Molecular Geometry/Electron Geometry

Question 1

What is the difference between electron geometry and molecular geometry?

Answer 1

Electron geometry treats all electron domains as equal, molecular geometry only counts bonds.

Question 2

What is the electron geometry of a molecule with 2 electron domains?

Answer 2

Linear

Question 3

What are the angles of a linear molecule?

Answer 3

180

Question 4

What is the electron geometry of a molecule with 3 electron domains?

Answer 4

Trigonal Planar.

Question 5

What are the angles associated with a trigonal planar molecule?

Answer 5

120

Question 6

What is the electron geometry of a molecule with 4 electron domains?

Answer 6

Tetrahedral.

Question 7

What are the angles associated with a tetrahedral molecule?

Answer 7

109.5

Question 8

What is the electron geometry of a molecule with 5 electron domains?

Answer 8

Trigonal Bipyramidal. (3 + 5)

Question 9

What are the angles associated with a trigonal bipyramidal structure?

Answer 9

90 and 120

Question 10

What is the electron geometry of a molecule with 6 electron domains?

Answer 10

Octahedral.

Question 11

What are the angles associated with an octahedral molecule?

Answer 11

90

Question 12

When you are adding lone pairs to a trigonal bipyramidal structure, where do you add them?

Answer 12

The equatorial axis.

Question 13

What are the bond angles of a bent molecular structure?

Answer 13

104.5

Question 14

What are the bond angles of a trigonal pyramidal molecular structure?

Answer 14

107

Question 15

What are the bond angles of a square planar molecular structure?

Answer 15

90

Question 16

What are the bond angles of a square pyramidal molecular structure?

Answer 16

90

Question 17

What are the bond angles of a see-saw molecular structure?

Answer 17

180 ish and less than 90.

Question 18

What are the bond angles of a t-shaped molecular structure?

Answer 18

Less than 90 and 180 ish.

Question 19

What happens when a bond is created?

Answer 19

Energy is released

Question 20

What must you have in order to break a bond?

Answer 20

Input of energy.

Question 21

Which intermolecular force is the strongest?

Dipole-Dipole ; H-bond ; Dispersion

Answer 21

H-bond

Question 22

What intermolecular force occurs in every interaction?

Answer 22

Dispersion (London)

Question 23

What is a radical?

Answer 23

A molecule with an odd number of valence electrons.

Question 24

What are the ranges associated with non-polar bonds, polar bonds, and ionic bonds?

Answer 24

0-.5 ; .5 > x > 2.0 ; 2.0+