B-2 Lewis Structures and VSEPR Theory

Question 1

Identify the electronic (family) and molecular shape of the following:

Answer 1

Electronic (family) - Linear

Molecular - Linear

Question 2

Identify the electronic (family) and molecular shape of the following:

Answer 2

Electronic (family) - Trigonal Planar

Molecular - Trigonal Planar

Question 3

Identify the electronic (family) and molecular shape of the following:

Answer 3

Electronic (family) - Trigonal Planar

Molecular - bent 120

Question 4

Identify the electronic (family) and molecular shape of the following:

Answer 4

Electronic (family) - Tetrahedral

Molecular - Tetrahedral

Question 5

Identify the electronic (family) and molecular shape of the following:

Answer 5

Electronic (family) - Tetrahedral

Molecular - Pyramidal

Question 6

Identify the electronic (family) and molecular shape of the following:

Answer 6

Electronic (family) - Tetrahedral

Molecular - Bent

Question 7

Identify the electronic (family) and molecular shape of the following:

Answer 7

Electronic (family) - Triganal Bipyramidal

Molecular - Trigonal Bipyramidal

Question 8

Identify the electronic (family) and molecular shape of the following:

Answer 8

Electronic (family) - Triganal Bipyramidal

Molecular - See-saw

Question 9

Identify the electronic (family) and molecular shape of the following:

Answer 9

Electronic (family) - Triganal Bipyramidal

Molecular - T-shaped

Question 10

Identify the electronic (family) and molecular shape of the following:

Answer 10

Electronic (family) - Triganal Bipyramidal

Molecular - Linear

Question 11

Identify the electronic (family) and molecular shape of the following:

Answer 11

Electronic (family) - Octahedral

Molecular - Octahedral

Question 12

Identify the electronic (family) and molecular shape of the following:

Answer 12

Electronic (family) - Octahedral

Molecular - Square pyramid

Question 13

Identify the electronic (family) and molecular shape of the following:

Answer 13

Electronic (family) - Octahedral

Molecular - Square Planar

Question 14

Identify the electronic (family) and molecular shape of the following:

Answer 14

Electronic (family) - Octahedral

Molecular - T-shaped

Question 15

Identify the electronic (family) and molecular shape of the following:

Answer 15

Electronic (family) - Octahedral

Molecular - Linear

Question 16

What is(are) the bond angle(s) for the following molecular shape?

Linear

Answer 16

180º

Question 17

What is(are) the bond angle(s) for the following molecular shape?

Trigonal Planar

Answer 17

120º

Question 18

What is(are) the bond angle(s) for the following molecular shape?

Bent (from the Trigonal Planar family)

Answer 18

< 120º

Question 19

What is(are) the bond angle(s) for the following molecular shape?

Tetrahedral

Answer 19

109.5º

Question 20

What is(are) the bond angle(s) for the following molecular shape?

Pyramidal

Answer 20

< 109.5º (107º)

Question 21

What is(are) the bond angle(s) for the following molecular shape?

Bent (from the tetrahedral family)

Answer 21

< 109.5º (104.5º)

Question 22

What is(are) the bond angle(s) for the following molecular shape?

Trigonal Bipyramidal

Answer 22

90º, 180º, and 120º

Question 23

What is(are) the bond angle(s) for the following molecular shape?

See-Saw

Answer 23

90º, 180º, and 120º

Question 24

What is(are) the bond angle(s) for the following molecular shape?

T-shaped

Answer 24

90º and 180º

Question 25

What is(are) the bond angle(s) for the following molecular shape? Octahedral

Answer 25

90º and 180º

Question 26

What is(are) the bond angle(s) for the following molecular shape? Square Pyramidal

Answer 26

90º and 180º

Question 27

What is(are) the bond angle(s) for the following molecular shape? Square Planar

Answer 27

90º and 180º

Question 28

Which elements can form covelent structure with less than an octet?

Answer 28

H - 2 Be - 4 B - 6

Question 29

Which of the following atoms must obey the octet rule when forming molecules? B, N, Si

Answer 29

N

Question 30

Which of the following can have more than an octet of electrons during covalent bonding? B, N, Si

Answer 30

Si

Question 31

What is the formal charge of the central nitrogen in N₂O?

Answer 31

+1

Question 32

What is the formal charge of the end nitrogen in N₂O?

Answer 32

0

Question 33

What is the formal charge of the oxygen in N₂O?

Answer 33

-1