lect03 - • Resonance • Please submit conflict exam...

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CH 310M/318M – TTh 8am – Lecture 3 – Tu 1/30/2007 Reading Assignment : We’ll finish reviewing the material in Ch. 1 on Thursday… Textbook Problems : 1.27, 1.37, 1.38, 1.39, 1.48 through 1.54, 1.60 through 1.65, 1.69, 1.70 Graded Homework : HW#02 has been posted. Deadline = 3:00 p.m. Thursday, 2/1 HW#03 has been posted. Deadline = 3:00 p.m. Monday, 2/5 Last Time : Review of concepts from general chemistry (continued…) Lewis structures (continued…) TA discussion sessions have started. One will be held this afternoon from 5:00 to 6:30 p.m. in ESB 115 Today : Review of concepts from general chemistry (continued…) VSEPR theory and molecular geometry
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Unformatted text preview: • Resonance • Please submit conflict exam requests & SSD accommodation letters this week!! (Deadline = 5:00 p.m. on Friday, 2/2) Predicting Molecular Geometry (VSEPR Theory) 3-Dimensional shapes of molecules are extremely important in organic chemistry. In biological systems, the function of a molecule is often determined by its shape. VSEPR stands for V alence S hell E lectron P air R epulsion Like charges repel – for this reason, the electron groups around an atom will arrange themselves to be as far apart from one another in space as possible. You should know the preferred geometrical arrangements for 2, 3, and 4 groups of electrons around an atom....
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lect03 - • Resonance • Please submit conflict exam...

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