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The projectiles used in the scattering experiment were:
AAlpha particles
BAmber particles
CArgon particles
DAtomic particles
Answer & Solution
Correct answer: A. Alpha particles
1. The source sat behind a lead plate.
2. The gold foil was bombarded with alpha particles.
3. So the correct answer is alpha particles.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_
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