Chemical description of electronic structure from atoms to the solid state; basic quantum chemistry, orbitals, band structure and density of states; electrical and optical properties; physical interactions from the atomic level to the solid state; reactions in liquid media, sol-gel processes; crystalline and non-crystalline solids (local defects, mesoscopic order, non-periodic structure); fundamentals of diffraction theory and application to amorphous materials. [Offered: F] Prereq: NE 121, 125; 2A Nanotechnology Engineering students only