ca < K < Rb 
B) Rb < Ca < K 
C) Ca < Rb < K 
D) Rb < K < Ca 
E) K < Ca < Rb 
A) Ca < K < Rb 
B) Rb < Ca < K 
C) Ca < Rb < K 
D) Rb < K < Ca 
E) K < Ca < Rb

Question 14

No two electrons can have the same four quantum number is known as

Accepted Answer

A) Pauli exclusion principle. 
B) Hund's rule. 
C) Aufbau principle. 
D) Heisenberg uncertainty principle. 
A) Pauli exclusion principle. 
B) Hund's rule. 
C) Aufbau principle. 
D) Heisenberg uncertainty principle.

Question 15

Choose the paramagnetic species from below.

Accepted Answer

A) Ti4+ 
B) O 
C) Ar 
D) All of the above are paramagnetic. 
E) None of the above are paramagnetic. 
A) Ti4+ 
B) O 
C) Ar 
D) All of the above are paramagnetic. 
E) None of the above are paramagnetic.

Question 16

Why does the size of the transition elements stay roughly the same as you move across a period?

Accepted Answer

The electrons added as the transition el

Question 17

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Accepted Answer

A) (ns1) 
B) (ns2) 
C) (1s2 2s1) 
D) (1s2 2s2) 
A) (ns1) 
B) (ns2) 
C) (1s2 2s1) 
D) (1s2 2s2)

Question 18

Choose the valence orbital diagram that represents the ground state of Se2⁻.

Accepted Answer

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

Question 19

How many valence electrons do the halogens possess?

Accepted Answer

A) 5 
B) 6 
C) 2 
D) 1 
E) 7 
A) 5 
B) 6 
C) 2 
D) 1 
E) 7

Question 20

Give the ground state electron configuration for Cd+2.

Accepted Answer

Choose the statement that is true.

Predict the charge for the most stable ion of nitrogen.

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

Which reaction below represents the electron affinity of Li?

Give the ground state electron configuration for the ion of Ba.

Give the set of four quantum numbers that represent the last electron added (using the Aufbau principle)to the Zn atom.

Choose the ground state electron configuration for Hf²⁺.

Give the complete electronic configuration for Mn.

The condensed electron configuration of bromine,element 35,is ________.

How many valence electrons does an atom of Cu possess?

Match the following. -valence electrons

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

Refer to the figure.Place the following in order of increasing IE₁. K Ca Rb

No two electrons can have the same four quantum number is known as

Choose the paramagnetic species from below.

Why does the size of the transition elements stay roughly the same as you move across a period?

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Choose the valence orbital diagram that represents the ground state of Se²⁻.

How many valence electrons do the halogens possess?

Give the ground state electron configuration for Cd⁺².

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 statement that is true.

Predict the charge for the most stable ion of nitrogen.

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

Which reaction below represents the electron affinity of Li?

Give the ground state electron configuration for the ion of Ba.

Give the set of four quantum numbers that represent the last electron added (using the Aufbau principle)to the Zn atom.

Choose the ground state electron configuration for Hf2+.

Give the complete electronic configuration for Mn.

The condensed electron configuration of bromine,element 35,is ________.

How many valence electrons does an atom of Cu possess?

Match the following. -valence electrons

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

Refer to the figure.Place the following in order of increasing IE1. K Ca Rb

No two electrons can have the same four quantum number is known as

Choose the paramagnetic species from below.

Why does the size of the transition elements stay roughly the same as you move across a period?

What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals?

Choose the valence orbital diagram that represents the ground state of Se2⁻.

How many valence electrons do the halogens possess?

Give the ground state electron configuration for Cd+2.

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 Hf²⁺.

Refer to the figure.Place the following in order of increasing IE₁. K Ca Rb

Choose the valence orbital diagram that represents the ground state of Se²⁻.

Give the ground state electron configuration for Cd⁺².