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: [[Iridium]] is [[ductile]].
==Key Stage 4==
[[File:IrKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Iridium]].]]
===Meaning===
[[Iridium]] is a [[Transition Metal|transition metal]] [[element]], on the [[Periodic Table]], with 77 [[proton]]s in the [[Atomic Nucleus|nucleus]].