Entity: SELENIUM
Selenium is a photosensitive element that occurs in both crystalline and amorphous forms, used in glass, semiconductor devices, and alloys.
SELENIUM
Etymology
Selenium, derived from the Greek word 'selene' meaning 'Moon', was discovered in 1817 by Jöns Jacob Berzelius and Johan Gottlieb Gahn in Sweden.
Definition
Selenium is a nonmetallic element that resembles sulfur and tellurium, existing in various forms, including crystalline and amorphous. It is known for its photosensitive properties and is utilized in glass production, semiconductor devices, and alloys.
Historical Context
Discovered during the early 19th century, selenium has played a crucial role in technological advancements, particularly in the fields of electronics and photography. Its unique properties have made it a valuable element in various industries.
Cultural Significance
Selenium's significance extends to its use in photocells, photographic devices, and other applications where its photosensitive nature is advantageous. It has become an essential component in modern technology.
Related Concepts
Selenium is chemically related to sulfur and tellurium, sharing similar properties and applications. It is often used alongside these elements in various industrial processes.
See Also
A nonmetallic element chemically resembling sulfur and tellurium, occurring in several allotropic forms, with electrical resistance varying under light.