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: [[Iodine]] is a purple [[solid]] at [[STP|room temperature]].
==Key Stage 4==
[[File:IKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Iodine]].]]
===Meaning===
[[Iodine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with 53 [[proton]]s in the [[Atomic Nucleus|nucleus]].