Question 1

Which of the following atoms is the least electronegative?

Accepted Answer

A)   P
B)   Na
C)   I
D)   B
E)   O

Question 2

Draw a 2p orbital.

Accepted Answer

The answer of Draw a 2p orbital....

Question 3

Expand the condensed structure shown below to show the covalent bonds and the lone-pair electrons. $$\left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCH } _ { 2 } \mathrm { CHO }$$

Accepted Answer

The answer of Expand the condensed structure shown below to...

Question 4

How many nonbonding pairs of electrons are H2NOH

Accepted Answer

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

Question 5

Which of the following compounds have bonds that are predominantly ionic?

Accepted Answer

A)   KCl
B)   CF4
C)   NH3
D)   both A and B
E)   both B and C A

Question 6

The lone-pair electrons of the methyl anion occupy a(n)  ________ orbital.

Accepted Answer

A)    s 
B)    p 
C)    sp 
D)   sp2
E)   sp3

Question 7

Draw the structure of a compound that contains only carbon and hydrogen atoms and that has two sp2 carbons and one sp carbon.

Accepted Answer

Question 8

What element is represented by the following electronic configuration?  1s22s22p51 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 5 }1s22s22p5

Accepted Answer

A)   F
B)   C
C)   N
D)   Al
E)   O

Question 9

What is the hybridizations of the carbons, going from left to right, in $\mathrm { CH } _ { 3 } \mathrm { CH } = \mathrm { CHCl } $

Accepted Answer

sp³, sp², sp²

Question 10

Why is the $\mathrm { C } - \mathrm { H } \text { bond in ethene } \left( \mathrm { H } _ { 2 } \mathrm { C } = \mathrm { CH } _ { 2 } \right)$ shorter and stronger than the $\mathrm { C } - \mathrm { H }$ bond in ethane ($\left( \mathrm { CH } _ { 3 } \mathrm { CH } _ { 3 } \right)$

Accepted Answer

The length and strength of a <img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> bond depen...

Question 11

Which of the following compounds does not have a dipole moment of zero?

Accepted Answer

A)   CO2 
B)   CH4 
C)   CCl4
D)   H2O
E)   SO3

Question 12

Which carbons in the following compound are sp hybridized?

Accepted Answer

A)   carbon 1
B)   carbon 2
C)   carbons 1, 3
D)   carbons 4
E)   carbons 4, 5

Question 13

Which of the following Lewis structures is correct for  CH2 N2\mathrm { CH } _ { 2 } \mathrm {~N} _ { 2 }CH2​ N2​  ?

Accepted Answer

A)     : CH2−N=N:	ext { : } \mathrm { CH } _ { 2 } - \mathrm { N } = \mathrm { N } : : CH2​−N=N: 
B)  
C)  
D)  
E)

Question 14

How many nonbonding electron pairs, bonding electron pairs, pi bonds, and sigma bonds are present CO2?

Accepted Answer

4 nonbonding electro...

Question 15

Are all the carbons in this structure in the same plane?

Accepted Answer

A)   Yes
B)   No

Question 16

Which of the following compounds does not have a dipole moment of zero?

Accepted Answer

A)    CH3NH2
B)   CO2
C)   CH3OCH3
D)    (CH3) 2C=C(CH3) 2\left( \mathrm { CH } _ { 3 } \right)  _ { 2 } \mathrm { C } = \mathrm { C } \left( \mathrm { CH } _ { 3 } \right)  _ { 2 }(CH3​) 2​C=C(CH3​) 2​ 
E)   CHCl3

Question 17

What is the H-C-H bond angle in H2CO

Accepted Answer

A)   60°
B)   90°
C)   109.5°
D)   120°
E)   180°

Question 18

Draw the Kekul  structure o CH2Cl2 and show the direction of its dipole moment.

Accepted Answer

Question 19

Each lone pair on the CH3OH occupies a(n)  ________ orbital.

Accepted Answer

A)    s 
B)    p 
C)    sp 
D)   sp2
E)   sp3

Question 20

Draw the Lewis structure fo CH3N2+

Accepted Answer

Exam 1: Remembering General Chemistry: Electronic Structure and Bonding

Which of the following atoms is the least electronegative?

Correct AnswerverifiedShow Answer

Draw a 2p orbital.

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Expand the condensed structure shown below to show the covalent bonds and the lone-pair electrons. (CH3)2CHCH2CHO\left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCH } _ { 2 } \mathrm { CHO }(CH3​)2​CHCH2​CHO

Correct AnswerverifiedShow Answer

How many nonbonding pairs of electrons are H2NOH

Correct AnswerverifiedShow Answer

Which of the following compounds have bonds that are predominantly ionic?

Correct AnswerverifiedA

The lone-pair electrons of the methyl anion occupy a(n) ________ orbital.

Correct AnswerverifiedShow Answer

Draw the structure of a compound that contains only carbon and hydrogen atoms and that has two sp2 carbons and one sp carbon.

Correct AnswerverifiedShow Answer

What element is represented by the following electronic configuration? 1s22s22p51 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 5 }1s22s22p5

Correct AnswerverifiedShow Answer

What is the hybridizations of the carbons, going from left to right, in CH3CH=CHCl\mathrm { CH } _ { 3 } \mathrm { CH } = \mathrm { CHCl } CH3​CH=CHCl

Correct Answerverifiedsp3, sp2, sp2

Correct AnswerverifiedThe length and strength of a bond depen...View AnswerShow Answer

Which of the following compounds does not have a dipole moment of zero?

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Which carbons in the following compound are sp hybridized?

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Which of the following Lewis structures is correct for CH2 N2\mathrm { CH } _ { 2 } \mathrm {~N} _ { 2 }CH2​ N2​ ?

Correct AnswerverifiedShow Answer

How many nonbonding electron pairs, bonding electron pairs, pi bonds, and sigma bonds are present CO2?

Correct Answerverified4 nonbonding electro...View AnswerShow Answer

Are all the carbons in this structure in the same plane?

Correct AnswerverifiedShow Answer

Which of the following compounds does not have a dipole moment of zero?

Correct AnswerverifiedShow Answer

What is the H-C-H bond angle in H2CO

Correct AnswerverifiedShow Answer

Draw the Kekul structure o CH2Cl2 and show the direction of its dipole moment.

Correct Answerverified11eb4044_1e03_a066_ad6e_f9503501849a_TB1829_00

Each lone pair on the CH3OH occupies a(n) ________ orbital.

Correct AnswerverifiedShow Answer

Draw the Lewis structure fo CH3N2+

Correct AnswerverifiedShow Answer

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Expand the condensed structure shown below to show the covalent bonds and the lone-pair electrons. $\left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCH } _ { 2 } \mathrm { CHO }$

Correct Answer
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How many nonbonding pairs of electrons are H₂NOH

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A

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Draw the structure of a compound that contains only carbon and hydrogen atoms and that has two sp²carbons and one sp carbon.

Correct Answer
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What element is represented by the following electronic configuration? $1 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 5 }$

Correct Answer
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What is the hybridizations of the carbons, going from left to right, in $\mathrm { CH } _ { 3 } \mathrm { CH } = \mathrm { CHCl }$

Correct Answer
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sp³, sp², sp²

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The length and strength of a bond depen...
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Which of the following Lewis structures is correct for $\mathrm { CH } _ { 2 } \mathrm {~N} _ { 2 }$ ?

Correct Answer
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How many nonbonding electron pairs, bonding electron pairs, pi bonds, and sigma bonds are present CO₂?

Correct Answer
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4 nonbonding electro...
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What is the H-C-H bond angle in H₂CO

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Draw the Kekul structure o CH₂Cl₂ and show the direction of its dipole moment.

Correct Answer
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11eb4044_1e03_a066_ad6e_f9503501849a_TB1829_00

Each lone pair on the CH₃OH occupies a(n) ________ orbital.

Correct Answer
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Draw the Lewis structure fo CH₃N₂⁺

Correct Answer
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