any member of a class of chemical compounds containing one or more groups of atoms of the element sulfur linked together by covalent bonds. In ... [1 related articles]
Found on http://www.britannica.com/eb/a-z/p/91


Polysulfides are a class of chemical compounds containing chains of sulfur atoms. There are two main classes of polysulfides: anions and organic polysulfides. Anions have the general formula Sn2−. These anions are the conjugate bases of the hydrogen polysulfides H2Sn. Organic polysulfides generally have the formulae RSnR, where R = alkyl or aryl...
Found on http://en.wikipedia.org/wiki/Polysulfide
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