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==Key Stage 3==
===Meaning===
[[File:ArsenicSymbolArsenicSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Arsenic]].]]
[[Arsenic]] is a [[Group 5]] [[metalloid]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 33.
: [[Arsenic]] is a shiny [[solid]] at [[STP|room temperature]].
==Key Stage 4==
[[File:AsKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Arsenic]].]]
===Meaning===
[[Arsenic]] is a [[Group 5]] [[metalloid]] [[element]], on the [[Periodic Table]], with 33 [[proton]]s in the [[Atomic Nucleus|nucleus]].
===About IodineArsenic===
: [[Arsenic]] has the [[Chemical Symbol|chemical symbol]] [[Arsenic|As]].
====Atomic Structure====