Physics · Structure of Atom
Which of the following observations from Rutherford's gold foil experiment provided direct evidence for the existence of a dense, positively charged atomic nucleus?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A very small fraction of alpha particles rebounded (deflected by 180°).✓
- 2Most alpha particles passed through the foil undeflected.
- 3Electrons were found to revolve around the nucleus.
- 4The total mass of the atom is concentrated in the outer region.
Correct answer
A very small fraction of alpha particles rebounded (deflected by 180°).
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