It's Elemental: Titanium - Basic physical and historical information. ChemicalElements.com: Titanium - Basic information, atomic structure, and isotopes. USGS Minerals Information: Titanium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). EnvironmentalChemistry.com: Titanium - Atomic structure, chemical and physical properties, and table of nuclides. Wikipedia: Titanium - Properties of the element, including its history, applications, and characteristics. Radiochemistry of Titanium - Full text of the monograph by Vincent J. Landis (San Diego State University, San Diego, California). WebElements: Titanium - Extensive information on history, uses, occurrence, compounds, and properties of the element.