'''Cyanide''' is an important [[polyatomic ion]] with [[chemical formula]] is CN<sup>-</sup>. It is highly [[toxic]], and has been used as a weapon in various murders and suicides.
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'''Cyanide''' is an important [[polyatomic ion]] with [[chemical formula]] is CN<sup>-</sup>. It is highly [[toxic]], and has been used as a [[weapon]] in various [[murder]]s and [[suicide]]s.