Anion: Difference between revisions

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+#REDIRECT [[Ion#Anions and cations]]
-An '''anion''' is an [[ion]] with a negative [[valence]] ([[negative charge]]).
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-When naming [[compounds]], the anion is always named last and the [[cation]] first. A [[monatomic anion]] is named by taking the first part of the element name and adding ''-ide''.  For example, the anion of the element [[nitrogen]], N<sup>3−</sup>, is called [[nitride]].
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-[[Nonmetal]]s are more likely to form anions because they have a tendency to gain [[electrons]].
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-==Examples==
-* [[hydride]] ion, H<sup>−</sup>
-* [[oxide]] ion, O<sup>2−</sup>
-* [[chloride]] ion, Cl<sup>−</sup>
-See [[:Category:Anions|category]] for a longer list.
-Also see [[oxyanion]].
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