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The '''Geiger–Marsden experiment''' was an experiment, that was carried out by [[Ernest Rutherford]] and his assistants [[Hans Geiger]] and [[Ernest Marsden]] at the [[University of Manchester]] between 1908 and 1913. A beam of [[Radioactivity#Alpha Decay|alpha particles]] (from the newly-discovered element [[Radium]]) was shot at a thin [[gold]] foil.<ref>http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_gateway/periodic_table/atomstrucrev6.shtml</ref>
The '''Geiger–Marsden experiment''' was an experiment, that was carried out by [[Ernest Rutherford]] and his assistants [[Hans Geiger]] and [[Ernest Marsden]] at the [[University of Manchester]] between 1908 and 1913. A beam of [[Radioactivity#Alpha Decay|alpha particles]] (from the newly discovered element [[Radium]]) was shot at a thin [[gold]] foil.<ref>http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_gateway/periodic_table/atomstrucrev6.shtml</ref>
The scientists made three observations:
The scientists made three observations: