Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

Select the most basic compound from the following.

Accepted Answer

A)  Bi2O3
B)  SiO2
C)  Cs2O
D)  Na2O
E)  H2OF) None of the above
G) B) and D)

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 leftF) C) and E)
G) A) and C)

Question 5

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

Accepted Answer

a.1s²2s²2p⁶3s...

Question 6

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

Accepted Answer

A)  Si
B)  Sr
C)  Ga
D)  Cs
E)  SF) C) and D)
G) A) and E)

Question 7

"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.F) C) and D)
G) A) and E)

Question 8

Select the diamagnetic ion.

Accepted Answer

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

Question 9

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 10

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

Exam 8: Electron Configuration and Chemical Periodicity

"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

Correct Answer
verified

Select the diamagnetic ion.

Correct Answer
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Select the most basic compound from the following.

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

Correct Answer
verified

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

Correct Answer
verified
Electrons occupy orbitals within the sam...
View Answer

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

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

Correct Answer
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a.1s²2s²2p⁶3s...
View Answer

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

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

Correct Answer
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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 = + .

Correct Answer
verified

Exam 8: Electron Configuration and Chemical Periodicity

"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

Correct AnswerverifiedShow Answer

Select the diamagnetic ion.

Correct AnswerverifiedShow Answer

Select the most basic compound from the following.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedElectrons occupy orbitals within the sam...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct Answerverifieda.1s22s22p63s...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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 = + .

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Electrons occupy orbitals within the sam...
View Answer

Correct Answer
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Correct Answer
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a.1s²2s²2p⁶3s...
View Answer

Correct Answer
verified

Correct Answer
verified

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 = + .

Correct Answer
verified