Nonmetals

WebElements: Platinum WebElements: Platinum- Extensive information on history, uses, occurrence, compounds, and properties. Radiochemistry of Platinum Radiochemistry of Platinum- Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). Wikipedia: Platinum Wikipedia: Platinum- Properties of the element, including its history, applications, and characteristics. Lenntech: Platinum Lenntech: Platinum- Physical data, chemical properties, health and environmental effects. EnvironmentalChemistry.com: Platinum EnvironmentalChemistry.com: Platinum- Atomic structure, chemical and physical properties, and table of nuclides. ChemicalElements.com: Platinum ChemicalElements.com: Platinum- Basic information, atomic structure, and isotopes. It's Elemental: Platinum It's Elemental: Platinum- Basic physical and historical information.