Question Detail

CHM 101 CHM 101 Past Questions Objective Question
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Question

In Rutherford's gold foil experiment, what observation led to the conclusion that atoms contain a small, dense nucleus?
Options
A Most particles passed straight through the foil.
B A small fraction of particles were deflected at large angles.
Correct Answer
C All particles were absorbed by the foil.
D Particles emitted light upon hitting the foil.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The large-angle deflections of a small number of alpha particles indicated the presence of a small, dense, positively charged nucleus that repelled the positively charged alpha particles.

Hint

What kind of obstacle would cause a massive, fast-moving particle to bounce back?

Question Info

Course: CHM 101
Topic: CHM 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1392 of 1872
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