Why Did Rutherford Propose a Model for the Atom with a Very

question 60

Multiple Choice

Why did Rutherford propose a model for the atom with a very small nucleus containing the bulk of the mass and a positive charge?

• A)because a beam of positively charged particles (alpha particles)were partially reflected by a thin gold foil
• B)because a beam of positively charged particles (alpha particles)were able to penetrate by a thin gold foil
• C)because a beam of negatively charged particles (beta particles)were partially reflected by a thin gold foil
• D)because a beam of negatively charged particles (beta particles)were able to penetrate a thin gold foil
• E)because a beam of positively charged particles (alpha particles)were completely reflected by a thin gold foil

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