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==Key Stage 4==
[[File:LiKS4.png|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Lithium]].]]
[[File:Lithium2dWK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Lithium]]-7 [[isotope]] with 3 [[proton]]s and 4 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 3 2 [[electron]]s orbiting in the first [[Atomic NucleusElectron Orbital|nucleusshell]] and 1 in the [[Outer Shell|outer shell]].]]
===Meaning===
[[Lithium]] is a [[Group 1]] [[element]], on the [[Periodic Table]], with 3 [[proton]]s in the [[Atomic Nucleus|nucleus]].