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==Key Stage 4==
[[File:RaKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Radium]].]]
===Meaning===
[[Radium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 88 [[proton]]s in the [[Atomic Nucleus|nucleus]].
===About Radium===
:[[Radium]] was discovered by [[Marie Curie]].
====Molecular Structure====
: [[Radium]] has the [[Chemical Formula|chemical formula]] [[Radium|Ra]].
: [[Radium]] [[Chemical Reaction|reacts]] strongly with [[water]] to produce [[Hydrogen]] [[gas]] and [[Radium Hydroxide]] and strongly with [[acid]] to produce [[Radium]] [[salt]]s.
: [[Radium]] is a [[solid]] at [[STP|standard temperature and pressure]].
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Radium, page 110, GCSE Physics; Student Book, Collins, AQA '']