Question 1

_____ have no affinity for electrons.

Accepted Answer

A)   Transition metals
B)   s-block elements
C)   Main group nonmetals
D)   Noble gases
E)   Semiconductors

Question 2

What is a possible set of quantum numbers for an unpaired electron in the orbital box diagram below? s = +1/2 B)  n = 4,   = 2,   = -1,ms = -1/2 C)  n = 5,   = 2,   = -2,ms = +1/2 D)  n = 5,   = 0,   = 0,ms = -1/2 E)  n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   n = 1, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = 1, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = -1,ms = +1/2
B)   n = 4, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = 2, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = -1,ms = -1/2
C)   n = 5, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = 2, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = -2,ms = +1/2
D)   n = 5, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = 0, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = 0,ms = -1/2
E)   n = 5, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = 1, s = +1/2 
B)   n = 4,   = 2,   = -1,ms = -1/2 
C)   n = 5,   = 2,   = -2,ms = +1/2 
D)   n = 5,   = 0,   = 0,ms = -1/2 
E)   n = 5,   = 1,   = -1,ms = +1/2" class="answers-bank-image d-inline" rel="preload" > = -1,ms = +1/2

Question 3

Which element has the following ground state electron configuration?

Accepted Answer

A)   In
B)   Y
C)   Nb
D)   Tl
E)   Ga

Question 4

Which of the following orbital occupancy designations is incorrect?

Accepted Answer

A)   2s2
B)   3d6
C)   1s2
D)   4p3
E)   3d12

Question 5

Which of the following ions has the given ground state electron configuration? 2+ B)  Sr2+ C)  Zn2+ D)  Sn2+ E)  None of these" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   Cd2+
B)   Sr2+
C)   Zn2+
D)   Sn2+
E)   None of these

Question 6

A metal oxide forms when potassium reacts with oxygen.What is the most likely formula of this metal oxide?

Accepted Answer

A)   KO
B)   K2O
C)   K2O3
D)   KO2
E)   KO3

Question 7

The change in energy for the following reaction is referred to as the ____ for boron. B(g) + e- → B-(g)

Accepted Answer

A)   oxidation number
B)   electron affinity
C)   electronegativity energy
D)   first ionization energy
E)   second ionization energy

Question 8

Which atom has the ground state electronic configuration 1s22s22p63s23p64s23d3?

Accepted Answer

A)   Ga
B)   V
C)   As
D)   Nb
E)   none

Question 9

How many unpaired electrons are found in the ground state electron configuration of barium (ba) ?

Accepted Answer

A)   0
B)   1
C)   2
D)   3
E)   5

Question 10

Which of the following elements has the ground state electron configuration [Ar]3d104s1?

Accepted Answer

A)   Cu
B)   Zn
C)   Ge
D)   Ag
E)   Cd

Question 11

All of the following ground-state electron configurations are correct except

Accepted Answer

A)   V: [Ar]4s24d3
B)   K: [Ar]4s1
C)   Sb: [Kr]4d105s25p3
D)   Cr: [Ar]3d54s1
E)   Te: [Kr]4d105s25p4

Question 12

Which of the following orbital diagrams represents a paramagnetic atom? 1s 2s 2p
1)   2.  3.

Accepted Answer

A)   1 only
B)   2 only
C)   3 only
D)   1 and 2
E)   2 and 3

Question 13

Rank the following atoms in order decreasing atomic radii: Be,Be,Be,B.

Accepted Answer

A)   B > Be > Be > Be
B)   Be > B > Be > Be
C)   Be > Be > B > Be
D)   Be > Be > Be > B
E)   B > Be > Be > Be..

Question 14

Which of the following elements in its 1+ ionic state has the ground state electron configuration [Kr]4d10?

Accepted Answer

A)   Ru
B)   Au
C)   Ag
D)   In
E)   Cd

Question 15

How many electrons can be described by the quantum numbers n= 3 and l= 2?

Accepted Answer

A)   14
B)   6
C)   2
D)   18
E)   10 E

Question 16

________ rule states that the most stable arrangement of electrons is that which contains the maximum number of unpaired electrons,all with the same spin direction.

Accepted Answer

The answer of ________ rule states that the most stable...

Question 17

The ground-state electron configuration of a Ni2+ ion is 1s22s22p63s23p63d8 .Therefore,Ni2+ is

Accepted Answer

A)   paramagnetic with two unpaired electrons.
B)   diamagnetic.
C)   paramagnetic with one unpaired electron.
D)   paramagnetic with four unpaired electrons.
E)   paramagnetic with five unpaired electrons. A

Question 18

Which of the following electron configurations corresponds to the ground state of an atom of a transition element?

Accepted Answer

A)   1s22s22p1
B)   1s22s22p63s23p63d104s24p3
C)   1s22s22p63s23p63d14s2
D)   1s22s22p63s23p64s1
E)   1s22s22p63s23p4

Question 19

A metal phosphide forms when potassium reacts with elemental phosphorus.What is the most likely formula of this metal phosphide?

Accepted Answer

A)   KP
B)   K3P
C)   K2P3
D)   K3P2
E)   KP3 B

Question 20

What is the ground state electron configuration for Cr3+?

Accepted Answer

A)   [Ar]
B)   [Ar]3d74s2
C)   [Ar]3d14s2
D)   [Ar]3d24s1
E)   [Ar]3d3

Exam 8: The Structure of Atoms and Periodic Trends

_____ have no affinity for electrons.

Correct AnswerverifiedShow Answer

What is a possible set of quantum numbers for an unpaired electron in the orbital box diagram below?

Correct AnswerverifiedShow Answer

Which element has the following ground state electron configuration?

Correct AnswerverifiedShow Answer

Which of the following orbital occupancy designations is incorrect?

Correct AnswerverifiedShow Answer

Which of the following ions has the given ground state electron configuration?

Correct AnswerverifiedShow Answer

A metal oxide forms when potassium reacts with oxygen.What is the most likely formula of this metal oxide?

Correct AnswerverifiedShow Answer

The change in energy for the following reaction is referred to as the ____ for boron. B(g) + e- → B-(g)

Correct AnswerverifiedShow Answer

Which atom has the ground state electronic configuration 1s22s22p63s23p64s23d3?

Correct AnswerverifiedShow Answer

How many unpaired electrons are found in the ground state electron configuration of barium (ba) ?

Correct AnswerverifiedShow Answer

Which of the following elements has the ground state electron configuration [Ar]3d104s1?

Correct AnswerverifiedShow Answer

All of the following ground-state electron configurations are correct except

Correct AnswerverifiedShow Answer

Which of the following orbital diagrams represents a paramagnetic atom? 1s 2s 2p 1) 2. 3.

Correct AnswerverifiedShow Answer

Rank the following atoms in order decreasing atomic radii: Be,Be,Be,B.

Correct AnswerverifiedShow Answer

Which of the following elements in its 1+ ionic state has the ground state electron configuration [Kr]4d10?

Correct AnswerverifiedShow Answer

How many electrons can be described by the quantum numbers n= 3 and l= 2?

Correct AnswerverifiedE

________ rule states that the most stable arrangement of electrons is that which contains the maximum number of unpaired electrons,all with the same spin direction.

Correct AnswerverifiedShow Answer

The ground-state electron configuration of a Ni2+ ion is 1s22s22p63s23p63d8 .Therefore,Ni2+ is

Correct AnswerverifiedA

Which of the following electron configurations corresponds to the ground state of an atom of a transition element?

Correct AnswerverifiedShow Answer

A metal phosphide forms when potassium reacts with elemental phosphorus.What is the most likely formula of this metal phosphide?

Correct AnswerverifiedB

What is the ground state electron configuration for Cr3+?

Correct AnswerverifiedShow Answer

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The change in energy for the following reaction is referred to as the ____ for boron. B(g) + e^- → B^-(g)

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Which atom has the ground state electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d³?

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Which of the following elements has the ground state electron configuration [Ar]3d¹⁰4s¹?

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Which of the following elements in its 1+ ionic state has the ground state electron configuration [Kr]4d¹⁰?

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E

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The ground-state electron configuration of a Ni²⁺ ion is 1s²2s²2p⁶3s²3p⁶3d⁸ .Therefore,Ni²⁺ is

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A

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B

What is the ground state electron configuration for Cr³⁺?

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