Question 1

Select the most basic compound from the following.

Accepted Answer

A) Bi2O3 
B) SiO2 
C) Cs2O 
D) Na2O 
E) H2O 
A) Bi2O3 
B) SiO2 
C) Cs2O 
D) Na2O 
E) H2O

Question 2

What is the correct order of decreasing size of the following ions?

Accepted Answer

A) P3- > Cl- > K+ > Ca2+ 
B) Ca2+ > K+ > Cl- > P3- 
C) K+ > Cl- > Ca2+ > P3- 
D) K+ > Cl- > P3- > Ca2+ 
E) None of these is correct. 
A) P3- > Cl- > K+ > Ca2+ 
B) Ca2+ > K+ > Cl- > P3- 
C) K+ > Cl- > Ca2+ > P3- 
D) K+ > Cl- > P3- > Ca2+ 
E) None of these is correct.

Question 3

Write down the full electron configuration for ground state atoms of
a.S (element 16).
b.Pd (element 46).

Accepted Answer

a.1s²2s²2p⁶3s

Question 4

The most basic oxides are formed from elements found in the __________________ region of the periodic table.

Accepted Answer

A) upper right 
B) upper left 
C) center 
D) lower right 
E) lower left 
A) upper right 
B) upper left 
C) center 
D) lower right 
E) lower left

Question 5

Which of the following elements will form a cation with a +2 charge?

Accepted Answer

A) Si 
B) Sr 
C) Ga 
D) Cs 
E) S 
A) Si 
B) Sr 
C) Ga 
D) Cs 
E) S

Question 6

First ionization energies of neutral atoms may be positive or negative.

Accepted Answer

A) True 
 B)False

Question 7

Select the diamagnetic ion.

Accepted Answer

A) Cu2+ 
B) Ni2+ 
C) Cr3+ 
D) Sc3+ 
E) Cr2+ 
A) Cu2+ 
B) Ni2+ 
C) Cr3+ 
D) Sc3+ 
E) Cr2+

Question 8

State Hund's rule,and show how it applies to the ground state of phosphorus atoms.

Accepted Answer

Electrons occupy orbitals within the sam

Question 9

"Electrons added to atomic orbitals of the same energy will remain unpaired with parallel spins until the subshell is more than half-filled" is a statement of

Accepted Answer

A) the aufbau principle. 
B) Hund's rule. 
C) the Pauli exclusion principle. 
D) the periodic law. 
E) the singularity rule. 
A) the aufbau principle. 
B) Hund's rule. 
C) the Pauli exclusion principle. 
D) the periodic law. 
E) the singularity rule.

Question 10

In a single atom,write down the maximum possible number of electrons
a.with n = 3.
b.with the designation 4dxy.
c.with n = 5,l = 3,ms = +   
.

Accepted Answer

Select the most basic compound from the following.

What is the correct order of decreasing size of the following ions?

Write down the full electron configuration for ground state atoms of a.S (element 16). b.Pd (element 46).

The most basic oxides are formed from elements found in the __________________ region of the periodic table.

Which of the following elements will form a cation with a +2 charge?

First ionization energies of neutral atoms may be positive or negative.

Select the diamagnetic ion.

State Hund's rule,and show how it applies to the ground state of phosphorus atoms.

"Electrons added to atomic orbitals of the same energy will remain unpaired with parallel spins until the subshell is more than half-filled" is a statement of

In a single atom,write down the maximum possible number of electrons a.with n = 3. b.with the designation 4d_xy. c.with n = 5,l = 3,m_s = + .

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 8: Electron Configuration and Chemical Periodicity

Select the most basic compound from the following.

What is the correct order of decreasing size of the following ions?

Write down the full electron configuration for ground state atoms of a.S (element 16). b.Pd (element 46).

The most basic oxides are formed from elements found in the __________________ region of the periodic table.

Which of the following elements will form a cation with a +2 charge?

First ionization energies of neutral atoms may be positive or negative.

Select the diamagnetic ion.

State Hund's rule,and show how it applies to the ground state of phosphorus atoms.

"Electrons added to atomic orbitals of the same energy will remain unpaired with parallel spins until the subshell is more than half-filled" is a statement of

In a single atom,write down the maximum possible number of electrons a.with n = 3. b.with the designation 4dxy. c.with n = 5,l = 3,ms = + .

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

In a single atom,write down the maximum possible number of electrons a.with n = 3. b.with the designation 4d_xy. c.with n = 5,l = 3,m_s = + .