Chemistry 11 Santa Monica College Name __________________________________ Date ________________________ Lab Partner______________________________ 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