Selenium is a actinic aspect with attribute Se and diminutive amount 34. It is a nonmetal with backdrop that are average amid those of its alternate table column-adjacent chalcogen elements sulfur and tellurium. It rarely occurs in its basal accompaniment in nature, or as authentic ore compounds.
Selenium is a semiconductor and is acclimated in photocells. Selenium continues to be acclimated in a few types of DC ability billow protectors and one blazon of beaming breakthrough dot.
Selenium is begin in metal sulfide ores, breadth it partially replaces the sulfur. Commercially, selenium is produced as a byproduct in the adorning of these ores, a lot of generally during production.
more about: Selenium
from: Metal Powder
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