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==Key Stage 3==
===Meaning===
[[File:PromethiumSymbolPromethiumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Promethium]].]]
[[Promethium]] is a [[Lanthanide]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 61.
===About Promethium===
====Molecular Structure====
: [[Promethium]] has the [[Chemical Symbol|chemical symbol]] [[Promethium|NdPm]].
: [[Promethium]] [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]].
====Atomic Structure====
: [[Promethium]] is [[ductile]].
==Key Stage 4==
[[File:PmKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Promethium]].]]
===Meaning===
[[Promethium]] is a [[Lanthanide]] [[metal]] [[element]], on the [[Periodic Table]], with 61 [[proton]]s in the [[Atomic Nucleus|nucleus]].
===About IodinePromethium===
====Molecular Structure====
: [[Promethium]] has the [[Chemical Formula|chemical formula]] [[Promethium|NdPm]].
: [[Promethium]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]].
====Atomic Structure====