Rutherford's Gold Foil Experiment and Results Are Given in the Following

question 116

Multiple Choice

Rutherford's gold foil experiment and results are given in the following figure (Rutherford's Gold Foil Experiment: Rutherford directed alpha particles at a thin sheet of gold foil.Most of the particles passed through the foil,but a small fraction was deflected,and a few even bounced backward. ) (Figure 2.6,page 51;Tro P3e) .
Which of the following statements best explains the experimental results?

• A)Positively and negatively charged particles are uniformly distributed in the atom.
• B)Most of the atom's mass and all of its negative charge are contained in a small core.
• C)Most of the atom's mass and all of its positive charge are contained in a small core.
• D)All of the atom's mass and all of its positive and negative charges are contained in a small core.

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