Question 1

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

Accepted Answer

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

Question 2

Identify the element that has a ground-state electronic configuration of [Kr]5s24d5.

Accepted Answer

A) Tc 
B) Mn 
C) Nb 
D) Ru 
A) Tc 
B) Mn 
C) Nb 
D) Ru

Question 3

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

Accepted Answer

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

Question 4

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d4

Accepted Answer

A) Ti 
B) Zr 
C) Nb 
D) W 
E) Mn 
A) Ti 
B) Zr 
C) Nb 
D) W 
E) Mn

Question 5

Which reaction below represents the second ionization of Sr?

Accepted Answer

A) Sr(g)→ Sr⁺(g)+ e⁻ 
B) Sr2⁺(g)+ e⁻ → Sr⁺(g) 
C) Sr⁺(g)+ e⁻ → Sr(g) 
D) Sr⁻(g)+ e⁻ → Sr2⁻(g) 
E) Sr⁺(g)→ Sr2⁺(g)+ e⁻ 
A) Sr(g)→ Sr⁺(g)+ e⁻ 
B) Sr2⁺(g)+ e⁻ → Sr⁺(g) 
C) Sr⁺(g)+ e⁻ → Sr(g) 
D) Sr⁻(g)+ e⁻ → Sr2⁻(g) 
E) Sr⁺(g)→ Sr2⁺(g)+ e⁻

Question 6

How many valence shell electrons does an atom of boron have?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
E) 13 
A) 1 
B) 2 
C) 3 
D) 5 
E) 13

Question 7

How many of the following elements have one unpaired electron in the ground state? B Al S Cl

Accepted Answer

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

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

Identify the element that has a ground-state electronic configuration of [Kr]5s²4d⁵.

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

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s¹4d⁴

Which reaction below represents the second ionization of Sr?

How many valence shell electrons does an atom of boron have?

How many of the following elements have one unpaired electron in the ground state? B Al S Cl

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

Exam 8: Periodic Properties of the Elements

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

Identify the element that has a ground-state electronic configuration of [Kr]5s24d5.

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

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s14d4

Which reaction below represents the second ionization of Sr?

How many valence shell electrons does an atom of boron have?

How many of the following elements have one unpaired electron in the ground state? B Al S Cl

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

Identify the element that has a ground-state electronic configuration of [Kr]5s²4d⁵.

Using the periodic table, identify the element with the following exception electron configuration: [Kr]5s¹4d⁴