(inorganic chemistry) M2Se A binary compound of divalent selenium, such as Ag2Se, silver selenide.
(organic chemistry) An organic compound containing divalent selenium, such as (C2H5)2Se, ethyl selenide.
Selenide
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(′sel·ə′nīd)
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A selenide is a chemical compound in which selenium serves as an anion with oxidation number of −2 (Se2−), much as sulfur does in a sulfide. The chemistry of the selenides parallels that of the sulfides.
Similar to sulfide, for an aqueous solution, selenide ion, Se2−, is prevalent only in very basic conditions. In neutral conditions, hydrogen selenide ion, HSe−, is most common. In acid conditions, hydrogen selenide, H2Se, is formed.
Selenide minerals are rare and include ferroselite and umangite.
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Mentioned in
- seleniuret
- diselenide
- eucairite (mineralogy)
- selenhydric
- seleniureted
- berzelianite (mineralogy)
- cadmium red (materials)
- cadmium selenide cell (electronics)
- clausthalite (mineralogy)
- guanajuatite (mineralogy)
- klockmannite (mineralogy)
- peuroseite (mineralogy)
- semiconducting compound (solid-state physics)
- tiemannite (mineralogy)
