Organic Chemistry, 5th Edition L.G. Wade. Jr Chapter 1 Introduction and review Jo blackburn Richland college, dallas TX Dallas County Community College District c 2003. Prentice hall
Chapter 1 Introduction and Review Organic Chemistry, 5th Edition L. G. Wade, Jr. Jo Blackburn Richland College, Dallas, TX Dallas County Community College District © 2003, Prentice Hall
Definitions ·Od:" derived from living organisms” New: chemistry of carbon compounds From inorganic to organic Wohler 1828 heat NH4 OCN hon-C-NH urea Chapter 1
Chapter 1 2 Definitions • Old: “derived from living organisms” • New: “chemistry of carbon compounds” • From inorganic to organic, Wöhler, 1828 heat NH4 + OCN - H2 N C NH2 O urea =>
Atomic structure protons, neutrons, and electrons isotopes C 14 C > Chapter 1
Chapter 1 3 Atomic Structure • protons, neutrons, and electrons • isotopes C 12 6 6 C 14 =>
Atomic orbitals electron distance from distance from the rom the density the nucleus nucleus nucleus plane 2s orbital(spherical) Chapter 1
Chapter 1 4 Atomic Orbitals 2s orbital (spherical) 2p orbital =>
Electronic Confiqurations Autbau principle Relative orbital energies Place electrons in 122个2p,-272 lowest energy orbital first 2s ·Hund' s rule energy Equal energy orbitals are half filled. then filled Chapter 1
Chapter 1 5 Electronic Configurations • Aufbau principle: Place electrons in lowest energy orbital first. • Hund’s rule: Equal energy orbitals are halffilled, then filled. =>