Question 1

How many unpaired electrons does the ground state of S have?

Accepted Answer

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

Question 2

Exhibit 8-1 The following question(s) relate to the diagram below:
 
Refer to Exhibit 8-1. The three quantum numbers that describe the orbital labeled B are:

Accepted Answer

A)  n = 1,   = 1,   = 1 
B)  n = 2,   = 2,   = 2 
C)  n = 2,   = 1,   = - 1 
D)  n = 2,   = 0,   = 0 
E)  none of these 
A)  n = 1,   = 1,   = 1 
B)  n = 2,   = 2,   = 2 
C)  n = 2,   = 1,   = - 1 
D)  n = 2,   = 0,   = 0 
E)  none of these

Question 3

Given the three statements below, pick the best answer.
I. Be is larger than Li
II. Be+ is larger than Li
III. O2 -  is larger than F -

Accepted Answer

A)  I and II are true, III is false 
B)  only III is true 
C)  I and III are true, II is false 
D)  II and III are true, I is false 
E)  all three are false 
A)  I and II are true, III is false 
B)  only III is true 
C)  I and III are true, II is false 
D)  II and III are true, I is false 
E)  all three are false

Question 4

How many valence electrons does a silicon atom possess?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  14 
E)  16 
A)  2 
B)  4 
C)  6 
D)  14 
E)  16

Question 5

Given the three statements below, pick the best answer.
I. The Zeff for the highest energy electron in Be is higher than the Zeff for the highest energy electron for N.
II. The second ionization energy for Mg is greater than the first ionization energy of Na.
III. The species O2 - , Ne, and Na are isoelectronic.

Accepted Answer

A)  only I is true 
B)  only II is true 
C)  II and III are true, I is false 
D)  I and III are true, II is false 
E)  I and II are true, III is false 
A)  only I is true 
B)  only II is true 
C)  II and III are true, I is false 
D)  I and III are true, II is false 
E)  I and II are true, III is false

Question 6

Arrange the following elements in order of increasing ionization energy. O, Mg, He

Accepted Answer

A)  (lowest I
E)  O < Mg < He (highest I
E)  
B)  (lowest I
E)  O < He < Mg (highest I
E)  
C)  (lowest I
E)  He < O < Mg (highest I
E)  
D)  (lowest I
E)  He < Mg < O (highest I
E)  
E)  (lowest I
E)  Mg < O < He (highest I
E)  
A)  (lowest I
E)  O < Mg < He (highest I
E)  
B)  (lowest I
E)  O < He < Mg (highest I
E)  
C)  (lowest I
E)  He < O < Mg (highest I
E)  
D)  (lowest I
E)  He < Mg < O (highest I
E)  
E)  (lowest I
E)  Mg < O < He (highest I
E)

Question 7

What is the value of n (principal quantum number) for a valence electron in a ground state Ca atom?

Accepted Answer

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

Question 8

Three series of atoms are listed below in order of increasing size. Pick the best answer.
I. Li
II. B
III. Cl

Accepted Answer

A)  I and II are correct, III is not 
B)  I and III are correct, II is not 
C)  II and III are correct, I is not 
D)  all three are correct 
E)  only III is correct 
A)  I and II are correct, III is not 
B)  I and III are correct, II is not 
C)  II and III are correct, I is not 
D)  all three are correct 
E)  only III is correct

Question 9

Which one of the following has the largest atomic radius ?

Accepted Answer

A)  S2 -  
B)  Ca2+ 
C)  Cl1 -  
D)  Ar 
E)  K1+ 
A)  S2 -  
B)  Ca2+ 
C)  Cl1 -  
D)  Ar 
E)  K1+

Question 10

Which species below is largest?

Accepted Answer

A)  Cl 
B)  S2 -  
C)  K+ 
D)  S 
E)  Cl -  
A)  Cl 
B)  S2 -  
C)  K+ 
D)  S 
E)  Cl -

Question 11

What are the valence electrons for Ge?

Accepted Answer

A)  4s23d104p2 
B)  3s23p2 
C)  4s23d10 
D)  4s24p2 
E)  none of these 
A)  4s23d104p2 
B)  3s23p2 
C)  4s23d10 
D)  4s24p2 
E)  none of these

Question 12

The ground state electron configuration of Co3+ is:

Accepted Answer

A)  1s22s22p63s23p64s23d4 
B)  1s22s22p63s23p63d5 
C)  1s22s22p63s23p63d4 
D)  1s22s22p63s23p63d6 
E)  none of these 
A)  1s22s22p63s23p64s23d4 
B)  1s22s22p63s23p63d5 
C)  1s22s22p63s23p63d4 
D)  1s22s22p63s23p63d6 
E)  none of these

Question 13

Based upon the electron affinity trend, which group of atoms is most likely to acquire an additional electron?

Accepted Answer

A)  Halogens 
B)  Chalcogens 
C)  Noble Gases 
D)  Alkali Metals 
E)  Alkaline Earth Metals 
A)  Halogens 
B)  Chalcogens 
C)  Noble Gases 
D)  Alkali Metals 
E)  Alkaline Earth Metals

Question 14

What is the highest energy subshell that is occupied in the ground state of an atom of Bi (at. no. = 83)?

Accepted Answer

A)  5p 
B)  5d 
C)  5f 
D)  6p 
E)  none of these 
A)  5p 
B)  5d 
C)  5f 
D)  6p 
E)  none of these

Question 15

Arrange the elements Al, Na, and P in order of increasing atomic radii based upon their position on the periodic table.

Accepted Answer

A)  Al < Na < P 
B)  Na < Al < P 
C)  P < Al < Na 
D)  P < Na < Al 
E)  Na < P < Al 
A)  Al < Na < P 
B)  Na < Al < P 
C)  P < Al < Na 
D)  P < Na < Al 
E)  Na < P < Al

Question 16

How many unpaired electrons does the ground state of the species Al+ have?

Accepted Answer

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

Question 17

Which series shown below is correctly arranged in order of increasing ionization energy?

Accepted Answer

A)  Na < Al < Cl < Si 
B)  Cl < Si < Al < Na 
C)  Li < B < N < F 
D)  In < Te < Rb < I 
E)  none of these 
A)  Na < Al < Cl < Si 
B)  Cl < Si < Al < Na 
C)  Li < B < N < F 
D)  In < Te < Rb < I 
E)  none of these

Question 18

Given the three statements below, pick the best answer.
I. For the H atom, the energy states are dependent only on n.
II. Knowing the values of n,   ,   specifies an orbital.
III. The highest energy electron for a K atom is located in a 4s orbital.

Accepted Answer

A)  I and II are true, III is not 
B)  II and III are true, I is not 
C)  I and III are true, II is not 
D)  all three are true 
E)  only II is true 
A)  I and II are true, III is not 
B)  II and III are true, I is not 
C)  I and III are true, II is not 
D)  all three are true 
E)  only II is true

Question 19

Which of the following series of atoms are arranged in order of decreasing size?

Accepted Answer

A)  K > Ga > In 
B)  Cl > Br > Kr 
C)  Li > Mg > Ca 
D)  H > He > Li 
E)  none of these 
A)  K > Ga > In 
B)  Cl > Br > Kr 
C)  Li > Mg > Ca 
D)  H > He > Li 
E)  none of these

Question 20

Which element listed below has the most exothermic electron affinity?

Accepted Answer

A)  Sn 
B)  Sb 
C)  Te 
D)  I 
E)  none of these 
A)  Sn 
B)  Sb 
C)  Te 
D)  I 
E)  none of these

Exam 8: The Periodic Table: Structure and Trends

How many unpaired electrons does the ground state of S have?

Exhibit 8-1 The following question(s) relate to the diagram below: Refer to Exhibit 8-1. The three quantum numbers that describe the orbital labeled B are:

Given the three statements below, pick the best answer. I. Be is larger than Li II. Be+ is larger than Li III. O2 - is larger than F -

How many valence electrons does a silicon atom possess?

Arrange the following elements in order of increasing ionization energy. O, Mg, He

What is the value of n (principal quantum number) for a valence electron in a ground state Ca atom?

Three series of atoms are listed below in order of increasing size. Pick the best answer. I. Li II. B III. Cl

Which one of the following has the largest atomic radius ?

Which species below is largest?

What are the valence electrons for Ge?

The ground state electron configuration of Co3+ is:

Based upon the electron affinity trend, which group of atoms is most likely to acquire an additional electron?

What is the highest energy subshell that is occupied in the ground state of an atom of Bi (at. no. = 83)?

Arrange the elements Al, Na, and P in order of increasing atomic radii based upon their position on the periodic table.

How many unpaired electrons does the ground state of the species Al+ have?

Which series shown below is correctly arranged in order of increasing ionization energy?

Given the three statements below, pick the best answer. I. For the H atom, the energy states are dependent only on n. II. Knowing the values of n, , specifies an orbital. III. The highest energy electron for a K atom is located in a 4s orbital.

Which of the following series of atoms are arranged in order of decreasing size?

Which element listed below has the most exothermic electron affinity?

Introduction to Chemistry

Atoms, Molecules, and Ions

Equations, the Mole, and Chemical Formulas

Chemical Reactions in Solution

Thermochemistry

The Gaseous State

Electronic Structure

Chemical Bonds

Molecular Structure and Bonding Theories

Liquids and Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Solutions of Acids and Bases

Reactions Between Acids and Bases

Chemical Thermodynamics

Electrochemistry

Transition Metals, Coordination Chemistry and Metallurgy

The Chemistry of Hydrogen, Elements in Groups 3A Through 6A, and the Noble Gases

Nuclear Chemistry

Organic Chemistry and Biochemistry

Filters

Given the three statements below, pick the best answer. I. Be is larger than Li II. Be⁺ is larger than Li III. O^{2 -} is larger than F^-

The ground state electron configuration of Co³⁺ is:

How many unpaired electrons does the ground state of the species Al⁺ have?