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The [[Binding Energy Per Nucleon|binding energy per nucleon]] is the average [[Work Done|work done ]] per [[nucleon ]] to separate a [[Atomic Nucleus|nucleus]] into its constituent parts.

*Calculated as the total binding energy of the [[Atomic Nucleus|nucleus]] divided by the [[mass number]].*Highest for [[Atomic Nucleus|nuclei]] with a [[Mass Number|massnumber]] number around 56 (iron).*Indicates how tightly nucleons [[nucleon]]s are held together in the [[Atomic Nucleus|nucleus]].*Affects the [[energy ]] released in [[Nuclear Reaction|nuclear reactions]].

*[[Iron-56 ]] has the highest [[Binding Energy Per Nucleon|binding energy per nucleon]], making it the most stable [[Atomic Nucleus|nucleus]].*[[Uranium-235 ]] has lower [[Binding Energy Per Nucleon|binding energy per nucleon]], making it suitable for [[Nuclear Fission|fission]].