Physics for IGCSE & O level - Atoms And Radioactivity (Section 5 - No. 4)
In Rutherford's experiment, most of the alpha particles went straight through the gold foil. What did this suggest?
The atom is mostly empty space.
The atom is a solid sphere.
The alpha particles were not charged.
The gold atoms had very small nuclei.
Explanation
The alpha particles went straight through because most of the atom is empty space.
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