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==Key Stage 4==
[[File:NaKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Sodium]].]]
[[File:Sodium2dWK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Sodium]]-23 [[isotope]] with 11 [[proton]]s and 12 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 11 2 [[electron]]s orbiting in the first [[Atomic NucleusElectron Orbital|nucleusshell]], 8 in the second and 1 in the [[Outer Shell|outer shell]].]]
===Meaning===
[[Sodium]] is a [[Group 1]] [[element]], on the [[Periodic Table]], with 11 [[proton]]s in the [[Atomic Nucleus|nucleus]].