Physics Atomic and Nuclear Physics Rutherford's Alpha Scattering and Atomic Model MCQ (Single Correct)

In Rutherford's famous gold foil scattering experiment, he found that most alpha particles would pass through the foil undeflected. Which one of the following nuclear properties can be inferred from this observation?

A
The nucleus must have a positive charge
B
Most of the mass of an atom is in the nucleus
C
The nucleus contains both protons and neutrons
D
The diameter of the nucleus is small compared to the diameter of the atom

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The correct answer is:
D

While Rutherford's experiment did show most of these but looking at the single fact given, it only means that most of the atom was empty space and the nucleus must be small.

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