Question 1

The dot and cross diagram for ammonia (NH3) predicts that the shape at nitrogen is linear.

Accepted Answer

A) True 
 B)False

Question 2

For a homonuclear diatomic, the bond length is _____the distance of the atomic radius.

Accepted Answer

The answer of For a homonuclear diatomic, the bond length...

Question 3

How do the bond enthalpies and bond lengths for the homonuclear diatomics, H2, Li2, Na2 and K2 change as the group is descended?

Accepted Answer

A)   Bond lengths increase and bond enthalpies increase.
B)   Bond lengths increase and bond enthalpies decrease.
C)   Bond lengths decrease and bond enthalpies increase.
D)   Bond lengths decrease and bond enthalpies decrease.E) A) and C)
F) A) and B)

Question 4

Which of the following statements relating to the diagram of CO are true? Please select all that apply.

Accepted Answer

A)   Adding electrons to form an anion will lower the bond order.
B)   CO is paramagnetic.
C)   Adding electrons to form an anion will increase the bond order.
D)   CO is diamagnetic.E) A) and D)
F) B) and D)

Question 5

According to Lewis theory, a nitrogen atom in N2 must share _ electrons to form a stable configuration.

Accepted Answer

Question 6

Taking z as the internuclear axis, how would the orbital formed from the bonding combination of two dz2 orbitals be labelled?

Accepted Answer

A)   σu
B)   σg
C)   πg
D)   πuE) C) and D)
F) None of the above

Question 7

A σ (sigma) orbital has __________ symmetry about the internuclear axis.

Accepted Answer

The answer of A σ (sigma) orbital has __________ symmetry...

Exam 4: Diatomic Molecules

The dot and cross diagram for ammonia (NH₃) predicts that the shape at nitrogen is linear.

Correct Answer
verified

Which of the following statements relating to the diagram of CO are true? Please select all that apply.

Correct Answer
verified

A σ (sigma) orbital has __________ symmetry about the internuclear axis.

Correct Answer
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How do the bond enthalpies and bond lengths for the homonuclear diatomics, H₂, Li₂, Na₂ and K₂ change as the group is descended?

Correct Answer
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According to Lewis theory, a nitrogen atom in N₂ must share _ electrons to form a stable configuration.

Correct Answer
verified

For a homonuclear diatomic, the bond length is _____the distance of the atomic radius.

Correct Answer
verified

Taking z as the internuclear axis, how would the orbital formed from the bonding combination of two d_z² orbitals be labelled?

Correct Answer
verified

Exam 4: Diatomic Molecules

The dot and cross diagram for ammonia (NH3) predicts that the shape at nitrogen is linear.

Correct AnswerverifiedShow Answer

Which of the following statements relating to the diagram of CO are true? Please select all that apply.

Correct AnswerverifiedShow Answer

A σ (sigma) orbital has __________ symmetry about the internuclear axis.

Correct AnswerverifiedShow Answer

How do the bond enthalpies and bond lengths for the homonuclear diatomics, H2, Li2, Na2 and K2 change as the group is descended?

Correct AnswerverifiedShow Answer

According to Lewis theory, a nitrogen atom in N2 must share _ electrons to form a stable configuration.

Correct AnswerverifiedShow Answer

For a homonuclear diatomic, the bond length is _____the distance of the atomic radius.

Correct AnswerverifiedShow Answer

Taking z as the internuclear axis, how would the orbital formed from the bonding combination of two dz2 orbitals be labelled?

Correct AnswerverifiedShow Answer

The dot and cross diagram for ammonia (NH₃) predicts that the shape at nitrogen is linear.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How do the bond enthalpies and bond lengths for the homonuclear diatomics, H₂, Li₂, Na₂ and K₂ change as the group is descended?

Correct Answer
verified

According to Lewis theory, a nitrogen atom in N₂ must share _ electrons to form a stable configuration.

Correct Answer
verified

Correct Answer
verified

Taking z as the internuclear axis, how would the orbital formed from the bonding combination of two d_z² orbitals be labelled?

Correct Answer
verified