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

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Selenium (Rbcefhr)

Definition
A toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metal-like allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite). (Source: wordnet.princeton.edu)
Broader Term
Group VI elements (Rbcefh)
Related Terms (Hierarchical)
Oxygen (Rbcefhm)
Sulfur (Rbcefhs)