Question 1

Which of the following is the electronic configuration of the element Fe?

Accepted Answer

A)    1s22s22p63s23p64s23d61 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 } 3 s ^ { 2 } 3 p ^ { 6 } 4 s ^ { 2 } 3 d ^61s22s22p63s23p64s23d6 
B)    1s22s22p63s23p83d61 s ^ { 2 } 2 s^2 2p^6 3 s ^ { 2 } 3 p^8 3d ^61s22s22p63s23p83d6 
C)    1s22s22p83s23p64s23d61 s ^ { 2 } 2s^22p^83s^23p^64s^23d^61s22s22p83s23p64s23d6 
D)    1s22s22p63s23p64s24d61 s ^ { 2 } 2 s^22p^63s^23p^64s^24d^61s22s22p63s23p64s24d6 
E)    1s22s22p63s23p64s24p61 s ^ { 2 } 2 s^22 p^63 s^23 p^64 s^24 p^61s22s22p63s23p64s24p6

Question 2

Which of the following statements correctly describes the third shell that surrounds the nucleus of an atom?

Accepted Answer

A)   The third shell contains only s and p atomic orbitals.
B)   The maximum number of electrons that can occupy the third shell is 18.
C)   The total number of atomic orbitals present in the third shell is 16.
D)   The third shell can contain f orbitals.
E)   All third shell elements must have d electrons.

Question 3

What is the formal charge on the nitrogen in the ammonium ion?

Accepted Answer

A)    -2 
B)    -1 
C)   0
D)    +1 
E)    +2

Question 4

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

Accepted Answer

A)   Yes
B)   No

Question 5

Which of the following compounds has the weakest bond?

Accepted Answer

A)   H2
B)   HF
C)   HCl
D)   HBr
E)   HI

Question 6

How many carbon-carbon sigma bonds are in the following compound?

Accepted Answer

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

Question 7

What is the hybridization of the carbon H2CO

Accepted Answer

A)   sp
B)   sp2
C)   sp3
D)   sp4
E)   s3p

Question 8

Which of the following compounds has the smallest dipole moment?

Accepted Answer

A)   Br2
B)   NH3 
C)   HCl
D)   HBr
E)   HI

Question 9

The formal charge on nitrogen in the following compound is ________.

Accepted Answer

A)   +2
B)   +1
C)   0
D)   -1
E)   -2

Question 10

Of the hydrogen halides, the strongest bond is found in ________ and the longest bond is found in ________.

Accepted Answer

A)   HF; HF
B)   HF; HI
C)   HI; HF
D)   HI; HI
E)   HCl; HBr

Question 11

Using the symbols δ+  and  δ- , show the direction of the polarity in the  O-H bond.

Accepted Answer

The answer of Using the symbols δ+  and ...

Question 12

The carbon-carbon double bond in ethene is ________ and ________ than the carbon-carbon triple bond in ethyne.

Accepted Answer

A)   stronger; shorter
B)   stronger; longer
C)   weaker; shorter
D)   weaker; longer
E)   stronger; more polar

Question 13

What is the  C−N−N\mathrm { C } - \mathrm { N } - \mathrm { N }C−N−N  bond angle in the following compound?

Accepted Answer

A)   ~60°
B)   ~90°
C)   ~110°
D)   ~120°
E)   ~ 180°

Question 14

How many sp2 carbons are present in H2C=C=CH2

Accepted Answer

A)   0
B)   1
C)   1.5
D)   2
E)   3

Question 15

Which of the following covalent bonds has the largest dipole moment?

Accepted Answer

A)   C-C
B)   C-H
C)   C-O
D)   H-N
E)   H-F

Question 16

The compound CH3NH2, contains a C-N  bond. Which of the following best describes the charge on the nitrogen atom in this compound?

Accepted Answer

A)    +1+ 1+1 
B)   slightly positive
C)   uncharged
D)   slightly negative
E)    −1- 1−1

Question 17

Which of the following contains polar covalent bonds?

Accepted Answer

A)   NH3
B)   Na2O
C)   H2
D)   KF
E)   both A and C

Question 18

What is the hybridization of the nitrogen in 
(CH3)3N

Accepted Answer

Question 19

What two factors determine the size of a bond's dipole moment?

Accepted Answer

The size of the char...

Question 20

What orbitals overlap to form the H-C  bond in CH3+?

Accepted Answer

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

Exam 1: Remembering General Chemistry: Electronic Structure and Bonding

Using the symbols δ+ and δ- , show the direction of the polarity in the O-H bond.

Correct AnswerverifiedShow Answer

How many carbon-carbon sigma bonds are in the following compound?

Correct AnswerverifiedShow Answer

How many sp2 carbons are present in H2C=C=CH2

Correct AnswerverifiedShow Answer

Which of the following statements correctly describes the third shell that surrounds the nucleus of an atom?

Correct AnswerverifiedShow Answer

Which of the following is the electronic configuration of the element Fe?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the formal charge on the nitrogen in the ammonium ion?

Correct AnswerverifiedShow Answer

Which of the following compounds has the smallest dipole moment?

Correct AnswerverifiedShow Answer

What is the hybridization of the carbon H2CO

Correct AnswerverifiedShow Answer

Which of the following covalent bonds has the largest dipole moment?

Correct AnswerverifiedShow Answer

The formal charge on nitrogen in the following compound is ________.

Correct AnswerverifiedShow Answer

What is the C−N−N\mathrm { C } - \mathrm { N } - \mathrm { N }C−N−N bond angle in the following compound?

Correct AnswerverifiedShow Answer

Of the hydrogen halides, the strongest bond is found in ________ and the longest bond is found in ________.

Correct AnswerverifiedShow Answer

The carbon-carbon double bond in ethene is ________ and ________ than the carbon-carbon triple bond in ethyne.

Correct AnswerverifiedShow Answer

Which of the following contains polar covalent bonds?

Correct AnswerverifiedShow Answer

What is the hybridization of the nitrogen in (CH3)3N

Correct AnswerverifiedShow Answer

Which of the following compounds has the weakest bond?

Correct AnswerverifiedShow Answer

What two factors determine the size of a bond's dipole moment?

Correct AnswerverifiedThe size of the char...View AnswerShow Answer

What orbitals overlap to form the H-C bond in CH3+?

Correct AnswerverifiedShow Answer

The compound CH3NH2, contains a C-N bond. Which of the following best describes the charge on the nitrogen atom in this compound?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

How many sp² carbons are present in H₂C=C=CH₂

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the hybridization of the carbon H₂CO

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the $\mathrm { C } - \mathrm { N } - \mathrm { N }$ bond angle in the following compound? $What is the \mathrm { C } - \mathrm { N } - \mathrm { N } bond angle in the following compound? A) ~60° B) ~90° C) ~110° D) ~120° E) ~ 180°$

Correct Answer
verified

Of the hydrogen halides, the strongest bond is found in and the longest bond is found in .

Correct Answer
verified

The carbon-carbon double bond in ethene is and than the carbon-carbon triple bond in ethyne.

Correct Answer
verified

Correct Answer
verified

What is the hybridization of the nitrogen in (CH₃)₃N

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The size of the char...
View Answer

What orbitals overlap to form the H-C bond in CH₃⁺?

Correct Answer
verified

The compound CH₃NH₂, contains a C-N bond. Which of the following best describes the charge on the nitrogen atom in this compound?

Correct Answer
verified