Chemistry 2070 Prelim 2 Review Handout

Chemistry 2070 Prelim 2 Review Handout - CHEM2070 Exam #2...

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CHEM2070 Exam #2 Review Teaching Assistants: Dean Cooley- Sunday, November 8. 4:30-6 Megan Sikowitz- Wednesday, November 11. 7:30-9 Topics for review: Chemical Bonding (Chapter 10) Ionic, covalent and polar covalent bonds. Lewis structures – the octet rule, assigning formal charge, exceptions to the octet rule (For the second period elements: molecules do not necessarily have to complete an octet; period 3 and higher molecules can expand their octet, e.g. SF 6 ). For period 3 or higher atoms, minimize formal charge at the expense of expanding the octet, Period 1 and 2 atoms cannot expand an octet. Resonance Forms of a given molecule and their implication for bond length/strength Molecular shape and geometry, electron groups, VSEPR, relative repulsion of lone pairs and bond pairs. Calculating bond order from a Lewis structure and its relationship to bond strength, and bond length. Polarity, dipole moment and shape. Valence Bond Theory and Molecular Orbital Theory (Chapter 11)
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Chemistry 2070 Prelim 2 Review Handout - CHEM2070 Exam #2...

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