Sites:
| ChemGlobe: Oxygen: Electronic, thermal, and steric data along with basic information. | | ChemicalElements.com: Oxygen: Basic information, atomic structure, and table of isotopes. | | EnvironmentalChemistry.com: Oxygen: Atomic structure, chemical and physical properties, and table of nuclides. | | Especiál Gas Inc.: Oxygen: Numeric data, uses, and general information. | | It's Elemental: Oxygen: Basic physical and historical information. | | LANL: Oxygen: History, sources, forms, compounds, and isotopes. | | Lenntech: Oxygen: Physical data, chemical properties, and health effects. | | Oxygen: Data tables and historic information. | | Visual Elements: Oxygen: Animation, uses, physical information, and key isotopes. | | WebElements: Oxygen: Extensive information on history, uses, occurrence, compounds, and properties of the element. | | Wikipedia: Oxygen: Properties of the element, including its history, applications, and characteristics. |
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