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===About Hydroxide Ions===
: When a [[base|basic]] [[compound]] [[dissolve]]s in [[water]] it forms '''Hydroxide ions'''.
: '''Hydroxides''' in [[solution]] are [[alkali]]s.
: '''Hydroxide ions''' are responsible for the [[corrosive]] [[property|properties]] of [[alkali]]s.
: '''Hydroxide''' has gained an [[electron]]s to have a relative [[Electrical Charge|charge]] of -1.
: '''Hydroxide''' forms [[Ionic Bond|ionic bond]]s with [[Positive Ion|positive ions]].
: '''Hydroxides''' are [[Ionic Compound|ionic compounds]].
===Examples===
[[Ammonia]] also [[Chemical Reaction|reacts]] with [[water]] to produce '''Hydroxide ions''':
: NH<sub>3</sub>O(aq) + H<sub>2</sub>O(l) ⇌ NH<sub>4</sub><sup>+</sup>(aq)+OH<sup>-</sup>(aq)
====Edexcel====
:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Hydroxide ions, page 43, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Hydroxide ions, pages 118, 120, GCSE Chemistry, CGP, Edexcel '']
====OCR====
:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Hydroxide ions, page 112, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']
:[https://www.amazon.co.uk/gp/product/1782945679/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945679&linkCode=as2&tag=nrjc-21&linkId=a2db42f7b4bdf10cafaafa3bb9120940 ''Hydroxide ions, page 43, Gateway GCSE Chemistry; The Revision Guide, CGP, OCR '']