Arsenide
Arsenide is an ion. Its chemical formula is As3-. Most arsenides have arsenic in its -3 oxidation state. Ionic arsenides are very basic and are strong reducing agents. Most arsenides are more metallic, like zinc arsenide. Arsenides react with acids to make arsine gas.
Arsenide Media
Nickel arsenide is a common impurity in ores of nickel. It is also a prototype of a class of structures.
Structure of [As7]3− subunit in the Zintl phase Cs2NaAs7.
