Question 1

How many valence electrons does a carbon atom have?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 6 
A) 1 
B) 2 
C) 3 
D) 4 
E) 6

Question 2

If the radius of atom X is greater than the radius of atom Y,then it is also likely that

Accepted Answer

A) X has a larger electron affinity than Y does. 
B) X has a larger effective nuclear charge than Y does. 
C) X has greater metallic character than Y does. 
D) X has a larger first ionization energy than Y does. 
E) X is a poorer conductor of electricity than Y when in the solid state. 
A) X has a larger electron affinity than Y does. 
B) X has a larger effective nuclear charge than Y does. 
C) X has greater metallic character than Y does. 
D) X has a larger first ionization energy than Y does. 
E) X is a poorer conductor of electricity than Y when in the solid state.

Question 3

Which one of these elements is a transition element?

Accepted Answer

A) Nickel 
B) Tin 
C) Sodium 
D) Sulfur 
E) Calcium 
A) Nickel 
B) Tin 
C) Sodium 
D) Sulfur 
E) Calcium

Question 4

Which element would be expected to have properties similar to antimony?

Accepted Answer

A) Se 
B) Sn 
C) P 
D) As 
E) Pb 
A) Se 
B) Sn 
C) P 
D) As 
E) Pb

Question 5

Explain what is meant by a diagonal relationship in the periodic table and give an example.

Accepted Answer

A diagonal relationship refers

Question 6

Which of these elements exhibits chemical behavior similar to that of oxygen?

Accepted Answer

A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron 
A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron

Question 7

Which element in Group 6A has the highest electron affinity?

Accepted Answer

A) O 
B) S 
C) Se 
D) Te 
E) Po 
A) O 
B) S 
C) Se 
D) Te 
E) Po

Question 8

Atomic size decreases across a period due to an increase in the effective nuclear charge,Zeff.

Accepted Answer

A) True 
 B)False

Question 9

An isoelectronic series is

Accepted Answer

A) a series that has two or more species that have identical nuclear charges,but have different electron configurations. 
B) a series that has the same ionization potentials. 
C) a series that can have only up to three species and have similar electron configuration and similar nuclear charges. 
D) a series that has two or more species that have identical electron configurations,but different nuclear charges. 
E) a series that has the same nuclear charge. 
A) a series that has two or more species that have identical nuclear charges,but have different electron configurations. 
B) a series that has the same ionization potentials. 
C) a series that can have only up to three species and have similar electron configuration and similar nuclear charges. 
D) a series that has two or more species that have identical electron configurations,but different nuclear charges. 
E) a series that has the same nuclear charge.

Question 10

Which of these elements has the greatest electron affinity?

Accepted Answer

A) K 
B) Br 
C) As 
D) Ar 
E) I 
A) K 
B) Br 
C) As 
D) Ar 
E) I

Question 11

Which of these atoms has the largest radius?

Accepted Answer

A) B 
B) Ga 
C) Br 
D) Si 
E) Cl 
A) B 
B) Ga 
C) Br 
D) Si 
E) Cl

Question 12

Which ion is isoelectronic with Ar?

Accepted Answer

A) Fe2+ 
B) F- 
C) Br- 
D) Ga3+ 
E) Ca2+ 
A) Fe2+ 
B) F- 
C) Br- 
D) Ga3+ 
E) Ca2+

Question 13

Coulomb's law is the attractive force (F)between two oppositely charged particles (Q1 and Q2).It is directly proportional to the product of the charges and inversely proportional to the distance (d)between the objects cubed.

Accepted Answer

A) True 
 B)False

Question 14

Select the element with the greatest metallic character.

Accepted Answer

A) Li 
B) Ca 
C) Al 
D) Pb 
E) Cs 
A) Li 
B) Ca 
C) Al 
D) Pb 
E) Cs

Question 15

Which member of the halogen family has the largest first ionization potential (energy)?

Accepted Answer

The answer of Which member of the halogen family has...

Question 16

In neutral atoms,the 3d orbitals have higher energy than the 4s orbitals.

Accepted Answer

A) True 
 B)False

Question 17

Which one of these ions has the smallest radius?

Accepted Answer

A) Cl- 
B) K+ 
C) S2- 
D) Na+ 
E) O2- 
A) Cl- 
B) K+ 
C) S2- 
D) Na+ 
E) O2-

Question 18

What is the definition of electron affinity?

Accepted Answer

The energy released (the negat

Question 19

Elements with ________________ first ionization energies and ___________ electron affinities generally form cations.

Accepted Answer

A) low,very negative 
B) high,positive or slightly negative 
C) low,positive or slightly negative 
D) high,very negative 
E) None of these is generally correct. 
A) low,very negative 
B) high,positive or slightly negative 
C) low,positive or slightly negative 
D) high,very negative 
E) None of these is generally correct.

Question 20

What two 19th century scientists created the modern periodic table?

Accepted Answer

Dmitri Men

Exam 7: Electron Configuration and the Periodic Table

How many valence electrons does a carbon atom have?

If the radius of atom X is greater than the radius of atom Y,then it is also likely that

Which one of these elements is a transition element?

Which element would be expected to have properties similar to antimony?

Explain what is meant by a diagonal relationship in the periodic table and give an example.

Which of these elements exhibits chemical behavior similar to that of oxygen?

Which element in Group 6A has the highest electron affinity?

Atomic size decreases across a period due to an increase in the effective nuclear charge,Zeff.

An isoelectronic series is

Which of these elements has the greatest electron affinity?

Which of these atoms has the largest radius?

Which ion is isoelectronic with Ar?

Coulomb's law is the attractive force (F)between two oppositely charged particles (Q1 and Q2).It is directly proportional to the product of the charges and inversely proportional to the distance (d)between the objects cubed.

Select the element with the greatest metallic character.

Which member of the halogen family has the largest first ionization potential (energy)?

In neutral atoms,the 3d orbitals have higher energy than the 4s orbitals.

Which one of these ions has the smallest radius?

What is the definition of electron affinity?

Elements with ________________ first ionization energies and ___________ electron affinities generally form cations.

What two 19th century scientists created the modern periodic table?

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

Elements with ______ first ionization energies and _ electron affinities generally form cations.