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1 January, 18:10

Describe Thomson's and Rutherford's key discoveries about the atom.

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  1. 1 January, 20:32
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    Thomson proposed the "plum pudding" model - randomly scattered positive charges and negative charges held in a sphere

    Rutherford disagreed with Thomson with his gold foil experiment - proposed that at the centre of an atom was a dense, positive mass and around it were very small negative charges called electrons
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