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Study Topics for Exam 3

Study Topics for Exam 3. From Chapters 3 & 8. Chapter 8. VSEPR yields SHAPE SHAPE and  yield POLARITY POLARITY yields Molecular Interactions VALENCE BOND, perfect electron sharing HYBRID ORBITALS yield SHAPE sp sp 2 sp 3 dsp 3 d 2 sp 3  (twist) and  (rigid) BONDING.

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Study Topics for Exam 3

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  1. Study Topics for Exam 3 From Chapters 3 & 8

  2. Chapter 8 • VSEPR yields SHAPE • SHAPE and  yield POLARITY • POLARITY yields Molecular Interactions • VALENCE BOND, perfect electron sharing • HYBRID ORBITALS yield SHAPE • sp sp2 sp3 dsp3 d2sp3 •  (twist) and  (rigid) BONDING

  3. Chapter 8 continued • MOLECULAR ORBITALS • BONDING vs ANTIBONDING • BOND ORDER ½(#bonding e- - #antibonding e-) • STRENGTH and LENGTH • Electrons UNPAIRED yield MAGNETISM (e.g., O2) • DELOCALIZATION • METAL and SEMIMETAL BONDING • BANDS and BAND GAPS • DOPING

  4. Chapter 3 • STOICHIOMETRY • MOLES and MASSES (formula & molecular) • EMPIRICAL vs. MOLECULAR formulae • % COMPOSITION • Molar CONVERSION Factors • Weight-to-Weight CALCULATIONS • LIMITING REAGENT • % YIELD

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