What does selenide mean?

Definitions for selenide
ˈsɛl əˌnaɪd, -nɪdse·lenide

This dictionary definitions page includes all the possible meanings, example usage and translations of the word selenide.


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Wiktionary

  1. selenidenoun

    any compound in which selenium serves as an anion with an oxidation number of -2

  2. selenidenoun

    any organic compound of general formula RSeR (R not = H) analogous to the ethers

Wikipedia

  1. Selenide

    A selenide is a chemical compound containing a selenium anion with oxidation number of −2 (Se2−), much as sulfur does in a sulfide. The chemistry of the selenides and sulfides is similar. Similar to sulfide, in aqueous solution, the 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. Some selenides are reactive to oxidation by air. Owing to the greater reducing power of selenide, metal selenides are more easily decomposed to the elements than are sulfides (tellurides are even more labile). Selenides of electropositive metals: such as aluminium selenide readily hydrolyse, even in moist air, evolving toxic hydrogen selenide gas. Pure selenide minerals are rare, instead selenium tends to partially substitute for sulfide in many sulfide minerals. The degree of substitution is only of commercial interest for copper sulfide ores, in which case selenium is recovered as a by-product of copper refining. Some selenide minerals include ferroselite and umangite.

Webster Dictionary

  1. Selenidenoun

    a binary compound of selenium, or a compound regarded as binary; as, ethyl selenide

Wikidata

  1. Selenide

    A selenide is a chemical compound in which selenium serves as an anion with oxidation number of −2, much as sulfur does in a sulfide. The chemistry of the selenides and sulfides are similar. 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. Some selenides are reactive to oxidation by air. Owing to the greater reducing power of selenide, metal selenides are more easily decomposed to the elements than are sulfides. Selenides of electropositive metals: such as aluminium selenide readily hydrolyse, even in moist air, evolving toxic hydrogen selenide gas. Pure selenide minerals are rare, instead selenium tends to partially substitute for sulfide in many sulfide minerals, although the degree of substitution is only of commercial interest for copper sulfide ores. Selenium is thus recovered as a by-product of copper mining. Some selenide minerals include ferroselite and umangite.

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Numerology

  1. Chaldean Numerology

    The numerical value of selenide in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of selenide in Pythagorean Numerology is: 1

Popularity rank by frequency of use

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"selenide." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/selenide>.

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