In 1911 Ernest Rutherford Performed an Experiment Known as the "Gold

question 57

Essay

In 1911 Ernest Rutherford performed an experiment known as the "Gold Foil Experiment."
He fired a stream of positively charged alpha particles at a sheet of gold foil which was approximately 1000 atoms thick.Alpha particles have a mass of 4 amu and a charge of +2.
Almost all of the alpha particles passed straight through 1000 atoms of gold.A few particleswere deflected or even bounced back from the foil.Alpha particles are more than 7000 times more massive than electrons.What can you conclude regarding the structure of the atom from these observations?

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