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Rutherford’s Gold Foil Experiment
Rutherford was remembered as a fun outgoing guy, so as part of hazing his interns, he had them set up way more detecting screens than was needed. But, after conducting the expierement he made a shocking dicovery that the extra detecting screen were needed, and that a few alpha particles had been deflected nearly directly back. This was shocking because he found that there was a dense center called a nucleus.
Rutherford thought that the positivly charged Alpha particles would be able to pass threw with only a few deflecting at small angles, because the electrons were scattered and soft, just like plum pudding.
To prove his theory Rutherford desided to try and shoot alpha particles from the radioactive decay of radium. through gold foil. He used gold foil becaouse it was the easiest matterial to flatten out as thin as an atom.
Rutherford wanted to prove that his theory that atoms were made up of randomly dispersed electrons was true.