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apr 8, 1911 - (Ernest Rutherford's Atomic Theory) Ernest used gold foil and alpha particles emitted from a radioactive element to discover his theory that the atom has a tiny and heavy nucleus.

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Ernest used gold foil and alpha particles emitted from a radioactive element to discover his theory that the atom has a tiny and heavy nucleus.

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Date:

apr 8, 1911
Now
~ 114 years ago