University of Southern California
Atomic Bonds
This slide show on atomic bonds contains several slides on electron affinity. Other topics include covalent, Sigma and Pi bonds, and atomic bonding in solids.
Concord Consortium
Concord Consortium: Semiconductors
Semiconductors are the materials that make modern electronics work. Learn about the basic properties of intrinsic and extrinsic- or doped- semiconductors with several visualizations. Turn a silicon crystal into an insulator or a...