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Q1.
In the early 20th century, scientists developed an alpha particle scattering experiment using gold foil.
The diagram shows the paths of some of the alpha particles in the alpha particle scattering experiment.
Explain how the paths of the alpha particles were used to develop the nuclear model of the atom.
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Most alpha particles pass straight through the atom.
This shows that the atom is mostly empty space.
A few alpha particles are deflected through large angles.
This shows the atom has a small nucleus where the mass and charge are concentrated.
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