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Top Terms > Materials > Classes of materials > Chemicals > Chemical elements > Chemical elements by group and name > Group VI elements > Oxygen

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Oxygen (Rbcefhm)

Definition
A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust. (Source: wordnet.princeton.edu)
Broader Term
Group VI elements (Rbcefh)
Narrower Terms
Ozone (Rbcefhmn)
Related Terms (Hierarchical)
Selenium (Rbcefhr)
Sulfur (Rbcefhs)