Molecular Geometry/Electron Geometry Flashcards
What is the difference between electron geometry and molecular geometry?
Electron geometry treats all electron domains as equal, molecular geometry only counts bonds.
What is the electron geometry of a molecule with 2 electron domains?
Linear
What are the angles of a linear molecule?
180
What is the electron geometry of a molecule with 3 electron domains?
Trigonal Planar.
What are the angles associated with a trigonal planar molecule?
120
What is the electron geometry of a molecule with 4 electron domains?
Tetrahedral.
What are the angles associated with a tetrahedral molecule?
109.5
What is the electron geometry of a molecule with 5 electron domains?
Trigonal Bipyramidal. (3 + 5)
What are the angles associated with a trigonal bipyramidal structure?
90 and 120
What is the electron geometry of a molecule with 6 electron domains?
Octahedral.
What are the angles associated with an octahedral molecule?
90
When you are adding lone pairs to a trigonal bipyramidal structure, where do you add them?
The equatorial axis.
What are the bond angles of a bent molecular structure?
104.5
What are the bond angles of a trigonal pyramidal molecular structure?
107
What are the bond angles of a square planar molecular structure?
90
What are the bond angles of a square pyramidal molecular structure?
90
What are the bond angles of a see-saw molecular structure?
180 ish and less than 90.
What are the bond angles of a t-shaped molecular structure?
Less than 90 and 180 ish.
What happens when a bond is created?
Energy is released
What must you have in order to break a bond?
Input of energy.
Which intermolecular force is the strongest?
Dipole-Dipole ; H-bond ; Dispersion
H-bond
What intermolecular force occurs in every interaction?
Dispersion (London)
What is a radical?
A molecule with an odd number of valence electrons.
What are the ranges associated with non-polar bonds, polar bonds, and ionic bonds?
0-.5 ; .5 > x > 2.0 ; 2.0+
