It's Elemental: Silicon - Basic physical and historical information. ChemicalElements.com: Silicon - Basic information, atomic structure, and table of isotopes. USGS Minerals Information: Silicon - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). Silicon Chemistry Primer - Review of silicon and silicone chemistry including properties and types of materials that can be made. EnvironmentalChemistry.com: Silicon - Atomic structure, chemical and physical properties, and table of nuclides. Wikipedia: Silicon - Properties of the element, including its history, applications, and characteristics. Radiochemistry of Silicon - Full text of the monograph by David R. Schink (Isotopes, a Teledyne Company, Palo Alto, California). ChemGlobe: Silicon - Electronic, thermal, and steric data along with basic information. WebElements: Silicon - Extensive information on history, uses, occurrence, compounds, and properties of the element.