Chemistry 11
Santa Monica College
Name __________________________________
Date ________________________
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Lab Section___________________
Lab Report for VSEPR Theory and Shapes of Molecules
HCN
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
CH3OH
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 1 of 10
Chemistry 11
Santa Monica College
SeF6
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
NO22. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 2 of 10
Chemistry 11
Santa Monica College
AsF5
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
XeF2
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 3 of 10
Chemistry 11
Santa Monica College
TeF52. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
H2CO
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 4 of 10
Chemistry 11
Santa Monica College
SF4
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
XeF4
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 5 of 10
Chemistry 11
Santa Monica College
PO432. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
BrF3
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 6 of 10
Chemistry 11
Santa Monica College
NH3
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
CH3NH2
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 7 of 10
Chemistry 11
Santa Monica College
Molecule:
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
Molecule:
2. Perspective drawing
1. Lewis Structure
3. Number of atoms bonded to
4. Number of non-bonding
central atom
electron pairs on the central atom
6. Molecular geometry with ideal
7. Hybridization of central atom
5. Electronic geometry:
8. Polarity:
bond angles
VSEPR Theory and Shapes of Molecules
Page 8 of 10
Chemistry 11
Santa Monica College
Questions:
1. For each one of the molecules with lone pairs of electrons on the central atom that is non
polar, give an explanation why they have no dipole moment.
2. Find all molecules (or ions) with resonance structures and draw them in the box below:
1.
2.
3.
VSEPR Theory and Shapes of Molecules
Page 9 of 10
Chemistry 11
Santa Monica College
Summary of Types of shapes
Areas of electron density
Number atoms
bonded to cenral
atom (σ-bonds)
Number of
lone pairs
2
0
3
0
2
1
4
0
3
1
2
2
5
0
4
1
3
2
2
3
6
0
5
1
4
2
Areas of
electron density
Electronic
geometry
VSEPR Theory and Shapes of Molecules
Molecular
geometry
Example of
species
Polarity
of the
example
Page 10 of 10