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===About the Nucleus===
: The '''nucleus''' was discovered by [[Ernest Rutherford|Rutherford]] in his [[Rutherford's Alpha Scattering Experiment|alpha scattering experiment]].
: The [[Atomic Nucleus|nucleus]] has a [[diameter]] of around 1.75x10<sup>-15</sup>m (1.75 [[femtometre]]s) to 15x10<sup>-15</sup>m (15 [[femotmetrefemtometre]]s) while the [[atom]] ranges in size from a [[diameter]] of around 1x10<sup>-10</sup>m (0.1 [[nanometre]]s) to 5x10<sup>-10</sup>m (0.5 [[nanometre]]s). This means the '''nucleus''' is 100,000 times smaller than the [[atom]].