Question 1

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

Accepted Answer

Dmitri Men...

Question 2

Which of these elements has the greatest electron affinity?

Accepted Answer

A)  K
B)  Br
C)  As
D)  Ar
E)  IF) B) and E)
G) B) and D)

Question 3

Which one of these ions has the smallest radius?

Accepted Answer

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

Question 4

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

Accepted Answer

A)  magnesium
B)  sodium
C)  sulfur
D)  chlorine
E)  ironF) B) and E)
G) A) and B)

Question 5

Which one of these elements is a transition element?

Accepted Answer

A)  Nickel
B)  Tin
C)  Sodium
D)  Sulfur
E)  CalciumF) None of the above
G) A) and B)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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.F) D) and E)
G) A) and B)

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

Select the element with the greatest metallic character.

Accepted Answer

A)  Li
B)  Ca
C)  Al
D)  Pb
E)  CsF) B) and E)
G) A) and C)

Question 10

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.F) A) and B)
G) A) and C)

Question 11

How many valence electrons does a carbon atom have?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  6F) B) and D)
G) B) and E)

Question 12

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

Accepted Answer

A)  O
B)  S
C)  Se
D)  Te
E)  PoF) A) and B)
G) All of the above

Question 13

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.F) A) and D)
G) B) and C)

Question 14

Which ion is isoelectronic with Ar?

Accepted Answer

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

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

Which of these atoms has the largest radius?

Accepted Answer

A)  B
B)  Ga
C)  Br
D)  Si
E)  ClF) A) and E)
G) C) and D)

Question 17

What is the definition of electron affinity?

Accepted Answer

The energy released (the negat...

Question 18

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

Accepted Answer

A diagonal relationship refers...

Question 19

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

Accepted Answer

A)  Se
B)  Sn
C)  P
D)  As
E)  PbF) B) and D)
G) None of the above

Question 20

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

Exam 7: Electron Configuration and the Periodic Table

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA diagonal relationship refers...View AnswerShow Answer

How many valence electrons does a carbon atom have?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedDmitri Men...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

What is the definition of electron affinity?

Correct AnswerverifiedThe energy released (the negat...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Select the element with the greatest metallic character.

Correct AnswerverifiedShow Answer

Which of these elements has the greatest electron affinity?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which one of these ions has the smallest radius?

Correct AnswerverifiedShow Answer

An isoelectronic series is

Correct AnswerverifiedShow Answer

Which of these atoms has the largest radius?

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Which one of these elements is a transition element?

Correct AnswerverifiedShow Answer

Which ion is isoelectronic with Ar?

Correct AnswerverifiedShow Answer

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

Correct Answer
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A diagonal relationship refers...
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Dmitri Men...
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The energy released (the negat...
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