Rutherford model of an atom
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The Rutherford model, also known as planetary model is a model which tried to describe an atom devised by Ernest Rutherford. Rutherford directed the famous Geiger–Marsden experiment in 1909 which suggested, upon Rutherford's 1911 analysis, that J. J. Thomson's plum pudding model of the atom was incorrect.
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Rutherford's model of an atom:-
✒ In 1911 , Rutherford and his co-workers Carried out a series of experiments using α (alpha ) - particles .
✒He bombarded thin foils of metal like gold ,silver etc with beam of fast moving α (alpha ) - particles .The source of α (alpha ) - particles was radioactive substance, placed in a block of lead . Whenever α (alpha ) - particles strikes with foil it was detected with the help of circular zinc sulphide screen and a flash of light is given out.
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