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==Key Stage 3==
===Meaning===
[[File:NeptuniumSymbolNeptuniumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Neptunium]].]]
[[Neptunium]] is a [[Actinide]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 93.
: [[Neptunium]] is [[ductile]].
==Key Stage 4==
[[File:NpKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Neptunium]].]]
===Meaning===
[[Neptunium]] is a [[Actinide]] [[metal]] [[element]], on the [[Periodic Table]], with 93 [[proton]]s in the [[Atomic Nucleus|nucleus]].