By Bombarding Atoms in a Thin Metal Sheet with Energetic

question 315

Multiple Choice

By bombarding atoms in a thin metal sheet with energetic particles,Rutherford found that most of the mass of an atom is concentrated inside a very small volume.What is the diameter of this "nucleus," as a fraction of that of the whole atom?

• A) 1/10⁶
• B) 1/10,000
• C) 1/100
• D) 1/2

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