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Unformatted text preview: 100 Chemistry 1A F11 10.12.11 Dr. Shaka Course Code 40000 Wave/Particle Duality Macroscopic objects have extremely small wavelengths, much smaller than the nominal size of the particle; they are sharp and behave just like we expect them to do. However, the wavelength of an electron can be 10,000 times the diameter of a hydrogen atom; the electron slips around like a wave, going through both slits in the double slit experiment, diffracting off a crystal lattice, and generally being much more puzzling for a classical mind to understand. 101 Chemistry 1A F11 10.12.11 Dr. Shaka Course Code 40000 Atomic Orbitals Electrons in unperturbed atoms form standing waves that must fit into the space. These 3D standing waves are called orbitals . As orbitals are waves, parts of the orbital can be positive or negative, like any wave. The phase does not mean positive or negative charge, but just the algebraic sign of the wave. We can represent the phase with color. A standing wave will have nodes , that is, 101 Chemistry 1A F11 10.12.11 Dr. Shaka Course Code 40000 Atomic Orbitals Electrons in unperturbed atoms form standing waves that must fit into the space....
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This note was uploaded on 12/12/2011 for the course CHEM 1A taught by Professor Tobias during the Fall '01 term at UC Irvine.
- Fall '01