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→Atomic Structure
: An [[atom]] of [[Chlorine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]].
: '''Chloride''' [[ion]]s gain 1 [[electron]] to get a full [[Outer Shell|outer shell]] and become [[Negative Charged|negatively charged]].
{| class="wikitable"
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|[[File:ChlorineIonFormation.png|center|400px]]
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| style="height:20px; width:200px; text-align:center;" |A [[diagram]] showing the formation of a '''Chloride''' [[ion]].
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====Properties====
: [[Chlorine]] is a more [[Reactivity|reactive]] [[Halogen]] than [[Bromine]] but less [[Reactivity|reactive]] than [[Fluorine]].