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==Key Stage 3==
===Meaning===
[[File:RadonSymbolRadonSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Radon]].]][[Radon]] is a [[radioactive]] [[Group 0]] [[element]] , on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 86.
===About Radon===
: [[Radon]] has the [[Chemical Formula|chemical formula]] [[Radon|Rn]].
: An [[atom]] of [[Radon]] has a full [[Outer Shell|outer shell]] so it is [[inert]].
==Key Stage 4==
[[File:RnKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Radon]].]]
===Meaning===
[[Radon]] is a [[radioactive]] [[Group 0]] [[element]] , on the [[Periodic Table]], with 86 [[proton]]s in the [[Atomic Nucleus|nucleus]].
===About Radon===
: [[Radon]] has the [[Chemical Formula|chemical formula]] [[Radon|Rn]].
: [[Radon]] is a [[gas]] at [[STP|standard temperature and pressure]].
: An [[atom]] of [[Radon]] has a full [[Outer Shell|outer shell]] so it is [[inert]].
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Radon gas, page 97, GCSE Physics, Hodder, AQA '']