Selenide
Selenide
Receiver (football)
<catset>Category="Anions"</catset>The <b>selenide</b> <a href="Ion">Ion</a> is Se<sup>2-</sup>.<p>A <b>selenide</b> is a chemical compound in which <a href="Selenium">Selenium</a> serves as a <a href="Ion">anion</a> with <a href="Oxidation number">Oxidation number</a> of -2, much as <a href="Sulfur">Sulfur</a> does in a <a href="Sulfide">Sulfide</a>.<h2 style="margin: 0; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom: 1px solid #aaaaaa; font-size: 150%;">Examples</h2><ul><li> <a href="Hydrogen selenide">Hydrogen selenide</a>, H<sub>2</sub>Se <li> sodium selenide, Na<sub>2</sub>Se </ul><p>See <a href="@ Selenides">category</a> for a list.<h2 style="margin: 0; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom: 1px solid #aaaaaa; font-size: 150%;">Discussion</h2>The chemistry of the selenides parallels that of the sulfides.<p>Similar to sulfide, for an <a href="Water">aqueous solution</a>, selenide ion, Se<sup>2-</sup>, is prevalent only in very basic conditions. In neutral conditions, <b>hydrogen selenide</b> <a href="Ion">Ion</a>, HSe<sup>-</sup>, is most common. In acid conditions, hydrogen selenide, H<sub>2</sub>Se, is formed.