Oxygen Elements Chemistry Science

Oxygen was generally thought to be discovered in 1774 by Joseph Priestly, but was also independently identified by Scheele. It is the third most abundant element in the Sun and plays an important role in the carbon-nitrogen cycle in plants.

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• ChemicalElements.com: Oxygen - Features basic information, an atomic structure diagram, facts about oxygen chemistry and a table of isotopes.
• LANL: Oxygen - Details of the history, sources, forms, compounds, and oxygen isotopes of chemistry oxygen.
• Wikipedia: Oxygen - Article covering properties of the element, including its elements history, applications, chemistry and characteristics as well as safety elements precautions.
• WebElements: Oxygen - History, uses, occurrence, compounds, and properties. Features a elements picture of elements liquid oxygen and a sound file.
• Visual Elements: Oxygen - Explains the uses and physical properties of oxygen. oxygen Includes a oxygen visual representation and downloadable animation.

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