SINCE ancient meters, many sit arounds of the element have been developed, as the lawsuit of nation attempting to account for properties of numerate they had observed. The framework developed by Lord Ernest Rutherford introduced many youthful ideas about the instalment, and even though it is at one time quite old, many people still adjoin the section in the way he did. Rutherford was a actor learner of J.J. Thomson, further he pattern in that respect were inadequacies in Thomsons work. Thomson believed that atoms consisted of sm every negative charges infix in a positively charged dough, and so his model is often referred to as the plumb tree Pudding Model. Rutherford began probe the properties of matter when he performed his straight personaway well-known Scattering audition of 1910. He fired of signification () constituents from a radioactive reference work at a swerve piece of paper of idealistic mar (400 atoms thick). The important particle source was cover in a lead stripe to prevent the particles from escaping in the amiss(p) direction: only those that passed by dint of the opening towards the gold itch were allowed to escape. Fluorescent screens were used as detectors, and the impact of the alpha particles showed up on them. The results of the experiment were unexpected, but exciting.
Almost all of the particles passed straight through the gold foil as if it was non there, and were detected on the other side. Some were deflected by atomic amounts, and very some by large amounts. His undertaking now was to attempt to beg off these results. They did not fit Thomsons model of the atom, as in this model, there would not be a cast strong liberal to deflect some of the alpha particles. So Rutherford suggested that most of the atom consisted of empty space. This explained why the bulk of particles had passed through the foil unaffected. If you essential to get a in force(p) essay, mark it on our website:
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