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The scattering experiment
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The scattering experiment

Jan 11, 2016

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Page 1: The scattering experiment

The

scatteringexperiment

Page 2: The scattering experiment

The

scatteringexperiment

Page 3: The scattering experiment

The

scatteringexperiment

Page 4: The scattering experiment

The

scatteringexperiment

Page 5: The scattering experiment

The alpha particle scattering experiment using thin gold foil:

Page 6: The scattering experiment

The alpha particle scattering experiment using thin gold foil:

Page 7: The scattering experiment

The alpha particle scattering experiment using thin gold foil:

Page 8: The scattering experiment

The alpha particle scattering experiment using thin gold foil:

Page 9: The scattering experiment

The alpha particle scattering experiment using thin gold foil:

Page 10: The scattering experiment

Results from the experiment showed that there is a nucleus at the centre of every atom which is:

The alpha particle scattering experiment using thin gold foil:

Page 11: The scattering experiment
Page 12: The scattering experiment

QUESTIONS ON SCATTERING

Q1. What is the charge on an particle ?

Q2. Why should some particles be repelled away from a nucleus?

Q3. Why do most particles pass straight through the gold atoms un-deflected?

Q4. What has a plum pudding with currants and raisins got to do with early ideas of atoms?

Page 13: The scattering experiment

Q1. What is the charge on an particle ? POSITIVE + +

Q2. Why should some particles be repelled away from a nucleus? “LIKE CHARGES REPEL”

Q3. Why do most particles pass straight through the gold atoms undeflected? MOST OF AN ATOM IS EMPTY SPACE WITH A VERY SMALL DENSE NUCLEUS

Q4. What has a plum pudding with currents and raisins got to do with early ideas of atoms? EARLY SCIENTISTS THOUGHT THAT PROTONS, ELECTRONS & NEUTRONS WERE EVENLY SPREAD OUT IN THE ATOM !

QUESTIONS ON SCATTERING